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Fix My Hog !

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bulletISBN-10: 978-0916367-75-6 
bulletISBN-13: 978-0916367-75-6
bullet TITLE: How to Change the Oil in Your Twin-Cam Harley Davidson Motorcycle
bullet AUTHOR: James Russell
bullet EDITION: First
bulletPHOTOS: Over 80 photographs
bullet PAPERBACK 5.5x8.5 FORMAT PAGES: 141



  A new type of motorcycle repair manual.  A beginners highly-detailed guide on how to change the three oil compartments on the Harley-Davidson Twin Cam motorcycle which includes the current model years. But there is more to this book.  Cleaning or replacing the air filter and spark plugs with very important engine advice and implementing the authors perpetual oil change procedure to extensively increase engine longevity.  An increase of five horsepower is also given along with engine longevity increase.

  This book can also be used, with minor procedural adjustments, to change the oil on Dyna, Electraglide, Softail, Sportster, Buell and all other early and late models of Harley Davidson V-twin engines including the Milwaukee-Eight, except the V-rod.

  This book has been written specifically for the beginning mechanic who needs to learn how to change the oil in modern V-Twin Harley-Davidson motorcycles. 141 pages of detailed step-by-step instructions with 80 photographs make it very easy to learn.  $34.95.  Book pays for itself many times over!

AUTHOR COMMENTS: There are many riders who would like to learn how to service their Harley-Davidson motorcycle to perform the usual routine maintenance of changing the oil, oil filter, spark plugs and the air cleaner elements, but they do not know how or what steps to take.  Don't worry, with this book you don't even have to buy an expensive full set of tools or a motorcycle lift. 

  We do everything with just a few ordinary tools you may already have and the entire job is performed while the bike is leaning on its side stand so there no danger of the bike falling over.  You will be surprised how quick and easy it is to do and how little mess is made.  You can change the oil in your garage, outside on your driveway or even when you attend a distant motorcycle rally. 

  This book shows you everything you need to know to get the job done right. You can save a lot of time and money by doing it yourself.  You will also learn methods to increase the horsepower of your motor simply by following the instructions given that will also increase engine life.  The book is written as if a motorcycle mechanic was standing over your shoulder showing and telling what to do.  It just can't get any easier than that! 

  Yes, even a girl can do it and they certainly do!  Buy and read this book and you will not be disappointed!

PUBLISHER COMMENTS: A large service manual will lightly explain the maintenance and repair issues of the entire motorcycle, but not with great detail the beginner student desperately needs.  How to Change the Oil On Your Twin Cam Harley-Davidson Motorcycle is highly focused to the specific task at hand giving precise text and detailed photographic instructions no service manual can reveal.  It is the most detailed published book you can buy that is specifically written for the novice or experienced rider who wants to take the next step in servicing the motorcycle. 

  The book assumes you have never performed the procedures before and takes you by the hand with detailed text and photos revealing the location of items on the engine, the specific hand tools and parts you will need.  Nothing is left out.  All is explained.  Using the right oil and additives can make for a cooler running engine, increase horsepower and engine longevity, smoother shifting, better clutch action and transmissions that click right into neutral and much longer lasting cam chain tensioner shoes, cams, pistons and crankshaft. 

  If you want to save time and money then this is the book for you!  This book can be used to develop a new skill to change the oil on Harley-Davidson motorcycles and can even launch you into an entry-level position as a motorcycle mechanic at many dealers and repair shops.  This learned skill can give you a part or full-time income. 


  Yes, you can find snippets of free information on the Internet on how to change the oil on your motorcycle, but they only quickly skim over the procedure leaving out very important details.  Example:  If you remove the oil drain plug on the twin-cam Harley-Davidson transmission you will not be able to replace the oil drain plug.  You will be stuck with a motorcycle in your garage with no oil in it.  Our book shows you why the oil drain plug will not go back in and we tell you what tool to use to put it back in.  The book explains why you need to prime the oil filter and absolutely give you precise step-by-step instructions so you do not apply side-torque to steel bolts that will strip soft aluminum metal.  If you strip the spark plug or the drain plugs it can cost you thousands of dollars in repairs! 

And there are serious problems with those free Internet instructions you can find on Websites.  Many of them do not show you how to perform the oil change properly, use inferior or improper oils and use risky procedures that can cause real expensive damage to the engine and kill engine longevity.  And, the motorcycle could fall down and not only ruin the bike, it can fall down on you!  I also see improper tools and procedures being used in these instructions and they leave out very important "safety" information all experienced mechanics know about, but they don't know, so they don't warn you of the hazards.  Our book explains in detail the safety procedures you need to know.  And the motorcycle will never start up on you by surprise or fall down or slip and slide in oil, etc.  This is why we wrote the book... because too many people don't know how to do it and those that do, do it wrong destroying their engine! 

You are getting absolute training, not just being told a procedure.  You get the precise training that motorcycle mechanics receive in motorcycle technical schools to do the job the right way.  And this training will help and guide you when you advance to tackle major repairs in the future.  You will be very glad you read this book!  Also, the book is right beside you while you do the job, telling you what to do.  And the book tells you what not do to, so you don't run into trouble.  Even the tools required are all displayed in advance for you to go purchase so you don't have to go buy expensive complete tool kits.  You likely already have the tools in your tool chest.  Just read the testimonials and see how this book will save you money over your entire lifetime.  Stop paying hundreds of dollars on oil changes!  Use higher quality oils and parts!  Increase engine life!  Get more Power!  We'll show you how.  Buy the book today.  You'll be glad you did!


Read your book on (How to Change the Oil on Your Twin Cam Motorcycle).  Have to admit I didn't know how easy it was!  Been paying big bucks to dealers to perform these tasks and now I do it myself.  It's EASY and kind of fun knowing the job it done right and no hassles taking it to the dealer and waiting a few days until they get to it.  Book comes complete with pictures that makes the job that much easier.  Also, tips on spark plugs and additives and much more.  GREAT BOOK!!!!!  - Jay Mc Cauley, Laughlin, NV



  The money spent on this book will be recouped after your first oil change. If you've never changed the oil on your twin cam engine before, read this book. There are little details that the owner's manual won't tell you. I always wanted to do more routine maintenance on my bike but I was intimidated by the thought of making a mistake on my $18,000 Heritage Softail. Think of it as Oil Changing for Dummies - with tips and advice even a seasoned do-it-yourselfer can benefit from. Learn how to change your transmission and primary case as well. The book covers much more than just changing your oil, but even if that's all it covered it would still be worth the money. It's a perfect companion to the owner's manual - Robert Sommer - Chicago, IL




  I came across Jim Russell's book, How to Change the Oil on Your Twin Cam Motorcycle.  I purchased the book and it was more than worth its price.  Although it helped that I have an extensive knowledge in auto mechanics from years of owning muscle cars and a good set of tools, Jim's book had a great deal of neat tips for any level mechanic.  I changed all three fluids, plugs, oil and air filter in under two hours including clean up!  Cost for six quarts of synthetic oil, two spark plugs, air filter, chrome oil filter, oil filter wrench, o-rings and one gasket came to $126. Buy this book, read, then re-read it; then go save yourself about $350!!! - J. Garden


You Can't Trust the Dealers

  I have had your book for 2 years now and usually change the oil myself.  My bike was in for service about 1400 miles ago and since then I have had hard or missed shifts.  I was thinking of taking it back in to have it looked at.  I drained the transmission oil and only got 1 1/2 cups of oil out, not enough!  I put in 3/4 quart oil and checked it was now right on.  My bike shifts smooth now.  You cannot trust the dealers to change your oil so I'll always do it myself now.  I and my friends also like the perpetual oil changes too mentioned in your book. -  Dennis Vallier

  Note: Dealers can sabotage your transmission and primary chain system without you knowing it.  The above is an example which is common and shameful. For the love of money drives repair shops to create premature engine failures.  Some dealers even give incentive commissions for major engine repairs.  This leads to dishonesty to create engine failures.  Also, read our free helpful article Auto Repair Scams - Don't Be A Victim

"If you want it done right, do it yourself!"



4 Stars More than just how to change the oil on your Harley
I liked this book, period. Well worth the investment for learning insider tips on not only how to change your oil on the big twin Harleys, but all sorts of good stuff about owning a motorcycle in general. Being new to a Harley I appreciated the advice of a seasoned Harley rider as the author has been putting on many cycle miles for many years. Although the book is not a shop manual it has little known tips that a shop manual would never tell you. I know I am saving big bucks by doing what service I can to my own bike and this book along with a shop manual got me where I need to be! An easy read and the author makes it interesting and fun!

3 Stars Useful Information

Considering the cost of service work this book is worth picking up. Most factory repair manuals are generic in nature and don’t demonstrate the fine details to carry out some maintenance tasks as this book does. I appreciate all tips and tricks I can get from anyone who has done the task before. I admire the authors desire to share what he knows and help others enjoy maintaining their bikes. My recommendation for the next printing issue is to condense the material as much as possible. The current edition is repetitive in many places and this is distracting to the reader. I found myself rereading the material to make sure I didn’t miss something. I do know I will refer to my copy the first few time I do general maintenance on my HD.

5 Stars Some of Us Need Help
This book is great for those of us who have always been intimidated by the idea of removing the drain plug, letting the oil run out, cleaning the drain plug, putting it back in, getting it tight enough but not so tight as to strip anything (I can’t even imagine the knowledge and experience that would require), and adding new oil (how much?!! how do you tell??!!)

When I am at Starbucks getting a mocha cinnamon latte and some other bikers come in, it seems to me that the guy with the grease on his hands always has the best looking “biker chick.” My hope is that I will, with the aid of this excellent book, be able to be one of those guys.

This fine book explains technical terms like shop rag, crush washer, and torque (I always thought torque was an Italian pastry) so clearly that even a guy like me can understand.

5 Stars The Harley Owners Bible
This book has changed my life. No longer will I have to fork over $100 or more to my HD dealer again. I can now change my own oil !!! This book is so amazing that I’m buying it for Christmas for all my two wheeled friends. It is a step by step instruction written in simple terms with amazing pictures to guide you. Please do yourself a favor , if you own a Harley BUY THIS BOOK !!! I have dreamed of someday being just like the Tuttles and building my own super cool choppers. Well just as the books description says , reading and understanding this book is the first step to becoming a motorcycle mechanic. And I will. This book has given me the confidence to go for it. God bless the author and God bless the publisher. They have made my dreams come true.



Fix My Hog


  1. I do not have a Harley Davidson Twin-Cam engine.  Can I still  use this book? Yes, with a few minor modifications you can still use the book to help you change the oil, spark plugs, air filter, etc.  Let's say you have an old knuckle or pan-head engine you would just need to locate the three oil drain plugs, know the amount of oil each compartment requires, and use maybe different size socket and Allen wrenches.  The basic procedure is still just about identical to the more modern Twin-Cam engine.  This applies to S&S and other V-twin engines, including the Milwaukee-Eight engine too!  The M-8 107 uses 5.2 quarts engine oil and the M-8 117 uses 5 quarts.  Check your owner manual for oil capacity and location of oil drains and wrench size (5/8" or 3/4") used to remove the oil drain bolts.  Sportsters use an oil drain plug that is removed by loosening a hose clamp to drain engine oil and a 5/8" wrench or socket to drain the transmission and primary chain case (one drain plug drains both compartments).

  2. sHow easy will it be for me?  I have few mechanical skills.  You will have no trouble at all.  Everything is shown in great detail, step-by-step instructions and photographs, with precise instructions.  It is written for the person who has never changed the oil, oil filter, spark plugs and air filter.   A girl can do it.

  3. How will this book will save me money?  It is expensive to have your oil changed at dealerships.  You can easily save over $300 each year just in oil changing, but you will also save $ thousands $ of dollars in engine repairs as we show you how to get extended life, higher performance and better miles per gallon from your stock engine.  Have you ever heard of cases where somebody gets their oil changed, they drive away and the engine fails?  It happens!  Mistakes are made and engines get ruined by these mistakes.  Often, novice assistants are used to change oil in the bikes while the knowledgeable mechanics do the technical jobs and that's how disasters happen.  When you change your own oil you will do it right, know it is done right and you will have peace of mind and won't have your ride ruined due to mechanical failure, delays, etc.  Saving money is also a good reason to do it yourself.   

  4. I live in a RV park and they do not allow oil changing on the property?  You can use the perpetual oil change method that will save you a ton of money.  This method simply vacuums a portion of the oil out on a weekly basis and this will get around those pesky rules and restrictions.  We show you how to do it and it won't make any mess whatsoever.  Plus, the procedures we use to drain and add oil makes it so easy to do it is unlikely you will spill any oil to contaminate the soil or pavement surfaces.  You can even perform the maintenance tasks on the side of the road off the RV park premises or in any vacant lot.

  5. Will the motorcycle fall down on me?  No.  We do not lift the motorcycle up into the air.  The bike will always be on the side-stand with both wheels firmly on the ground.  You will only need to sit on the bike for about ten seconds to make it level to fully drain the oil.  As long as you operate your side stand normally the bike will not fall down.  The book's procedure even gives you advice on how to avoid cut and scrapes on fingers and hands.  Safety is not overlooked in this book.  Nobody wants accidents to happen.  The oil change procedures do not pose the motorcycle into any position that would be deemed dangerous or unusual.

  6. How much money will I save doing it myself  First, you will save the $34.95 you paid for the book on the very first or second oil change, so this book is an investment.  It will save you a lot of money.  Just calculate how much it costs you to change the oil by paying somebody else to do it.  Then just subtract your cost of oil and that which is left over is how much money you will save on each oil change!  If it cost you $80 and the oil only costs $20 then you will save $60 on each oil change.

  7. After learning I can actually make money with this book?  Yes.  Once we teach you the skill you can use your newly learned skill to change the oil on other bikes.  Even dealers and other repair shops will hire you when they need help during the busy season!

  8. How much will it cost me to buy tools  Not much.  We only show you the tools you need to buy to get the job done.  You do not need to go out and buy a full chest of tools.  The tools  you need will likely only cost you less than $50.  After that the tools pay for themselves after every oil change you do for the rest of your life.  For less than $100 ($50 for tools and $35 for the book = $75) you will certainly benefit much more money than this small investment requires.  It really is a great deal.  You buy the tools at discount stores, Sears or at your Harley Davidson dealer.

  9. Why should I buy this book when a service or owners manual will show me how to do the job?  No they won't.  If you try to follow the directions in the service manual you will run into trouble right away as it is not written for a beginner.  The owner manual is basic, but again you will run into trouble as not enough instructions and photographs are given.  And, you will have trouble when you strip the drain bolts and destroy your engine cases.  Our book explains all the warnings and shows you the "tricks of the trade" mechanics use to avoid serious troubles that can arise.  The book we publish really does go into every tiny detail.  When you are finished reading and following the instructions in the book you will certainly be a professional.  No kidding.  You will know in advance all of the techniques and technical knowledge to prevent troubles from happening from the get go and you will get the job done right the first time, and every time!

  10. Will this book work for the new Harley Davidson 96 and 110 cubic inch engines?  Yes, it will.  The new larger displacement twin-cam engines has not changed from the 88 cubic inch engine in regards to oil change, spark plugs, air filter, oil filter, primary and transmission case oil drains, etc.  This book is good for all twin-cam engines!  Some Harley Davidson models may have the oil fill in a different area, but it will not be hard to locate.

  11. Can any bookstore order this book?  Yes, just give them the ISBN-10 and ISBN-13 numbers listed below the book cover image on this page.

  12. Where do I find the oil fill on the Dyna and FLH touring models?  In the book you will see a photograph of the oil fill cover.  It is chrome and it has a large Allen head and looks just like the one in the book.  Instead of the fill being located near the engine's rear cylinder it is located just about 12 inches on the left; on the back-side of the transmission case.

  13. What changes have been made to the newer Harley's?  Not much.  The oil drain on the primary case is now just like the one you will find on the engine and transmission cases.  This is better than the Allen screw they used to use.  Just remove and install this new bolt just like we explain in our book regarding the engine transmission oil.  Now all three cases have the same size bolt and o-ring.  Some Dyna and Touring models will use a 3/4" bolt as an oil drain.  Minor differences.                

  14. Do you have an e-book version of this book?  Yes, click here.  This e-book can be printed out one time, so if you are in a big hurry and want the book right now you can have it in just a few minutes.

  15. Harley's owner manual does not mention to check oil with the bike level.  Yes it can be true a owner manual leaves out the fact the bike should be level when checking the oil.  I will explain.  The bike must be level, as the motorcycle is operating in a normally up-right position, not leaning as it travels down the road as it would be if you check the oil with the bike on the side stand.  The bike must be level to obtain the proper oil level in the oil tank, transmission and primary case.  In my book, I make sure this oil change is performed properly and accurately with nothing left to chance that could damage the engine.  If you check the oil in the primary case while it is on the side stand it will give you a false positive reading and you will be running low on oil.  Get the bike level and upright, then check the oil levels.  My book explains a proper procedure to use.

  16. Harley-Davidson never mentions to prime the oil filter.  Why?   It is common practice in the industry; motorcycles and cars and diesel engines the oil filter must be primed with oil when installing.  By priming, adding oil to a dry filter before installation, the oil is absorbed by the dry filter media and there will be no stopping of the oil flow to the engine when first started after draining the oil from oil tank, especially on a Harley-Davidson, as the oil first travels through the oil filter from the oil pump before it reaches the engine.  It means if you don't prime the filter your engine will run dry and it will damage your engine and lower its life span in a major way.  Valve guides, cams and their chains, pistons and rings, crankshaft journal and main bearings all will run dry.  This will scrape metal away viciously and truly damages the engine.  All competent Harley-Davidson mechanics know this and they will prime the oil filter at each oil change.  Some novices won't and some untrustworthy mechanics intentionally don't so as to damage the engine little-by-little to get it to fail in a major way so you can bring it in to them for major repair. It's a tough and unfair world out there.  These things do happen in the real world.  In my book I make sure the oil filter is primed so when you start the bike you will see the oil light go out right away with no delay (instant pressurization of the engine components with fresh clean oil).  You won't hear the valve lifters "rapping" and you will not hear any "growling" noises from partial seizing of engine parts due to no oil flow.  Be aware, if you do not prime the filter the engine will run dry of oil on startup and you will hear awful noises grinding your engine to pieces!  No kidding.  Your V-twin engine will last many thousands of miles longer and you will avoid the expense of paying major engine repairs just from using this one procedure alone from my book!

  17. The new 2007 Harley's have a fool-proof dip stick.  This is welcome news about the new dip sticks, but there still are millions of older Softails out there that can still goof up when checking the oil levels

  18. Why did you write this book?  So you can save a lot of money on dealer service and maintenance fees and to prevent premature engine destruction from improper oil changing, etc.  When you do it yourself, you know its done right!  There are a lot of riders who do not know how to change the oils, spark plugs and air cleaner on their Harley-Davidson motorcycles.  The owner manual does not "teach you how" to do the job.  It just quickly assumes you already know how and give you some  very basic tips.  Manufacturers must support their dealer network and so will always recommend  you go to a dealer for service.  But often you will find the novice or parts-counter people will do the oil and tire changes while the mechanics do the technical jobs.  Mistakes happen and I have seen Harley's return with damaged motors due to improper oil changing.  I will also tell you that the dealer will not admit it was their mistake!  You will likely be stuck with a monstrous bill if you do not have a warrantee and event the warrantee could be denied under certain conditions.  I believe every rider needs to learn how to change the oil and perform the basic routine maintenance on their motorcycle.  It will help you so much and keep you a satisfied rider knowing your machine is serviced by a professional... you!

  19. I want to earn part-time income.  Will this book help me?  Yes it will.  Motorcycle dealers are always looking for people who can perform the oil and tire changes while their mechanics can be free to perform the technical jobs, especially during motorcycle rallies.  You can also start your own small business just performing oil changes.  This book will be a great tool to get you started right away, like the same day you get the book.  That's how fast you can begin making money!  Also check our links pages for motorcycle industry jobs.

  20. How does the money back guarantee work?  If you don't save money immediately after using the book just contact us to return it.  Tell us specifically why you did not like it and we will refund your purchase price (not postage or shipping/handling fees).  You must return the book in resalable condition so that means no bent pages or dented cover and no oil stains on the pages or cover.  Sometimes you can just return the book from where you bought it for a refund, but each retailer has their own policies.  We want you to be happy with our book.  We don't expect you will return the book.  We have great faith and confidence in the power of this book to educate you and make you money year after year!  That is why we offer a money-back guarantee!   The money-back guarantee does not apply to e-books, just the printed version, due to digital rights management and copyright issues. If you want the guarantee please buy the print version of the book.

  21. Which Harley's Can Use This Book?: All Harley-Davidson motorcycles that use the Twin-Cam engine, Big Twin and Evolution engines.  This includes the following models: Dyna Fat and Street Bob, Low Rider and the Dyna Super Glide.  Including, Electra Glide, Street Glide, Road Glide, All Softail models including the Road King, Fat Boy, Rocker and the Screaming Eagle high performance engine versions.  You can even use it to change the oil on the Sportster's along with your owner manual.  Of course, you can use this book with the V-Rod, but you will need to use the V-Rod owner manual as your guide to locate the oil fill and oil drain plugs, oil and air filter and spark plug sizes.   

  22. Publisher Note: We have quoted a couple Bible verses in the first page of the book that relates to riding motorcycles, but we have the wrong verse number listed, "He made him ride on the high places of the earth..." should be Deut.32.13.  Also, "For ye shall go out with joy and be led forth with peace: the mountains and the hills shall bread forth before you into singing and all the trees shall clap their hands." should be Isaiah 55:12.  The message is correct, just the verse numbers were in error.  We thank Mike and Pam Miller for the correction.

  23. We I have a 2002 Road King Classic.  Your photo shows using a battery filler bulb with 6” stem.  Please explain how you did this because that will not reach the oil supply.  Easy!  In your case you simply need to purchase a 1/4" rubber or plastic hose and insert it into the nozzle of the battery filler bulb.  This will give you the added reach.  Wrap some duct tape or electrical tape around the hose joint so it will not pop off and squeeze the bulb gently when removing the oil from the bulb. 

  24. I never heard of perpetual oil changes before and my Harley-Davidson mechanic has not either.  How come? We always keep learning.   The moment we think we know it all, somebody or something comes along and teaches us anew.  Perpetual oil changes are not new, except in the motorcycle industry, and most repair shops are not going to tell you about it because, well... their business will suffer!  Heavy industry uses perpetual oil changing religiously.  Some auto and truck repair shops are now changing oil with a "vacuum" hose to remove the oil out of engines.  I see auto parts stores are already selling oil evacuation pumps.   But when you think of it, perpetual oil changes makes perfect sense as the oil never becomes dirty.  It is always clean.  Exactly what an engine needs!  Just start using the method and you'll see the benefits.  Yes, you can buy an oil evacuation system, but the old battery squeeze bulb works just fine.

  25. I just bought your book to change the oil on your twin cam Harley-Davidson Motorcycle.  Great book, but I have a question.  It's not clear where you put the oil in the primary case.  Does it go into the inspection plate hole and do we reuse the gasket in the inspection plate? - Robert Roznik  Thank you, Robert.  I am glad you like the book.  You may have missed few pages, but the book describes how to change the oil in the primary case, see the Change The Chain Case Oil Chapter.  Add the oil through the inspection plate port.  You don't have to replace the gasket, just reuse it until it wears out, cracks or splits in two and it can no longer hold oil.  You can, if you want, install a new gasket at each oil change or at each third oil change is fine too.  There is no oil pressure in the chain case so leaking oil will only be a small seep, not even a drip if and when the gasket fails and it can be fixed anywhere with a torx screwdriver.  The new Harley's 2008 and later models now have automatic primary chain adjusters, so they have no inspection plate.  You will need to remove that large round "Derby Cover" and add the oil there.  You must, absolutely replace the Derby Cover O-ring with a new one each time.  Heat bakes the rubber O-ring and makes it very difficult to reuse it as it won't fit back into the slotted groove in the Derby Cover.  Other than that it is all so very easy to do.

  26. I have my oil changed at a Harley-Davidson dealer.  Does this mean I am getting Harley-Davidson oil?   No, you may be getting an inferior brand of oil.  Remember, it is to a dealer or repair shop's complete advantage to service your motorcycle with cheaper grade lubricants so that the engine wears out quickly and so they can obtain costly and profitable overhaul work, at your expense!   Have you noticed most repair shops have no windows or are covered so customers can't observe?  There is a reason for this.  There is a lot of corruption going on in many vehicle repair shops.  I have witnessed mechanics pump cheap oil from an oil drum with a label of a brand name oil on that drum .  It is pure thievery and very easy to do.  I have even seen this happen with small quart jugs of oil filled with inferior high paraffin wax content oil.  When the mechanic pours in the oil and you see it, guess who is being fooled?  Just because it says on your oil change bill you paid for Harley-Davidson oil does not mean you actually got that oil.  This is why learning to do your own oil changes is so important.  Now you can buy the best oil and know for a fact it's running in your bike.  You'll save money on oil change bills and expensive premature repair bills.

  27. I was told to check the oil level when the engine is cold.  I am confused.   On Harley-Davidson air-cooled engines the engine oil must be checked only when hot, not warm, not cold, but at actual operating temperature.  Why?  Because there are two little problems with the engine especially the Twin-Cam motors with elevated oil tanks.  1) The gears of the oil pump wear out at 3,000 miles just enough to allow oil to drain back down into the crankcase by gravity when the engine is stopped.  2) the oil seal between the cam plate and crankcase leaks oil back down into the crankcase when the engine is stopped.   Other Harley motors have check valves that leak and will do the same thing.  So, when you check the oil level in the oil tank when the engine is cold it may show "low oil" and you may accidently add oil overfilling the engine with lubricant which is not good which can easily break pistons, rods and crankshaft.  To check the oil, start the engine and ride then when you stop after the engine is hot, check the oil level right after you stop the engine.  This will give you the most accurate reading for a Harley-Davidson.  If the oil is low, it is now safe to add oil to the oil tank.

  28.  I was surprised to discover after buying this book the title is deceptive.  This book absolutely covers much more than only changing the oil.  It is way more valuable than this.  The book started as a simple oil change instructional manual for beginners and it soon led to changing the spark plugs, oil filter, air filter, primary case, transmission and engine oil.  I also had to include valuable information on how to gain more horsepower and fuel mileage with increased engine longevity tips.  I wanted to give the reader a nice book full of value for their money.

  29.  How often should I change the oil on my Harley?   The general rule for most Harley engine, transmission and primary chain case is each 2,500 miles.  However, the newer engines now only require oil changes each 5,000 miles.  But, as a new engine gains miles the engine oil may getting discolored with impurities so at that point where you see the engine oil getting a darker color than new oil you should change the oil at that time.  Observe the color change of the oil on your motorcycle.  If you use the perpetual oil change method you will never have dirty oil no matter how old your engine may be.

  30. Should I change to a different grade of oil in cold weather?   Generally, no.  If you follow your owner's manual suggestions and they suggest you reduce the oil viscosity then go ahead.  Most riders simply just let the engine warm up and drive off slowly to let the oil churn to warm up in the transmission and primary chain case then ride away.  Unless you are in Alaska with -20 degree temperatures then that is a different story.  But who would ride a two wheel machine in those cruel icy conditions?  If you do, then use full synthetic oil in the engine, transmission and primary chain case.

  31. Should I use synthetic oil in my Harley?   You do not need to, but most everyone is to get that added protection.  The synthetic blend oils are getting the nod over the full-synthetic grade oils.  Why?  The blend, which you can blend your own engine oil by mixing 50% mineral and 50% synthetic oil cost less and protects the engine superbly.  Full synthetic is not needed to protect your engine.  However, use full-synthetic for the transmission and primary chain case.  Both of these areas only requires 1 quart each of oil so why skimp?

  32. When I change the oil I am not getting all of the oil out of the engine.  What am I doing wrong?   You may be doing nothing wrong.  If your owner or service manual tells you the engine takes for example 2.5 quarts of oil and you drain the oil only to discover 2 quarts are only being drained in your oil drain pan is normal.  The engine at the factory when new is totally dry and fresh oil is added and the engine is run and more oil is added as the initial charge of oil is absorbed in engine case cavities and galleries.  Not all of the oil is drained out of the engine when you change the oil.  I know, the old oil is dirty but there is no way to purge the old oil out completely by performing an engine oil and oil filter change.  Don't even worry about it.  But make sure you remove the dip stick from the engine as this will help the oil to drain and drain the oil when the engine is warm and much of the oil will be expanded by the heat and will drain quickly.

  33. I was told I could drain the engine and transmission and primary case oil when cold.  Why?   You can drain the oils when cold or when hot.  Generally, a warm engine is best as the oil is expanded and flows fast to obtain a better drain and hot oil holds more contaminates in the oil.  Cold oil will tend to drop out of solution grit and grime to the bottom of the cases and may not be drained thoroughly.  But you can drain the oils when cold if you wish.  It is not illegal and it will not harm your engine or void warranty or anything like that.  When changing hot oil wear a rubber glove on your hand so the hot oil will not burn your hand.  A warm engine is safer than a hot engine as the oil or exhaust pipes won't burn your skin.

  34. My dealer told me if I change my own oil I could void the warranty.  How can this be true?   It isn't true.  You are being victimized by a greedy, money-hungry dealer who wants to pick your pockets.  Don't fall for it.  Even the Harley-Davidson owner manual says the rider can change the oil without a dealer's authorization and without penalty or forfeiture of warranty.   Problem is, it is a bit tricky to do on your own if you don't know how to do it.  But when you do it once, you will never have to pay again to have your Harley's oil changed.  You'll be free at last.   

  35. Do you publish a book on how to change tires on motorcycles, especially Harley-Davidson?  Yes, the book is available see the image and link below. The book absolutely covers Harley-Davidson motorcycles.  And yes, all street, sport, racing and cruiser motorcycles are covered in great detail.  This is a large book giving you incredible inside knowledge "tricks of the trade" and... you can change out even those big giant 250+ size tires.  It is written for the novice so if you never tried this before the book will show you how to do it.  When you finish the book you will know more than many tire service technicians who change tires daily at dealerships!  You are going to like this tire change book and it will save you serious money.  It will also get you employed at dealerships to change tires for them!  Or, start your own motorcycle tire change business!


How to Install Tires on Motorcycles

  1. I installed the oil filter but it leaks oil.  What did I do wrong and what must I do next?   The oil filter may not be leaking if you see oil drips.  In most cases it is just residual oil spilled on the motorcycle frame during the oil change that collects and weeps mimicking an oil leak.  Park the bike overnight with a white rag or cloth under it and see if the drip ceases or not.  It is rare for an oil filter to leak as long as you applied a smear of oil to the rubber gasket and tightened the filter sufficiently.  But if you find a severe leak that sprays oil?  The dealer could have sold you the wrong size/design filter.  This happens more than you think.  Also, the filter can be defective.  I have seen bad threads to bent thread plates in brand new filters that will leak oil.  The odds are you are not at fault and the problem is the oil filter itself causing your oil drip, leak or spraying oil.  A filter will leak if you forget to remove the rubber o-ring from the old filter.  It can be stuck to the engine case and when you put on the new filter you now have two stacked o-rings and it will leak badly.  Remove the old o-ring and things will be fine.   

  2. What about Sportster models?   The book is for Twin Cam engines (big-twin) but we do have a supplemental sheet we ship with the book (if purchased from the publisher) that reveals Sportster oil change information.  With the supplement you can then read the book and change the oil on your Sportster.  In a future update of the book the Sportster will be included.

  3. This book only covers 1980's Twin Cam models?   The book covers all Twin Cam models right up to today's model year.

  4. I did not see a 5/8" oil drain plug on my Harley.   On Dyna and Touring models you will find a oil pan under the engine with a large 3/4" oil drain plug.  Turn that nut counter-clockwise to loosen the nut, remove it and let the oil drain into a drain pan.  When in doubt, check your owners manual, service manual or ask a Harley-Davidson dealership to point out to you where the oil drains are located on your model motorcycle. 

  5. Dealers are charging me $2 for oil drain O-rings.  Can I use the O-rings multiple times?   No, as they frequently appear to be damaged when you remove the oil drain plug.  The good news is you can obtain the Nitrile O-rings at a much cheaper price from industrial supply and hardware stores.  Just ask them for this size Nitrile type O-ring: 9/16x7/16x1/16.  Ace hardware lists the O-ring under #41 size and costs about sixty cents each.  You'll pay way less if you buy a dozen or more from Harbor Freight Tools or some other industrial supplier.  Check the Internet too.  These O-rings fit all V-Twin Harley-Davidson engines, primary chain case and transmission.  You'll need three for each oil change so buy them in bulk.   



I saw an advertisement in Thunder Press magazine by a Harley-Davidson dealer.  Here's the prices.

$69.95 (plus tax) for just the engine oil to be changed.  Note:  This is a rip-off.

$109.95 (plus tax) to change all three oil compartments.  Note:  This is even a bigger rip-off.

$119.95 (plus tax) if you own a XL Sportster, Dyna, Softail or Touring.  Note:  This is a monstrous rip-off.

The book will show you how to change the oil and do it for only the cost of oil and oil filter... $40 or less full synthetic oil and you save money forever!

"You Can Pay! Pay! Pay! or you can Save!  Save!  Save!"


  Buy the book right now.  You will be satisfied.  We guarantee it!     

HD Oil Change



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