Yamaha sr 500 technical specifications ultimate specs. As soon as i heard that wonderful thumper pull out of the garage i was bitten hard. The sr500 was delivered with alloy rims along with front and rear disc brakes. In this version sold from year 1978, the dry weight is and it is equiped with a single cylinder, fourstroke motor. Great book to read if you are planning an engine tune. Mar 22, 2009 regarding the sr500, which shares essentially the same engine as the sr400, the xt500 and the tt500, there is a lot of knoweldge about hotting the engine up, but not much about cooling it down. His writing style is very easy to read and the book is filled with pictures too. Yes, it is a bit outdated but so is the aseries engine. Tuned for maximum performance over the short haul, it was usually a secondhand bike that didnt break the bankand was tweaked on a budget. Keep your motorcycle in tiptop shape by performing some basic maintenance replace worn spark plugs and the clutch kit for a nobog, instant. The objective of tuning is to improve the volumetric efficiency of the engine. Yamaha front fender sr500 sr 500 xs650 xs 650 fits. This achieved a superior braking force due to the smaller frame size and total weight.
Aug 21, 20 the guys on the flattrack fourm in the usa say the first sr500s made had bigger heavyer flywheels of the same year tt and xt. How to tune and modify motorcycle engine management systems. Christian from exesor motorcycles is one of those quietly talented custom bike builders who spends months at a time hammering a way in a shed, before. Crankshaft repair including a highquality connecting rod set which is equipped with a bronze bush in the upper connecting rod eye. View and download yamaha sr 500 service manual online. He owned and ran an internationally renowned performance dyno tuning workshop in wellington, new zealand and has made his mark developing and tuning a number of high powered import drag cars, many of which set world records. By artracing, november 4, 2010 in vintage dirt bikes. First released in the cc single cylinder engine was based on the xt trail bike it proved popular both in europe and the usa the cc single was pleasant to ride and held that nostalgic aura that cc singles encourage it is still manufactured today for the japanese home market. Everyone loves a thumperand few thumpers are as loved as yamahas popular sr500. Welcome this site is dedicated to the yamaha sr500 and its variants in both stock and modified form and to the enthusiasts who ride and modify them.
Or maybe hes two or three happy people when it comes to his 1980 yamaha sr500. This is the best case cover to do as it is aluminum and we can weld it. I have never had such a well thought out and easy to understand guide to. A few months ago on a buell motorcycle forum someone posted a video of the lossa eng sr500 project. How to design, build, modify, and tune efi and ecu systems. Tracy martin is the author of five motorbooks workshop series books, including, how to use automotive diagnostic scanners, how to diagnose and repair automotive electrical systems, motorcycle electrical systems troubleshooting and repair, how to tune and modify motorcycle engine management systems, and how to troubleshoot, repair and modify motorcycle electrical systems.
Tt500, xt500 and sr500 engine difference vintage dirt. When i got the chance to get a copy, i was first impressed with its size. Syamaha xt 500 racer yamaha xt 500 flattrack yamaha xt 500tuning yamaha sr 500 tuning yamaha xt megacycle racer flattracker rennmaschine tuning sr500 xt500. The engine produces a maximum peak output power of 27. From motorcycle tuning tips to detailed motorcycle engine repair, he can draw. Every aspect of tuning a petrol engine gets covered. Having roadraced an sr500, he knows how to make these bikes fast and light. Mikes xs is the leading destination for yamaha sr500 engine parts. That includes researching and sourcing the best books on collectible and rare bikes. Peyton place stainless high flow rocker oil line, do away with the steel oem pipe. Yamaha sr500 parts best genuine oem and aftermarket.
This modern engine, although still carbureted, produces large amounts of power. It is very important to understand that tuning a single item fitting bigger. This material removal lowers the slide and corrects the. Tt500, xt500 and sr500 engine difference vintage dirt bikes. Unfollow yamaha sr500 to stop getting updates on your ebay feed. Find oem yamaha motorcycle parts, everything from engine and transmission to suspension and body parts. Sr500 18x 1,85 dunlop kr124a race compound spondon brake disc, grimeca brake. Unless i get the kickstarter at the very top of its stroke by using the compression release and give it all the oomph ive got, it doesnt even think about starting. From motorcycle tuning tips to detailed motorcycle engine repair. Yamaha sr500 petcock challenges motorcycle classics. View our entire inventory of new or used yamaha motorcycles. That includes researching and sourcing the best books on collectible and. A 1978 sr500e that when purchased on nov 5, 2011 had 3911 original miles.
I didnt even put a speedo on it, because i never looked at the one on my last bike. I have another 1978 cr frame that the 500 yamaha engine will eventually go back into. And while engine tuning has always been considered an art by many, all engines truly need to reach their true performance potential is a balanced combination of air, fuel, and timing. Nov 04, 2010 tt500, xt500 and sr500 engine difference. We have thirtynine specific parts lists available for this model. Combining classic looks with a fantastic thumper engine and such a huge diversity of customisation possibilities, the yamaha sr lends itself to the motorcycle modding scene with ease. Through the dedication of the early club members, services were built up to attract other sr500 owners.
Last year i removed the yamaha engine and reverted back to the original 390 auto engine. Sr500 engine rebuild possible tracker in the future yeah im assuming it was a 11. In japan, in order to meet tiered licensing regulations, the sr was released with a 400cc engine instead of the 500cc variant avalable in europe and the us. For example, a cc engine may produce 125 hp in stock form and 175 hp after race tuning. Sr500 83 long holes make adjustment of the lima possible check with stroboscope lamp, fmarking has to be aligned with housing markings at idle, starting from 1950 rpm the fmarking has to move in the direction of the early. Get the best deals on motorcycle parts for yamaha sr500 when you shop the largest online selection at.
But even at over 1,600 hp, it must still be adjusted to accommodate changes in current weather conditions for best performance. One of the emerging trends over the last several years has been the ease in which the sr500 can be customized into a chopper, bobber, brat, cafe racer or you can just do a complete. This book explains how the efi system determines engine operation and how the calibrator can change the controlling parameters to optimize actual engine performance. Send you cover and you shift shaft and 1 xs650 shift shaft if you want left and right shft ability. Honda cb 500 engine tuning, engine rebuilding and cylinder head porting. Graham bell is an acknowledged expert on engine tuning, with many years experience in this field. This engine is known for its smooth low revving torque delivery and that quality made it a great bike for beginner riders and for riders who were looking for a bike to relax and enjoy the ride on. Designing and tuning highperformance fuel injection systems. Ths was ofc for racing and the engine had to be rebuildt very often. Cam chain adjuster cover to fit the sr500, sr400, xt500 tt500 solid polished brass. That includes researching and sourcing the best books on collectible and rare bikes available anywhere. The heart of the sr, that which attracts most people, is the engine. Learn how to tune efi electronic fuel injected engines the right way. Automotive motor mechanic skills books book depository.
This time i was going to get the one i had always wanted. I scanned and typed most of this stuff, i think it is pretty accurate. But simple does not mean easy, and thats where engine management. Yamaha sr500 engine transmission gears sr xt tt 500 shift drum forks 1980. What really came in handy for me was the exhaust design calculations and how to choose right size diameter and length itbs for my engine. Manufactured for just over 20 years, from 1978 to 1999, it shared the same singlecylinder, aircooled 499cc engine as the xt500 and tt500. Cb 500 tuning ben coyle engine tuning bcr performance. Keiths garage, motorcycle classics, 1503 sw 42nd st. Camshafts for reprofiling must not show any defects.
So his books are written with a good foundation and lots of experience to back it up. In this book, author tracy martin addresses all of a modern motorcycles engine control systems and tells you how to get the most out of todays bikes. May 30, 2018 designing and tuning highperformance fuel injection system by greg banish and performance fuel injection systems hp1557. With a large inventory of vintage yamaha motorcycle parts and same day shipping in the continental us, we can assure that all your yamaha sr500 motorcycle needs will be met here. Other books to his credit are modern engine tuning, twostroke performance tuning and forced induction performance tuning. The export market sr500 kept the enduroadventure bikes engine pretty much unchanged. Yamaha 500 sr ahrma sr500 seat base unit 1981 yb336 jd. Tuning engines can be a mysterious art, all engines need a precise balance of fuel, air, and timing in order to reach their true performance potential. Discover book depositorys huge selection of automotive motor mechanic skills books online. At this stage i have arrived at more or less satisfactory explanations. Tuning fuel injection is popular for automobile but tuning to motorcycle is rare case. The yamaha sr 500 model is a sport bike manufactured by yamaha.
The donor bike is a yamaha sr500 the fourth 500cc yamaha that daniel has built. I guess its alot when the original hp is 33, but i remember sending the guys at kedo a mail asking about just how much hp one could get out of a sr 500 engine. Actually the sr engine is my first choice because it has the better shift system and tougher clutch basket. Lookswise it was styled to resemble its big brother, the xs650. Knowledge is power and whether you are tuning your car yourself, wanting to start a career as a professional tuner or even if you are just wanting to choose and communicate. Andre is the technical founder of hpa and has around 17 years of experience in the tuning industry. People go for the racing thing with more power, whereas im going for the chugging old brit single sort of thing.
How to tune and modify motorcycle engine management systems addresses all of a modern motorcycle s engine control systems and tells you how to get the most out of today s bikes. I double checked most of the figures and tried to concentrate on the numbers. As tools for tuning modern engines have become more powerful and sophisticated in recent years, the need for indepth knowledge of engine management systems and tuning techniques has grown. The theoretical 100% filling of a fourstroke engine with a 300 cubic inch displacement operating at rpm is calculated by. Apr 29, 2012 and, just as the bikes themselves have changed, so have the tools with which we tune them. It is a musthave for tuners and calibrators and a valuable resource for anyone who wants to make horsepower with a fuelinjected, electronically controlled engine. Designing and tuning highperformance fuel injection systems banish, greg on. After the discontinuation of the sr500 in us markets at the end of 1981, the sr continued to be sold in europe, asia and oceana for years to come, though in slightly different guises.
Check out the guided tour page to see where these parts are located and what they look like. At omega racer, the yamaha sr400sr500 is our speciality. This is the most comprehensive efi tuning and calibration book available and that is why it has sold in 36 countries worldwide and is used as the efi tuning text book by technical schools such as school of automotive machinists and studied by students at lincoln tech and. If anyone has any experience with tuning the stock carburetor on the sr500 and wants to comment on the information provided, i would be glad to include it here. Ive owned my early 1980s yamaha sr500 since new and it has always been hard to get started when cold. Designing and tuning highperformance fuel injection.
She wasnt spotless, but what she needed was an easy fix and i just couldnt pass her up. Yamaha 500 sr ahrma sr500 used engine right clutch cover 1978 vintage 1979. We have the right yamaha sr500 parts for any job from repair and maintenance to custom motorcycle build projects. Keith tries to help a reader whose early 1980s yamaha sr500 has a hard time. In other words, the engine will, after tuning, produce more power from the same displacement. The yamaha sr400 19782018 and sr500 19781999 are singlecylinder, aircooled, twopassenger motorcycles manufactured in japan by yamaha motor company as a street version of the yamaha xt500, with a standard riding posture and styling resembling the universal japanese motorcycles of the 1970s. Advanced tuning takes enginetuning techniques to the next level. Hardstarting yamaha sr500 classic motorcycle repair. There really hasnt been too much major development since this printing. I finally got some definitely needed help to take apart my engine. How fuel injection works aftermarket fuel injection.
I have never tried anything like this before, and dayum i learned a lot. Gain fundamental knowledge and then a practical step by step process for getting any tuning job done. Terry mcgean hemmings muscle machines 20070401 if you are willing to spend the time learning the technology this will be a great book for your library. Xv535 has vtwin engine 44 horse power which is more than sr500 32 h. Aug 15, 2011 here is a sr500 engine in a 1978 husky frame that i built many years ago. Jul 05, 2018 from motorcycle tuning tips to detailed motorcycle engine repair, he can draw from a wealth of experience to help guide you to success. Complete systems free delivery possible on eligible purchases. The piston is also available with skirt coating for a surcharge. A fourstroke engine has two revolutions per cycle of displacement, so the displacement rate is onehalf of actual engine speed. And to an endless series of experiments, some of them illuminating and many others raising more questions than they have answered. I turn car compressor into working engine duration.
The sr500 is the road bike offshoot of the xttt500 dirt bikes that were first sold worldwide in 1976, however the engine and chasis are quite different in a number of areas. Advanced tuning, author and calibration engineer greg banish provides the reader with the insight required to understand and tune modern efi systems. These are excellent resources on the basics of ecu operation and general engine tuning operation. Free shipping on many items browse your favorite brands. Yamaha sr500 motorcycle parts exhaust, engine, cooling, brake. It is highly recommended to buy to know latest parts for f. Delkevic aftermarket slip on compatible with yamaha sr500. Greg banish is a mechanical engineer that works as an oem calibrator. This is the book if you want to figure out how to tune your efi system. Huge stocks, fast worldwide shipping directly from japan. Z1 is the leading destination for yamaha sr500 engine parts parts.
Models yamaha sr500 europe, usa 19781984 yamaha sr500 japan, usa, europe. Buy delkevic aftermarket slip on compatible with yamaha sr500 sl10 14 stainless steel round muffler exhaust 7881. Yamahas sr500 is one of the few japanese motorcycles to. Heres our handpicked list of parts and accessories for your yamaha sr500 with universal parts included choose another motorcycle yamaha. The engine is a sohc 2valve with a dry sump the frame downtubes serving as the reservoir, and it came without the luxury of and. Hitting the open road on your yamaha sr500 means freedom, exhilaration and an escape from the daily grind. I had heard that vizards tuning the aseries engine was quite the wealth of information but having never read it myself or known someone who had read both the modify your mini and aseries engine books i was not in a big rush to buy the tuning the aseries engine. The lower half of the sr500all the engine and mechanical partsis coated in. Yamaha sr500 engine parts cafe racer vintage road racer. These included a complete collection of published road tests and technical articles, specialist tools which could be borrowed, links with the providers of sr500 parts and accessories and a. Vizard covers ever topic in fantastic depth and gives real world data and anecdotes to every aspect of the engine.
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