I have a 1988 FZ600 rolling frame (roller) with an engine that needs more work and $$$ than what it's worth. Email, Name, Address and Phone Number. Core charge if you don'thave a cam is $50.00. Unfortunately, we don't have engines in stock at this moment!!! While building the XS, Ryland simultaneously tore down and rebuilt a 2010 P.K. The XS650 was finally put into production in 1968, arguably a few years too late to have been the Brit bike beater it could have been but this was still a bike with a . 36MM EXHAUST VAVLE, $52.00 (SOLD OUT). Thinner, low-tension rings reduce friction for more usable horsepower. A rephase is when you change the configuration of a crank or camshaft to change the time an engine fires. The power curve would be very different too, having a steeper curve for the stock crank (dropping off at 8,500 RPM) and a more linear curve for the rephase (dropping off 500 RPM later). Theres also a full custom exhaust system, and the engines been bored out, had its compression raised and been tuned for maximum torque. Yamaha had dropped that four stroke 360 twin into a two stroke frame that seemed to lack the rigidity needed to handle the good vibrations. XS Performance Big Bore Race Cylinder Block with sleeves installed and finished to fit our 80mm. Performance Tool W1189C SAE Offset Distributor Clamp Wrench. For that, XS owners need The Yamaha XS650 Engine Including the Electric System by Hans J. Pahl, which is less entertaining, but . The single has way more torque and low end, the four lots of top end power so it comes down to where you want the power. Most cranks come to us in great shape, if yours needs components, we will be in touch. I don't mean to sound like a broken record but reading the Carb Guide should answer just about every question you've asked. Shell/JE 700 piston sets, top quality forged pistons. Maybe its always made that sound. Carb theories. Pistons. Showa were in turn bought out by Yamaha in the same year and so Yamaha inherited the Horex engine design as developed and improved by Hosk. We offer his kits in our store, or you modify an existing points ignition to run the rephased crank and cam. The tank is from a Suzuki DS, finished in a tasteful two-tone paint scheme. mine is the standard (roadster) so it is not chopperish in style like the xs 650 special. *Failed Cranks Why to properly build and weld an XS650 Crank. Dont you hear it? There is no down side to weight loss at all, whatsoever. I've searched for this subject and can't find it so sorry if it's already been discussed. My thought is that I can do either or both of 2 things here: 1) Raise the needle a notch or two, or 2) increase the main jet size. Or are there other shortcomings of the early engine? Strawberry Shortcake is about 300 lbs (as it has no swingarm etc. These are 1mm over, PART# pRICE, 01 MAN . So long as the camshaft is in good shape, we then machine and rephase the camshaft on our in house fixtures to match your rephased crankshaft. mileage seems to be in the 42 to 48 range. Its since become even more popular on the custom scene, probably due to its familiar engine and natural good looks. Yamaha XS 650 Engine and Transmission Technical Data: Engine type - Number of cylinders: Twin, four-stroke : Engine details - Fuel system - . Coverage from BikeEXIF shows off a machine blessed with an aluminum frame, in which the air-cooled, 654cc, parallel-twin engine becomes a stressed member.. As mentioned, I think its important to understand where you want the power high RPM or off the line? to all who have posted!! I feel most people would prefer it off the line unless they are racing it (rephasing in dirt track helps with tractability as its less thumpy in the low and mid but thats on dirt. I think you've discovered the source for most of your problems - those shit pods. Make sure to include which services you are requesting on the note. All engines are (as) new from the inside and the outside. The mostly-black colour scheme is punctuated only by the red Hinomaru dot on the 60s style fairing, and the camouflage-style tank paint. ***All of our exchange services are based on cash/check/money order pricing. Of course you can, but youve stopped paying attention. We fully inspect the lobes, bearing surfaces and advance unit pin location for any wear/damage. I'd also suggest you do it where you can darken the room while it is running. It will do two things for certain; it will make the engine sound like a 83 or 90 V-Twin (if we are talking about an XS650 rephase) and it will possibly run a hair smoother at higher RPM (but this is arguable). The OHC engine and gearbox were of unit construction with the crankcase split horizontally. Shipping and handling. The 750cc conversion is always fun. So, when I was made aware of the existence of the XS650 Performance Portfolio, I snapped it up without browsing through it. As you level off the choke, your ride starts to hum. Assembly Weight approx. you never said that you ensured it is timed properly. No lighting coil race only. Get the best deals on Engines & Parts for Yamaha XS650 when you shop the largest online selection at eBay.com. Fabricate a 2-1 exhaust and either Mikuni VM or Keihin PWK carbs. But, like a snowball rolling down a hill, that minor engine issue can build, until it suddenly become a catastrophic. Posted Over 1 Month. . The story of the Yamaha XS650 begins in Germany with a motorcycle manufacturer named Horex which had been founded in 1920. Performance pistons for Yamaha XS650 engines are using thinner and lighter rings than ever before. This is called free power. Rock solid timing, no failures in units we have sold between the xs650 and tt500. Pikes Peak winner builds a 775cc twin motocross machine! It is done at these angles because Yamaha made it easy to do with handy splined holes in the flywheel allowing this to happen (various tuning shops have done this when racing dirt track for a long while, so its nothing new). The set with the 135 main came in the 78 or 79. The Yamaha XS650 is a mid-size motorcycle made by Yamaha Motor Company.The standard model was introduced in October 1969,and produced through 1979. Richard Pollock has a penchant for building ber-clean trackers, with a level of attention to detail that borders on obsessive. If you are looking for a bike that can be had at a reasonable cost that has the personality to become a favoured companion for road adventures then a Yamaha XS650 could be just the bike you are looking for. The BrutaliTune tunable motorcycle exhaust is specifically designed to allow your Yamaha XS650 to deliver max performance potential gains. This is really a function of throttle position. A larger main jet should help the 79 carbs had 135 mains try a 140. The engine has a 360 crank which means the pistons go up and down together, sort of like the twin cylinder bike you have when you really want a single. $226.48. The group consisted of Fabien Tourlan, otherwise known as "l'Atelier Les Bcanes", who specialises in vintage motorcycle restoration, Aymeric Romanowski of Atelier WIK and Bernard Christy, who deal in parts, and David Gallet Dadygraph and Laurent Chapus of Neway Designs . There's a pinging sound coming from your engine. Surprisingly no ones spotted the .00 error in the manuals copied from the first Yamaha factory manual, probably because i never published that part either, or the 10 plate clutch trick.Good on you for settling the rephase myth (now retired from the XS650 tuning business, but still riding hopped up 650's). 20mm. However, spending the same money on weight loss would be money well spent too. Its a little more playful than Classifieds usual fare, but Rylands signature touches are still theresuch as the nickel-plated tank and perforated panels on the tail. 750cc Big Bore Piston kits(2) complete with Ring Sets, Piston Pins & Clips. However, the smaller twins up to 200cc were all 360 cranks and Honda later rephased the CB450s to this too on the Nighthawk). Our previous Top 5 covered the Harley Sportster. This also equates to less mid-range torque). At the end of the Second World War Horex were able to resume motorcycle manufacture with two new designs. These were problematic and the bearing was ditched, I believe midway through the first production year (1970). Some castings are significantly better than others too. [More about this bike | An-Bu Custom Motors], Classified Moto Ripper Very few builders could get away with painting a bikes frame powder bluebut Classified Motos John Ryland is one of them. The Stage I bike is good-handling, fast, responsive . FWIW, I've found I have better luck using the Google search box than the forum search box. Limey Bikes, 900 Old Koenig Lane, Austin, TX 78752. First, "THANKS!!" Don't you hear it? Once the rods and outer flywheels are installed, the crank is fully trued in our fixures and given a final rod pin TIG Weld to each end for the ultimate in reliability and performance. Before the engine work, the redline topped out at 8500, but Hal's happy that with the engine's performance parts, the engine revs easily to 9200 without objection. Hugh's HandBuilt If only shipping a cam, $12 is the return shipping cost. It belongs to Drogo Michie, who turned to various shops to execute his vision. Sold with a BILL OF SALE only. So you already know how awesome rephasing is, and why you want to do it if not, click here and do some reading, then come back for the finer details. Opens in a new window or tab. Without an electric start, switchgear on the flat track bars could be kept to a minimum, adding to the bikes overall air of simplicity. Part# 302957 for your 256 motor $300.00 (1 LEFT), Part#347370 for your 533 motor $300.00 (1 LEFT. vibration is there but ,its not unbearable. . Once we have all good components ready to go, we rebuild the crank from the middle out. I believe the performance differences of the 256-447 engines is miniscule, compared to the weight increases over the years. OK..finally back into this again after a few days away from it. It feels like the Yamaha XS650 has been around forever, and that's not far from the truth: it was offered in various guises from 1968 until 1985. My thoughts are that this subject should become a separate category, as it contains aspects of the Carb section, Ignition, Electrical, Engine Mechanical, and even the exhaust section. Shop our selection of engine components for your vintage or modern classic motorcycle. . Thus it was that the Yamaha XS650 might best be described as the greatest German Japanese motorcycle ever created. Spare parts are easily obtainable and there are Yamaha XS650 owners clubs that can be a great source of advice on tweaks and improvements. Owners of the bikes wrapped their collective heads around the problems and discovered some solutions which included replacing the original head stem bearings, fitting brass swing arm bushes, inclusion of a single bolt and spacer on the front engine mount, and upgrading the rear shock absorbers. ENGINE ASSEMBLY: The XS650 is a simple straightforward motorcycle; it has no complex parts assemblies, nor does it require special tricks to avoid disaster. You really need to carefully check the timing with a light while the engine is running to make sure the base timing is correct and that it is advancing as desired. Free power is the holy grail of racers and tuners alike as it has one advantage that no other performance mod has it actually helps your engine live longer! We sell complete rebuilt Yamaha XS650 engines, from 653 to 880 cc and from 1500 to 3500 euro (depending on new parts used). You are using an out of date browser. Two-Stroke Performance Tuning - A. The "Special" cruiser model was introduced in 1978 and produced through 1985. Key in the ignition, pull the choke and hit the little black button (or kick her over if youre legit). They are also a lot smoother. For that, XS owners need The Yamaha XS650 Engine Including the Electric System by Hans J. Pahl, which is less entertaining, but does at least tell you things you actually need to know. CNC Performance Valve Job $160.00. Head work and cams are king. Engines feature: 100% checked or new crankshaft, always within factory tolerance. Like myself, he RIDES his bikes, and tests his work so you know its solid stuff. I also believe the 447 superior in support and parts availability. The Yamaha XS650 is a mid-size motorcycle made by Yamaha Motor Company.The standard model was introduced in October 1969,and produced through 1979. TC Bros. TC Bros. XS650 Billet Aluminum Intake Manifolds. Free shipping. Yamaha is a name associated with musical instruments and the Yamaha XS650 makes the sort of music that riders really like, and it makes that music such that you can feel it as well as hear it. Seller assumes all responsibility for this listing. If you think you hear something, you almost certainly do. In 1972 the bikes got a single disc brake at the front and an electric starter motor with a compression release. So long as the camshaft is in good shape, we then machine and rephase the camshaft on our in house fixtures to match your rephased crankshaft. Yamaha changed the BS 38 carbs several times over the years the 122.5 indicates the carb set is 76 or 77 carbs. A 750 cc kitted and modified engine will get close to 70 HP if everything is done and done right but 60-65 is more likely. ), which would translate to 78 HP in comparison to the stock machine. Thursday & Friday from 11.30-13.30 or Saturdays from 09.00-14.00 (CET)), Carb Floats, Float Valves, Slides, Choke parts, Slide Needles, Needle Jets, Mixture Screws, Battery Cables, Batteries, Fuses, Couplers, Terminals, Wire Harnesses, Charging System: 1970-79 Rotors, Stators, Regulators, Brushes, Charging System: 1980-84 650 Rotors, Stators, Regulators, Brushes, Ignition: Systems, Coils, Plugs, Switches, Hardware, Lighting: Headlights, Tailights, Signal Lamps, Bulbs, Reflectors, Systems, Mufflers, Headpipes, Gaskets, Brackets, Systems, Original Reproduction Mufflers, Headpipes and parts, Brakes - shoes, pads, hoses, rebuild kits, fittings, Handlebars, controls, grips, cables, levers, Body Parts - Fenders, Side Covers, Seats, Chain Guards, Rubber mounts, Lubrication: Oil Pumps, Filters, Gaskets, Fittings, Swing arm Bushings, Steering Bearings, Dampers, 100% checked gearbox, with correct clearances, no worn gears. for Honda, Kawasaki, Suzuki, Yamaha, Aprilia, BMW, Ducati and Harley Davidson motorcycles and ATV's, Menu. Was: $26.99. Free shipping on many items | Browse your favorite brands . + Postage. This is an exchange item. Bell 1999-11-28 Engine-tuning expert A. Graham Bell steers you through the various modifications that can be made to coax maximum useable power output and mechanical reliability from your two-stroke. The engine wasnt counterbalanced to remove that vibration. You already know that we are the Go-To people for XS650 Rephasing Services, weve been doing it since day one, and in all honesty it is what put Hughs HandBuilt on the map (next to our PMA Systems). No modifications to engine cases needed. No worries of run out as I have seen with many others cams. No. Orient Express high performance motorcycle parts since 1973! **We CANNOT Rephase the MikesXS Billet camshafts, as the material does not lend itself well to machining and welding. $22.94. 750 cc. Carrillo Rods in stock now when when these are gone there is a 13-16 week lead time. 2nd. So, you gear up and head out the door. Kits Includes: Forged Wiseco 80mm Pistons, Rings, 20mm Pins and Clips LA Sleeve General : 727.342.5601 Toll Free : 1.888.792.0692 . Pro-1 Racing Engine Builder Series. Want to note parts are not included. Like I said, my experience is very limited. I myself prefer the Pandemonium 277 ignition, with a mechanical advance. Dont let that pinging or clatter go undiagnosed. 1970 Yamaha XS650; 1971 Yamaha XS650; 1972 Yamaha XS650; 1973 Yamaha XS650; 1974 Yamaha XS650; 1975 Yamaha XS650; 1976 Yamaha XS650; We also have valves and valve shims for your bike, as well as many other vintage Japanese motorcycles. But the air-cooled, parallel-twin engine has an even longer historyit was based on a 500cc German Horex copied by the now-defunct Hosk Motorcycles. When first introduced the Yamaha XS650 developed a reputation for poor handling. Apart from weight loss, this, combined with a nice set of carbs, good ignition, a Shell No.1 cam and a good exhaust is probably the best bang for your buck on engine mods. So.spent last night correcting that error. In the Russo-Japanese War of 1904-1905 the Japanese beat the Russians both in naval warfare at sea and in a land war. $698.00 exchange. Yamaha XS650. All Carburetor . Performance Part. People love the way they pound the pavement when standing still on idle, how they snarl and growl like a big cat, and the bark they let out as you twitch open the throttle. It isnt. Part# HRS stk-465 $345.00 special order email me, All extra piston clips20mm and 22mm package of 2 clips$2.50. It could be a lean mixture, or it could be a poorly timed ignition spark. Last one. 80 YAMAHA XS650 XS650SG SG XS 650 SPECIAL AIR FILTERS. So, I thought I would pose this question myself and try to clarify what it is and what it does in simple terms for those thinking about giving it a go, trying to be as unbiased as I can. 25 watchers UPC. Aug 10, 2013. Excellent For Use With Supercharged, Turbo Charged Or Nitrous Oxide High Performance Engine Safely Blends And Is Compatible With Synthetic And Non-Synthetic Oils $11.34 - $12.91 Lucas Oil Low Viscosity Oil Stabilizer, 12 fl oz (11097) The internet has made the rephase a popular myth/folly. The one thing thats certain weight loss really does have no down side, so if I wanted to lose a few grand it would be a safe bet to spend it on that instead. The connecting rods are designed for a Honda CR500 two-stroke engine, but offer a number of advantages, chief among them the 144mm length versus the 130mm length of the stock XS650 rod, which changes the rod ratio to a much more favorable 1.9:1 from the factory 1.5:1 ratio. Dont worry, though, we have piston rings for veintage motorycles. V-Twin Steel Rear Fender - 5" Round Profile Raw. The XS650s main competitors either had push-rod engines with vertically split crankcases (the ones that cause landladies to complain about the oil stains on the apartment carpet) or they were not unit construction having the engine and gearbox separate. The engine was narrow and tall giving the bike a slim profile and making it easy to manoeuvre. Standard original piston size varies slightly so the piston may also be marked .965 or otherwise. If youre inexperienced, you may wonder if youre hearing things. If you want an XS650 thats better on freeways,I cant help thinking you have the wrong bike. All profiles are. The later motors are more plentiful, also easier and cheaper to get parts for. greeves challenger rolling chassis c/w engine plates for triumph 350/500 engine. It turns over with compression. Fat on both ends, lean in the middle? Standard bore clearance is 0.0020- 0.0022 in. Yamaha XS 650 Performance: Top Speed: 171.0 km/h (106.3 mph) Acceleration 0 to 100 km/h (0 to 62 mph) - Acceleration 0 to 400m (1/4 mile) - In 1974 the electric starter was upgraded such that the compression release was not needed any-more. Whats yours? Silodrome was founded in 2010 as a website dedicated to Gasoline Culture and all it entails - We write about modern cars, classic cars, motorcycles, racing, gear, gadgets, clothing, boats, planes, airships and the occasional submarine.Read more Silodrome 2023. all rights reserved. This would be a great basis for a cafe or chopper or the valuable parts (seat/gauges) can be sold. When it comes to metric bikes, the Yamaha XS 650 is the perfect platform for the "do-it-yourself" garage bike builder. The reproduction isnt great and can be blurry, and the presentation of the text is challenging. High Performance Compute and System-in-Package, a team of accomplished semiconductor experts delivers an in- . AS A YAMAHA XS650 owner struggling to keep my recalcitrant but beloved mount rolling over a 25-year period, Ive often been frustrated by the lack of information available about the model, apart from my grubby Haynes manual, which can lack important information. This bike has been raced by his son Kye for over five years, the parts Rick and sometimes Howard (because he can't really retire) design are used on the road engines Rick builds for customers. Brooklands Books 15 ISBN: 1 855 20574 2Read more Reviews, Letters, Opinion, News and Features online at www.classicbikeguide.com and in the August 2020 issue of Classic Bike Guide on sale now! Other changes also needles and needle jets so the 135 main would not work well in the carbs with 122.5 main. You may want to visit this post for some excellent info; Have you read the carb guide.