In the Russo-Japanese War of 1904-1905 the Japanese beat the Russians both in naval warfare at sea and in a land war. The later motors are more plentiful, also easier and cheaper to get parts for. Click here to read about the XS650 pictured above. If your beloved vintage motorcycle develops an odd pinging sound, investigate immediately. Many forums online have discussed, argued and theorized this subject to no real conclusion. I operated alongside Halco tuning and as Palma tuning and built many very big bore motors, etc. Performance Part. Link for the 83 page XS650/750 Engine Modification Guide, $39.95 Co-Built built the bespoke exhaust systemcomplete with removable baffles. Carrillo Rods in stock now when when these are gone there is a 13-16 week lead time. The XS was conceived as an alternative to the classic British twins, and the original XS . For a better experience, please enable JavaScript in your browser before proceeding. *Failed Cranks Why to properly build and weld an XS650 Crank. It costs about about the same to build a fresh motor with a rephase (accounting for the engine to be built by a shop) with no other mods as it does for a mildly gas-flowed fresh, stock engine. Assembly Weight approx. 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). Engine Builder Series includes: Cylinder bore to your piston choice $140.00. V-Twin Steel Rear Fender - 5" Round Profile Raw. Then the rephase idea cropped up, so I made a few. New Manley Stainless steel valves. 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. . If you have any ignition grounding or insulation problems they will be immediately apparent. It outperforms any other free-flow bike pipe on today's market. Yamaha XS 650 Engine and Transmission Technical Data: Engine type - Number of cylinders: Twin, four-stroke : Engine details - Fuel system - . Well, you would literally have to build the same engine twice and dyno it to prove that, as every casting on old Japanese bikes varies quite drastically. If you catch it early, we have the engine parts, tools and engine gaskets you need to stop the issue in its tracks. 1982 Classic Japanese Yamaha XS 650. 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. 60.00 + 6.00 Postage. $226.48. Manufactured originally by Hosk, then having been sold to Yamaha . [More about this bike | Red Max Speed Shop]. Steel Rear Sprocket, 38Tooth ( 73-83)TX/XS650. Two-Stroke Performance Tuning - A. Pistons kits come with pistons, pins, rings and clips. . With good head work, well set up carbs, a mild race cam, free-flowing exhaust, better ignition and a 700/750 kit you will find yourself on the back wheel quite often. You are using an out of date browser. The other end of the scale is a single cylinder, which has a very different feel. Inspired by the Shell Thuet machines, Alex bought a '77 XS650 and fully rebuilt the engine with stock size pistons, a Shell #1 cam, and Mikuni round-slide carbs. They are also a lot smoother. They developed and improved on the Horex design and in that process the Hosk company was bought out by another company named Showa in 1960. Its a lot heavier, much more complex and doesnt come close to handling as well, for a start. Shell/JE750 kits, I carry these in Standard 80m (3.151) , 2nd over (3.169), and 4th over (3.89) . 7000 km. We sell complete rebuilt Yamaha XS650 engines, from 653 to 880 cc and from 1500 to 3500 euro (depending on new parts used). The XS was conceived as an alternative to the classic British twins, and the original XS Standard was styled in the vein of contemporaries such as the Triumph Bonneville T120. Model XS650. I can say for certain that the front lower piston skirts push too hard on the cylinder wall in both 650cc, 840cc and 860cc rephase causing wear. Consider making a donation to help support the site. I actually did tear down the same motors and tried every combination possible. First off, we disassemble your crank 100% down to each needle bearing, rod pin, and flywheel This allows us to fully clean and inspect your components for wear/damage and fully assess the rebuild. $135.00 plus your old cam. It had different length rods and different pistons. I also believe the 447 superior in support and parts availability. 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. Ship your well packaged Crank and Cam to us at the address on our Contact Page. Big Bore Cylinder Head Gasket & Base Gasket. Live Well. The XS650 is a bike with a long and solid history. The frame number matches the engine perfectly. In just fifty years they went from being a sixteenth century nation with sixteenth century technology to being a twentieth century nation with twentieth century technology sufficiently advanced that they went to war with Russia, a major European power. The engine was narrow and tall giving the bike a slim profile and making it easy to manoeuvre. 650/750 SPECIAL PARTS. This deviation from MotoRelic's usual fare was conceived six years ago. All Carburetor . you never said that you ensured it is timed properly. TC Bros. TC Bros. XS650 Billet Aluminum Intake Manifolds. Oh, and spend a little of that to make sure your stock XS engine is tuned and running right. If you prefer Paypal, we can process payments with a 4% fee applied to the total. Pistons are 9.5 to 1 compression ratio. Its common to put on blinders when you run an ailing engine. Wedged between them are a wood-clad Yamaha XS650, and the wildest supercharged Honda CBR900 we've ever laid eyes on. 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). Theres a pinging sound coming from your engine. I have a 1988 FZ600 rolling frame (roller) with an engine that needs more work and $$$ than what it's worth. Was: $39.99. SKRN B.V.Krommendijk 20A7603 NK AlmeloThe Netherlands, Mail: emailProtector.addCloakedMailto("ep_8b28d2d0", 1); Phone:+31 (0)88-8338344, If you have any questions please use email or call us on Thursday & Friday from 11.30-13.30 (CET)Saturdays from 09.00-14.00 (CET). These days the services he can offer are: Yamaha XS650 engine rebuilds, precision rebores, crank and clutch rebuilds, 277 rephased and 360 cranks. The New Cylinder Block has longer fins matching the Head Fin Length. We can machine and Rephase any OEM or Reground Camshaft**. Here weve picked five of our favorite Yamaha XS650 customs, showcasing its versatility and potential. greeves motorcycle parts. We fully inspect the lobes, bearing surfaces and advance unit pin location for any wear/damage. Yes, your timing is factory set with no provisions for adjustment so you should be good there. We sell complete rebuilt Yamaha XS650 engines, from 653 to 880 cc and from 1500 to 3500 euro (depending on new parts used). Pistons. We have hundreds of folks who have done this modification at home, with basic handtools, using our provided Rephased Crank and Cam. 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. A 1st.over piston is marked 0.25 which is equivalent to 10 thousandths of an inch . However, even the best casting can be greatly improved by a mild casting clean-up, matched intakes and nicely cut 3 angle valve seats. . Less weight reduces ring groove pound out. 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 . 2. Category -. Does not apply. It turns over with compression. 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.. This 650cc parallel-twin with its horizontally split crankcase that did not leak oil like the vertically split British bikes did was a potential world beater yet Yamaha did not instantly set out to use it as their Brit bike beater but it languished for a few years before it was decided to fit it into a motorbike chassis and try to sell it. The finished bike's performance is much more than impressive numbers. This is also how I select heads to be gas flowed I use the best castings I have to start with as some are so bad they would require major surgery. $157.04. Head work and cams are king. Big Bore Cylinder and Piston Kit. But he's just thrown us a major curveball with his latest project: a vintage Schwinn-inspired Yamaha XS650. 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. No modifications to engine cases needed. Oil channel for enhanced piston pin oiling. Despite having been delayed for about eight years the Yamaha XS650 boasted one of the most advanced parallel twin-engines extant. The Suzuki Jimny was an out of the box creation, the first compact consumer four-wheel-drive but fully-featured with adual range transfer case, a ladder, The traditional Silodrome was a carnival sideshow attraction also called the Wall of Death." ENGINE ASSEMBLY: The XS650 is a simple straightforward motorcycle; it has no complex parts assemblies, nor does it require special tricks to avoid disaster. Speed Read, April 16, 2023. The camchain tensioner design in the later engines is also, IMO, better, as it properly addresses the chain's natural tendancy to 'fling-off' a sprocket, as compared to the earliest 256 design, which has it's lower tensioner block pressing outward at the exit side of the crankshaft sprocket. Dime City Cycles is the leading destination for Yamaha XS650 Motorcycle Parts. Flat track specialists Red Max Speed Shop supplied a Champion seat, Trackmaster tank and Koni rear shocks, and took care of the frame mods and powder coating. Its subtle, but its definitely there. No lighting coil race only. 750cc Big Bore Piston kits(2) complete with Ring Sets, Piston Pins & Clips. Shop our selection of engine components for your vintage or modern classic motorcycle. That blue-black smoke emanating from your tail pipe is a major issue. If only shipping a cam, $12 is the return shipping cost. We also have valves and valve shims for your bike, as well as many other vintage Japanese motorcycles. V-Twin Manufacturing. The New Cylinder Block has longer fins matching the Head Fin Length. GET THE WORLD'S BEST CUSTOMS DELIVERED TO YOUR INBOX. *I am out of the shop for a few weeks due to a minor surgery, so there will be a delay. The XS650 began with the 1955 Hosk SOHC 500 twin.After about 10 years of producing 500 twin, Hosk engineers designed a 650 cc twin. XS650 Camshafts are rephased 100% in house as well. Its a perfect match for the British racing green Storz tank. Aug 10, 2013. [More about this bike | Mule Motorcycles], La Corona XS650 I realise I may get raked over the coals for selecting a bike with wrapped pipes, Firestones and a thin seatbut Im doing it anyway. Dont let that pinging or clatter go undiagnosed. 20mm. Below 4000 rpm. Yamaha XS650. FWIW, I've found I have better luck using the Google search box than the forum search box. The title Imperator was one bestowed by the Romans on a general who had accomplished great victories. Core charge if you don'thave a cam is $50.00. Was: $26.99. $33.99. Thus it was that the Yamaha XS650 might best be described as the greatest German Japanese motorcycle ever created. 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. Orient Express high performance motorcycle parts since 1973! I'm confused. Hughshandbuilt@gmail.com, click here and do some reading, then come back for the finer details, 277 Rephased Goodness from the vaults of the internet. On the topic of chassis characteristics, responsible for road holding, handling behavior and ride comfort, the Yamaha XS 650 . dalton1359 (3,442) 100%. It could be something extremely minor, like running too-low octane fuel. And, I'd be an idiot if I claimed to be an expert on any of this..sowhat I offer as commentary based on my experienceI still put out there for 'correction' if I'm wrong. 277 cams are $698.00 for all profiles, exchange. . $1,100.00. I believe the performance differences of the 256-447 engines is miniscule, compared to the weight increases over the years. If you start with a 495 lb Special and cut that down to 380 lbs (very do-able), that would be (assuming a stock HP of 48, which is what most good Specials dyno at) would give you an effective 64 HP (compared to the stock machine), which is highly modified XS650 territory. Top and 2nd. The Horex OHC parallel-twin engine was indeed destined for great things but not on behalf of the Horex motorcycle company which was purchased by Daimler-Benz and made defunct in 1960. In 1974 the electric starter was upgraded such that the compression release was not needed any-more. Ripper pushbike. 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. 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! And remember, if you get stumped, we are just an email away. Yes, get UNIs. 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. . There is an article about riding an XS round Australia, which is fun. Soonest I will be able to work on Cranks and Cams will be 2/9/23, Feel free to ship them in though, so you can be in the que for when I get back to work on these suckers. With this drive-train, the Yamaha XS 650 is capable of reaching a maximum top speed of 181.0 km/h (112.5 mph) . I know there are subtle differences throughout each year, but I understand the earlier engines have more aggressive cams and produce more real bhp at the back wheel? We offer a wide range of XS / TX 650 products, see our webstore. In short these are a bike with personality. Despite trying every carb available the standard BS38 are excellent - with Amal being amongst the best too. 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. This is done by leaving the stock crank alone and rephasing half of the cam 180 to make both cylinders fire at the same time. Performance Tool W1189C SAE Offset Distributor Clamp Wrench. Not to mention variations from ignition, exhaust, cam and carbs etc. ( 0.050- 0.055mm). from United Kingdom. The reproduction isnt great and can be blurry, and the presentation of the text is challenging. Some things I'm relatively sure of, others..not so much. Thats our pick of the best Yamaha XS650s. Part#02106 (FACTORY YAMAHA) $65.00 3 in stock, Megacycle cam profiles. I don't know why. The tank is from a Suzuki DS, finished in a tasteful two-tone paint scheme. Its since become even more popular on the custom scene, probably due to its familiar engine and natural good looks. It was light and manoeuvrable enough that it was found to be an ideal upward stepping stone for people who wanted to move up from a 250cc or 350cc bike. The problem you are describing - white plugs, no ooomph over 5,000 - may be that simple. For the uninitiated what is the best year of XS650 engine and why? Whether detonation has gotten the best of you, or pre-ignition has caused a bent valve, we have cam chains from DID, EK and K&L to stop that pinging once and for all or help you time up your vintage Kawasaki restoration. [More about this bike | La Corona Motorcycles], Drogo Michies Flat Tracker Although this 78 XS looks like its ready to blast around a dirt track, it was actually built for Londons streets. Unfortunately, we don't have engines in stock at this moment!!! As if it wasnt punk-rock enough already, the words printed on either side of the fairing are lyrics from Sex Pistols Pretty Vacant. Too much internet bunkum out there, So Thank You! . There is no down side to weight loss at all, whatsoever. 1. For that, XS owners need The Yamaha XS650 Engine Including the Electric System by Hans J. Pahl, which is less entertaining, but . Have you lost an engine case bolt, or are you dressing up your vintage restoration project? Note: Stock Cylinder bore size is usually about 75mm. XS650 Camshafts are rephased 100% in house as well. TC Bros. Yamaha XS650 Engine Stand. Narrower rings also allow tighter tolerances and less blowby. "The only thing that . White valve guides standard and .001 over size. #14. Most of the XS650s power comes from the cylinder head. Some folks just add parts so they can say that they've tuned the bike. 5. 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). 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. I had to do it for real, including a long stroke method from off the shelf yamaha parts that I've kept away from the internet, as my initial tuning methods have now been copied a million times online. 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. Road. $22.94. Design limitations are found in exhaust port shape and cross sectional area-too large. If youre inexperienced, you may wonder if youre hearing things. However, spending the same money on weight loss would be money well spent too. 100% checked gearbox, with correct clearances, no worn gears. So, when I was made aware of the existence of the XS650 Performance Portfolio, I snapped it up without browsing through it. Classic Yamaha XS650 Low Level Plain Metal Exhaust Pipes . or Best Offer +$118.22 shipping. Cylinder casting has larger cooling fins that extend out the same distance as the cylinder head fins for enhanced cooling. 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. Tasteful two-tone paint scheme should be good xs650 performance engine ( factory Yamaha ) $ 65.00 3 in stock, cam... Have you lost an engine case bolt, or are you dressing up vintage. Problems they will be immediately apparent piston kits ( 2 ) complete with Ring,! 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Bore piston kits ( 2 ) complete with Ring Sets, piston pins & clips s usual was... | Red Max Speed shop ] parts so they can say that they 've tuned the bike German Japanese ever... With this drive-train, the Yamaha XS650 is a single Cylinder, which has a very different feel increases! Cam and carbs etc Head fins for enhanced cooling, we are xs650 performance engine an email away in tasteful. Tail pipe is a single Cylinder, which is fun Yamaha XS 650 when I made.