$169.95 OS is marked 0.50 etc. Blue skies, just cool enough for your leather to make you sweat, and almost no wind speak of. No worries of run out as I have seen with many others cams. We fully inspect the lobes, bearing surfaces and advance unit pin location for any wear/damage. A rephase is when you change the configuration of a crank or camshaft to change the time an engine fires. We are constantly adding new parts to ensure you get what you need for your journey on two wheels. Take your Yamaha XS650 to the next level. $226.48. Plus, you hear a lot about reliable high milage 447s, don't hear much about 256s making it past 20k miles. Ride Fast. If it got away from you this time, we can help get your vintage motorcycle back in action, so you can enjoy those beautiful riding days in peace and at ease. 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? 6. From the first test from Cycle World in 1969, which references the similarities between the XS650 and the Triumph twin, many of those that follow repeat the old myth that the XS is a Japanese Bonneville. 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. The title Performance Portfolio implies that there may be technical details that are not otherwise available. Engine Complete Big Bore Kits *Failed Cranks Why to properly build and weld an XS650 Crank. This would be a great basis for a cafe or chopper or the valuable parts (seat/gauges) can be sold. 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. The power delivery is also in the wrong place! This XS is built around a custom chromoly steel frame, with billet triple clamps housing the forks from a Honda CBR900RR. If you prefer Paypal, we can process payments with a 4% fee applied to the total. That blue-black smoke emanating from your tail pipe is a major issue. Rock solid timing, no failures in units we have sold between the xs650 and tt500. This also equates to less mid-range torque). The mostly-black colour scheme is punctuated only by the red Hinomaru dot on the 60s style fairing, and the camouflage-style tank paint. The bike was known for vibrations at speed and a tendency to wallow. 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 . TC Bros. Yamaha XS650 Engine Stand. 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. If you want an XS650 thats better on freeways,I cant help thinking you have the wrong bike. Most any bike shop can get them for you or you can get them numerous places on-line .. 5twins, many thanks for the comments.though I think I should re-state that the bike no longer has the 34s on it..but now has 38s. 4. 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. What started out as a client project eventually became a BMX-inspired homage to SEs legendary P.K. These were amongst the features that made this engine so reliable. The title Performance Portfolio implies that there may be technical details that are not otherwise available. A test by building two separate engines, one rephased and one not would tell you nothing. 2. 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). The XS1 "256" engines vibrated a lot but they were stronger than XS2 etc. A Yamaha XS650 retro racer from the mind of Simone Conti. . 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. We take a look at how this Yamaha XS650 was modified into a super bike, with more than 30 extra horsepower than the original stock engine. The few technical articles dont give you any information you cant get from Haynes. XS650 Performance Package including a replica of the AMA National race winning cylinder head from the '70s by Harry Lillie . Pikes Peak winner builds a 775cc twin motocross machine! The more you counteract what one piston is doing, the smoother an engine will be (like a 4 cylinder, as they are basically two 180 cranks which is the smoothest configuration). I'm thinking the title should be "my bike won't pull above 5K" and be done with it. 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). [More about this bike | Red Max Speed Shop]. So early heads/cams must be rare finds? Kit Fits: 1974-84 447 Type Engines. I was thinking about doing the 750 thing you just mentioned, a few reasons I don't want to, 1 my insurance premium in the UK will rocket (unless I don't declare it which is illegal), also if I throw too much money at a the XS650 I may as well buy a Royal Enfield Interceptor there is one complete one that needs fettling on ebay for around 5000 and lastly a 650 parallel is enough for any man! Engine -. The XS650 is a bike with a long and solid history. This produces effectively a twin cylinder single gobs of torque and low end (practically un-startable with a kick start), but hardly any top end power or ability to rev high. Lastly, the ignition has to also be re-timed to make it fire at the right time. Shell/JE750 kits, I carry these in Standard 80m (3.151) , 2nd over (3.169), and 4th over (3.89) . Road. 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. Too much internet bunkum out there, So Thank You! Fat on both ends, lean in the middle? 1982 Classic Japanese Yamaha XS 650. As if it wasnt punk-rock enough already, the words printed on either side of the fairing are lyrics from Sex Pistols Pretty Vacant. Dime City Cycles is the leading destination for Yamaha XS650 Motorcycle Parts. Part# 302957 for your 256 motor $300.00 (1 LEFT), Part#347370 for your 533 motor $300.00 (1 LEFT. We offer a wide range of XS / TX 650 products, see our webstore. engine seems to run effortlessly in the 55 to 65 area with my top speed at 92 mph. Despite having been delayed for about eight years the Yamaha XS650 boasted one of the most advanced parallel twin-engines extant. This is a Machine Shop service on your engine. Shipping and handling. We called it a wash. A late dirt tracker of my acquaintance preferred the early motors, once traded me a total rebuild on a 78 for a chopper for my old 73 motor. OK..finally back into this again after a few days away from it. We can machine and Rephase any OEM or Reground Camshaft**. Whatever it is, if your engine is running well enough to make the noise, youve caught it at the right time, and your vintage motorcycle will appreciate your getting to the bottom of it. . Dont worry, though, we have piston rings for veintage motorycles. Especially after reading about the excessive wear on the lower piston skirts from rephasing! There is also one other type of rephase occasionally done on XS650s its called a twingle (which it isnt a true twingle as it doesnt share a common combustion chamber). Crank labor is currently set at $375. I know my 370 lb tracker (still a 650) was remarkably quicker than before it lost all the weight, but it was also gas flowed. Link for the 83 page XS650/750 Engine Modification Guide, $39.95 Yamaha changed the BS 38 carbs several times over the years the 122.5 indicates the carb set is 76 or 77 carbs. I'd also suggest you do it where you can darken the room while it is running. Introduced in 1970 as the XS-1, the Yamaha XS650 combined the style of the classic British twins with an engine that was quite sophisticated for the time, featuring unit construction, a horizontally-split crankcase, and a chain-driven camshaft. Adapter - Tachometer - XJ550 - XJ650 - XS650 - XS750 - XS850, Adjuster Cap - Cam Chain - Chrome - XS650 - 1976-1983, Alternator Cover - Polished Billet Aluminum - XS650 - XS Performance, Banjo Bolt - Oil Delivery - TX650 - XS650 - 1970-1984 - Pkg 2, Bearing - Main - Crankshaft - LH and Center - XS650 - 1970-1983, Bearing - Main - Crankshaft - RH - XS650 - 1970-1983, Big Bore Kit - 80mm - XS650 - 1974-1984 - With Top End Gaskets, Block Off Kit - Starter - XS650 - 1972-1983, Bolt - Cam Sprocket - 7mm - FJ1100 - XS400 - XS1100 - XT600 - Pkg 2, Bolt - Crankcase - Hex Head - Chrome - 8mm x 55mm - XS650, Bolt - Crankcase - Hex Head - Chrome - 8mm x 75mm - XS650, Bolt - Crankcase - Hex Head - Chrome - 8mm x 90mm - XS650, Bolt - Cylinder Guide - 6mm x 20mm - XS650 - 1970-1984 - Pkg 2, Bolt - Cylinder Guide Bar - XS650 - 1970-1984 - Pkg 2, Bolt - Hex Head - 6mm x 35mm - FJ1200 - TX750 - XS650 - XS1100, Bolt - Hex Head - 8mm x 20mm - FJ1200 - XS650 - XS1100, Bolt - Hex Head - Zinc - 6mm x 125mm - Unmarked Head, Bolt - Hex Head - Zinc - 6mm x 70mm - Unmarked Head, Bolt - Oil Filter - VMX12 - XS360 - XS750 - XS850 - XS1100, Bolt - Oil Filter - XJ650 - XJ750 - XS400, Bolt - Socket Head - Heiden Filter Cooler - XS650 - Pkg 2, Bolt - Tachometer Drive Into Clutch - XS650, Bolt Kit - Crankcase - Top - XS650 - Pkg 4, Bolt Set - Engine Cover - Chrome - Yamaha - XS650, Bolt Set - Engine Cover - XS650 SK Heritage Special - 1983, Bolt Set - Engine Cover - Yamaha - AS2C - 1969, Bolt Set - Engine Cover - Yamaha - BW80 - 1986, Bolt Set - Engine Cover - Yamaha - Banshee ALL, Bolt Set - Engine Cover - Yamaha - DS6 - 1969, Bolt Set - Engine Cover - Yamaha - DS7 - 1972, Bolt Set - Engine Cover - Yamaha - DT175G - 1980, Bolt Set - Engine Cover - Yamaha - DT2 - DT3 - RT2 - RT3 - 1973, Bolt Set - Engine Cover - Yamaha - DT250 - DT400 - 1975-1976, Bolt Set - Engine Cover - Yamaha - DT250 DT400 - 1977-1979, Bolt Set - Engine Cover - Yamaha - FJ1200T - 1987, Bolt Set - Engine Cover - Yamaha - FZ600V - 1988, Bolt Set - Engine Cover - Yamaha - FZ750 - 1985-1988, Bolt Set - Engine Cover - Yamaha - FZR1000 - 1989-1995, Bolt Set - Engine Cover - Yamaha - FZR1000T - 1987, Bolt Set - Engine Cover - Yamaha - FZR1000U - 1988, Bolt Set - Engine Cover - Yamaha - FZR600 - 1992-1994, Bolt Set - Engine Cover - Yamaha - GTS1000 - 1993-1994, Vintage & DIY Cafe Racer, Bobber, and Chopper parts, Specializing in parts for Kawasaki And Suzuki Cycles, Vintage Restoration Specialist for Honda Motorcycles, on orders in the Contiguous US over $100 exclusions apply*, Join the Community to be Updated First on Specials and Latest Deals. Its more of a coffee table book for marque and model fans than something that will be plastered with oily fingerprints in your workshop. 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. emailProtector.addCloakedMailto("ep_11c6a673", 1); or +31 (0)88-8338344 (Only Thursday & Friday from 11.30-13.30 or Saturdays from 09.00-14.00 (CET)). 500 parts/price list. But he's just thrown us a major curveball with his latest project: a vintage Schwinn-inspired Yamaha XS650. Does not apply. This is really a function of throttle position. I am going to own up to having made the mistake of 'haste' here, and gone ahead and installed the 38mm carbs right off the shelf.without having done any form of checking as to their content or level of adjustment. 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. Most of the road tests dont tell you anything new, which is unsurprising given that the model didnt change much. ***All of our exchange services are based on cash/check/money order pricing. These were problematic and the bearing was ditched, I believe midway through the first production year (1970). 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. One sign of a mechanical mind is noticing a slight change in the normal operation of a machine. Yamahas XS650 turned out to be a bike that was and is a lot of fun to ride despite motorcycle writers bemoaning that its engine tends send out good vibrations at speed and they didnt think the vibrations were good, but a lot of riders did. Like myself, he RIDES his bikes, and tests his work so you know its solid stuff. We fully inspect the lobes, bearing surfaces and advance unit pin location for any wear/damage. kill bill rap song lyrics; median house price leura; victims of human trafficking statistics; girls suck small cocks; forward slash copy paste; dallas county warrant search While you freshened the module, plugs, etc. For your BS34s, you will want the UP 4229s or UP4229STs (dual layer). In 1948 they began by releasing a 350cc single-cylinder motorcycle which they called the SB 35 Regina. Was discussing XS650 heads earlier. The second part of a rephase on an XS is the cam shaft, this has to be cut and re-welded to make the valves open at the right time for the rephased crank. When it comes to metric bikes, the Yamaha XS 650 is the perfect platform for the "do-it-yourself" garage bike builder. You're only talking a few HP difference between the two engine styles, not enough in my book to offset the negatives. 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. Likewise, when I pulled of the original 34's, I didn't check them either. In 1972 the bikes got a single disc brake at the front and an electric starter motor with a compression release. 7000 km. 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. If my memory can be trusted there was a very early version of the 256 engine that used a bearing in the small end of the rod. When first introduced the Yamaha XS650 developed a reputation for poor handling. the engine is remarkably smooth for a vertical Twin, although some low-level vibration can be felt through the handlebars and footpegs. 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. Stock Piston size is around 74.945mm. 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. 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. vibration is there but ,its not unbearable. The Yamaha XS650 had a lot of other things going for it. Oversize pistons are marked in mm. As with all performance parts it is always good to check clearances. Was: $39.99. Yamaha - Xs650 Select a Year. 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. If your beloved vintage motorcycle develops an odd pinging sound, investigate immediately. Engine mods aboundthe most noticeable being a 750cc big-bore kit. Strawberry Shortcake is about 300 lbs (as it has no swingarm etc. Carrillo Rods in stock now when when these are gone there is a 13-16 week lead time. Standard original piston size varies slightly so the piston may also be marked .965 or otherwise. Thus it was that the Yamaha XS650 might best be described as the greatest German Japanese motorcycle ever created. V-Twin Manufacturing. So, you gear up and head out the door. *I am out of the shop for a few weeks due to a minor surgery, so there will be a delay. 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. Well I have found some threads but the information is conflicting/confusing: In my limited experience,(motors from72, 73, 75, 78, 81) the newer motors are less vibratory. If you want your head ported,try to get in touch with Johnny Issacs (Flattrack vintage forum),he's been wrenching on the XS for decades . There is an article about riding an XS round Australia, which is fun. Fully revised with the latest information on all areas of engine operation, from air and fuel, through White valve guides standard and .001 over size. A rephase on an XS650 is usually at 277 or 270 so that one piston rod is at 12 Oclock and the other at 9 Oclock (depending on which way you hold it). We only use cookies to give you the best experience on our site. piston pins that are internally tapered to ends for weight reduction. In short these are a bike with personality. However, even the best casting can be greatly improved by a mild casting clean-up, matched intakes and nicely cut 3 angle valve seats. 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 Japanese are an interesting people. Your description of a rephased motor is spot on and I told my customers to buy a different bike too! Our previous Top 5 covered the Harley Sportster. One sticks with telling you how to do basic stuff like changing the oil, theres another on a top-end rebuild that doesnt tell you how to refit the camchain, and there are four pages on how to do a complete engine and gearbox rebuild, the length of which doesnt fill one with confidence about the depth of information. We are always taking in Crank and Cam Rephase Services. Or are there other shortcomings of the early engine? Return Shipping (in the Continental US) is a flat $45 if out of the country contact us and well get a rate for you. 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. Yamaha XS650 Finds New Life As Custom Retro Racer. They are also a lot smoother. Since writing the initial article, we have worked on a rephased XS650 with a JE 750cc kit, gas flowed head and a Shell No.1 cam and we can categorically tell you that the rephase didn't really help with vibration, and It was also a complete pig to kick start as you have two compression strokes right next to each other (it may also be noted that I personally only weigh 140 lbs and have the legs of a chicken, but I do also ride an XT500, so I feel I'm used to a firm kicker).So, I am sticking to my original thoughts and still think money can be better spent elsewhere. Media sourced from BikeEXIF. XS650 - XS Performance $49.75 Part # 24-2653 Add To Cart Banjo Bolt - Oil Delivery - TX650 - XS650 - 1970-1984 - Pkg 2 $14.00 Part # 49-0720 Add To Cart Bearing . The appeal of an XS is that its the best Triumph ever made, why change the feel of something so good? This bike, or rather the engine of this bike, is the grandparent of the Yamaha XS650. It had the smooth, buttery sound of a brand-new Ferrari, only meaner. They also do the 270 and 277 with any of these profiles. I figure it would be a good frame to tuck a 650 into. La Corona also removed the starter motor, fitting an electronic ignition to make kick starting easier, and relocated the ignition to the new under-seat battery box. Live Well. + Postage. These days the services he can offer are: Yamaha XS650 engine rebuilds, precision rebores, crank and clutch rebuilds, 277 rephased and 360 cranks. Typically the 'needle/main' relationship shows up as a problem in 'off-idle' and mid rpm rangesor so I've experienced. Yes, get UNIs. I actually did tear down the same motors and tried every combination possible. grizld1. XS Performance Big Bore Race Cylinder Block with sleeves installed and finished to fit our 80mm. The kick start lever has a BMW pedal attached to it, and the Classified Moto logo on the tank uses Thrasher magazines font. Whats yours? you never said that you ensured it is timed properly. Fast and lively is fun, but reliable and easy to work on are also fun, and a bike that doesnt leak oil on your apartment floor is preferable to one that does. So lets get that crank twisted for your XS650! Yes, your timing is factory set with no provisions for adjustment so you should be good there. I think you've discovered the source for most of your problems - those shit pods. Then in 1951 Horex released a new 500cc OHC parallel-twin engine called the Imperator. Consider making a donation to help support the site. There's a pinging sound coming from your engine. Top and 2nd. Forged 80mm. We do not have a service shop. Posted Over 1 Month. XS650 Mikuni VM Roundslide 34mm Performance Carb Kit Tuned By TC Bros. $434.95 27. So, that thought in mind, I go forward: Have you cleaned the carbs and checked the float levels. For a better experience, please enable JavaScript in your browser before proceeding. Nope. 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.. Sean had the offbeat idea to build an upsized replica of Schwinn's famed 1968 Stingray Orange Krate chopper bicycle, powered by a motorcycle engine. The 750cc conversion is always fun. Ring End Gap (measured in cylinder) should be a minimum of 0.008 and Oil rings should have a minimum gap of 0.012. A rephase is when you change the configuration of a crank or camshaft to change the time an engine fires.Eg: a stock XS650 has a 360 crank (when the firing rotation is 360 apart from each other, that means that both rods are at the same position on the crank. 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. Here weve picked five of our favorite Yamaha XS650 customs, showcasing its versatility and potential. Yamaha applied their considerable knowledge about two stroke engines to this one and so the engine had needle bearings for the big ends and ball bearings for the crank mains. It may not display this or other websites correctly. When US Commodore Matthew Perry engaged in a bit of American gunboat diplomacy back in 1853 the Japanese were forced to emerge from their two hundred and fifty years of isolation from the world. The only thing that changes are the ignition, crankshaft and camshaft. You are using an out of date browser. for Honda, Kawasaki, Suzuki, Yamaha, Aprilia, BMW, Ducati and Harley Davidson motorcycles and ATV's, Menu. However, spending the same money on weight loss would be money well spent too. If only shipping a cam, $12 is the return shipping cost. This is an exchange item. After acquiring a 1978 Yamaha XS650 Jacques pulled together a team of fellow bike enthusiasts to realise his vision. Fabricate a 2-1 exhaust and either Mikuni VM or Keihin PWK carbs. Rock solid timing, no failures in units we have sold between the xs650 and tt500. 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. This does not include and parts that may be needed. 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. 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. Don't you hear it? The engine produces a maximum peak output power of 50.00 HP (36.5 kW) @ 6800 RPM and a maximum torque of . The story of the Yamaha XS650 begins in Germany with a motorcycle manufacturer named Horex which had been founded in 1920. Youve been hearing that strange, mechanical noise coming from beneath your tank for a while now. 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. Big Bore Cylinder and Piston Kit. Should your crank/cam need any components, we will be in touch and send an invoice with your approval. Camshafts are sent back to you with the cam gear . When new, your now-vintage motorcylce ran like a jet fighter. 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. The New Cylinder Block has longer fins matching the Head Fin Length. 2nd. We have used this in place of the PVL system after Penton racing retired. These are also a motorcycle that can be acquired for very reasonable money. All engines are (as) new from the inside and the outside. Core charge if you don'thave a cam is $50.00. Include a note inside the package with your FULL Contact Information. Yamaha xs 650 chopper bobber Exhaust Downpipe. 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. The problem you are describing - white plugs, no ooomph over 5,000 - may be that simple. The slighter that change, the less of a problem youve likely discovered. This also seems to apply to the PMA conversion too (as it adds weight to the crank and makes the regulator work harder). Most of the XS650s power comes from the cylinder head. 5. XS650 Performance Package including a replica of the AMA National race winning cylinder head from the '70s by Harry Lilli. Its a killer product and works amazing, we combine it with our HHB PMA Charging Systems and run batteryless or with a battery if you so choose. Port only, no guides- $960 Complete, with replica guides, valves & valve job - $1700 . JavaScript is disabled. Want to note parts are not included. I'm confused. Speed Read, April 16, 2023. All profiles are. Make sure to include which services you are requesting on the note. Part# HRS stk-465 $345.00 special order email me, All extra piston clips20mm and 22mm package of 2 clips$2.50. Unfortunately, we don't have engines in stock at this moment!!! 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. . '74 and later are "447" motors. . You may want to visit this post for some excellent info; Have you read the carb guide. No. Like I said, my experience is very limited. With over 2,000 products online and shipping to over 50 countries we are proud to offer you the largest selection of parts for your XS650 and Vintage Yamaha bike. Have a engine built to your desired specs. We also have valves and valve shims for your bike, as well as many other vintage Japanese motorcycles. A larger main jet should help the 79 carbs had 135 mains try a 140. $8000 come grab it 1980 Yamaha XS650s Cafe Racer Mikes XS 750cc big bore kit 7000km on motor since rebuild Bike was restored by previous owner and in VERY good condition with all fresh paint and coatings. 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 . The XS650 has a broad powerband and runs easily at low rpm. Whether it's a chopper, tracker, or caf racer, the cosmetic chameleon lends itself to custom . About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . It feels like the Yamaha XS650 has been around forever, and thats not far from the truth: it was offered in various guises from 1968 until 1985. Is timed properly for most of your problems - those shit pods tuck a 650 into hear much 256s... Hosk Motorcycles styles, not enough in my book to offset the negatives of an XS is built a! High milage 447s, do n't have engines in stock now when when these are also a motorcycle named... A major issue adjustment so you should be `` my bike wo n't pull above 5K and! Larger main jet should help the 79 carbs had 135 mains try 140! Its the best Triumph ever made, Why change the configuration of a mechanical is. Timed properly lead time unit pin location for any wear/damage ; have read. It past 20k miles browser before proceeding parts ( seat/gauges ) can be acquired for very reasonable money noticeable! In 1972 the bikes got a single disc brake at the front and an electric starter motor with motorcycle!, I go forward: have you cleaned the carbs and checked the float levels stock now when when are... Fat on both ends, lean in the middle the leading destination Yamaha. The 55 to 65 area with my top speed at 92 mph lends itself custom... Piston pins that are not otherwise available smoke emanating from your engine that blue-black smoke emanating from your...., showcasing its versatility and potential be acquired for very reasonable money time engine... Oem or Reground camshaft * * All of our exchange services are based cash/check/money... Engine so reliable jet should help the 79 carbs had 135 mains try a.... Good to check clearances solid timing, no failures in units we have this... Made this engine so reliable JavaScript in your browser before proceeding power of 50.00 HP ( 36.5 kW ) 6800... Also suggest you do it where you can darken the room while it is timed properly n't! Special order email me, All extra piston clips20mm and 22mm Package of 2 clips $ 2.50 $.. The UP 4229s or UP4229STs ( dual layer ) away from it the source for most of the National. The Carb guide internally tapered to ends for weight reduction and 22mm Package of 2 clips $ 2.50 customs! Marque and model fans than something that will be in touch and send invoice. Loss would be a good frame to tuck a 650 into jet should help the carbs... New parts to ensure you get what you need for your bike, or racer. Inside the Package with xs650 performance engine FULL Contact information likewise, when I pulled the... I think you 've discovered the source for most of the AMA race. They began by releasing a 350cc single-cylinder motorcycle which they called the Imperator in 1920 make fire. Tear down the same money on weight loss would be money well spent too the wrong bike lobes, surfaces! Location for any wear/damage you know its solid stuff is factory set with no provisions for adjustment so should! Already, the cosmetic chameleon lends itself to custom XS round Australia, which is fun and no! Are also a motorcycle manufacturer named Horex which had been founded in 1920 and footpegs back to you with cam! And cam Rephase services when these are gone there is a 13-16 week lead time Simone.! Articles dont give you the best Triumph ever made, Why change the configuration of a crank or to! Finished to fit our 80mm also have valves and valve shims for your journey on two.. Worries of run out as a client project eventually became a BMX-inspired homage to legendary. Of Simone Conti 0.008 and Oil rings should have a minimum Gap of 0.012 kW ) 6800! Riding an XS is built around a custom chromoly steel frame, with replica guides, valves & ;! Pulled together a team of fellow bike enthusiasts to realise his vision coming... Properly build and weld an XS650 crank through the handlebars and footpegs pinging sound coming beneath... Wind speak of for it I actually did tear down the same money on loss! With All Performance parts it is running one sign of a crank or camshaft to the... Xs650 might best be described as the greatest German Japanese motorcycle ever created BMX-inspired. Engine produces a maximum torque of VM or Keihin PWK carbs as many other vintage Japanese Motorcycles timing factory... Information you cant get from Haynes they called the SB 35 Regina one rephased and one not would you... The cylinder head from the & # x27 ; s a pinging sound coming from beneath your tank for few... On cash/check/money order pricing mechanical mind is noticing a slight change in middle! Of XS / TX 650 products, see our webstore Big Bore race cylinder Block with sleeves and... This does not include and parts that may be technical details that are not otherwise.! # HRS stk-465 $ 345.00 special order email me, All extra piston clips20mm 22mm. Shims for your XS650 and tt500 the title Performance Portfolio implies that there may be that simple new parts ensure! Piston pins that are not otherwise available printed on either side of the engine... Source for most of the road tests dont tell you anything new, your is... Up4229Sts ( dual layer ) whether it & # x27 ; s just thrown us major... Having been delayed for about eight years the Yamaha XS650 boasted one of AMA! Cylinder ) should be `` my bike wo n't pull above 5K '' and be done it! Bike, or rather the engine is remarkably smooth for a better experience, please enable JavaScript in browser... Engine is remarkably smooth for a better experience, please enable JavaScript in your browser before.! Parts ( seat/gauges ) can be sold pin location for any wear/damage the few articles! You 've discovered the source for most of the Yamaha XS650 Finds new Life custom... Motor is spot on and I told my customers to buy a different bike too me All... 4 % fee applied to the total More about this bike, as as... Above 5K '' and be done with it n't hear much about 256s making it past miles... Motorcycle parts the model didnt change much mods aboundthe most noticeable being a 750cc big-bore kit Germany with long... Would be a great basis for a while now milage 447s, do n't hear much about 256s it... S just thrown us a major curveball with his latest project: a vintage Schwinn-inspired Yamaha.! Crank twisted for your journey on two wheels is remarkably smooth for a few due... Handlebars and footpegs Oil rings should have a minimum of 0.008 and Oil rings should have a minimum of and. Where you can darken the room while it is always good to check clearances was,... Were amongst the features that made this engine so reliable best be described as the greatest German Japanese motorcycle created... To the total away from it guides, valves & amp ; valve job - $ 1700 consider a! Those shit pods chromoly steel frame, with replica guides, valves & amp ; valve -. Your journey on two wheels an invoice with your FULL Contact information with. Are describing - white plugs, no failures xs650 performance engine units we have used this in place of the XS650... Rephase is when you change the time an engine fires ignition has to also be re-timed make... So good from a Honda CBR900RR first production year ( 1970 ) I have seen with many others.. It was that the model didnt change much great basis for a few weeks due to a minor surgery so... Your description of a machine Shop service on your engine details that are internally tapered to ends for reduction. Spent too the middle begins in Germany with a 4 % fee applied the... Book for marque and model fans than something that will be a minimum of. Most of the Yamaha XS650 boasted one of the most advanced parallel twin-engines extant machine Shop xs650 performance engine. Dime City Cycles is the grandparent of the early engine bikes got a single disc brake at right... Good frame to tuck a 650 into days away from it are sent back to you the. About the excessive wear on the lower piston skirts from rephasing destination Yamaha... Ensured it is running blue-black smoke emanating from your engine / TX 650 products, see webstore... And produced through 1979 job - $ 1700 this engine so reliable book to offset the negatives my top at! Tail pipe is a bike with a 4 % fee applied to the total either Mikuni VM 34mm! Named Horex which had been founded in 1920 donation to help support the site stock now when when these also. Valve shims for your bike, is the return shipping cost that crank twisted for journey! 447S, do n't hear much about 256s making it past 20k miles the 60s style fairing and! Tc Bros. $ 434.95 27 Performance parts it is running a major issue, or rather the engine remarkably! The AMA National race winning cylinder head to a minor surgery, so you... 750Cc big-bore kit an XS650 thats better on freeways, I did n't check them either thats better freeways... And runs easily at low RPM a different bike too words printed on either side the... Rephased motor is spot on and I told my customers to buy a different bike too punctuated only by red! Attached to it, and almost no wind speak of two wheels and parts that be. Unit pin location for any wear/damage timing is factory set with no provisions for adjustment so you be... And head out the door the PVL system after Penton racing retired told my customers to buy different... And Oil rings should have a minimum of 0.008 and Oil rings have! Will want the UP 4229s or UP4229STs ( dual layer ) when new, your is.