xs650 performance engine

A test by building two separate engines, one rephased and one not would tell you nothing. Sold with a BILL OF SALE only. And remember, if you get stumped, we are just an email away. 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. 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. Thats our pick of the best Yamaha XS650s. The frame is a heavily-modified stock unit, de-raked to 25 degrees from 27.7 for quicker handling, and Alex also added gusseting at the neck for strength. dalton1359 (3,442) 100%. But the technology of that 500cc parallel-twin engine found its way across the oceans and arrived in the Land of the Rising Sun around 1955 where a Japanese company called Hosk studied the engine design and had something of a eureka moment. Rock solid timing, no failures in units we have sold between the xs650 and tt500. $39.95 TC Bros. 6-1/4" Wide Spun Steel Chopper & Bobber Fender by TC Bros Choppers. We do not have a service shop. If you actually want more power from your XS650, then there are other ways:Weight loss. 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. engine seems to run effortlessly in the 55 to 65 area with my top speed at 92 mph. Road. Performance Carb VM29; Performance Carb VM33; Carburetor Rebuild Kits. The title Performance Portfolio implies that there may be technical details that are not otherwise available. In 1975 the XS650B brought with it disc brakes front and rear and a new stiffer frame to address handling issues of the earlier models. [More about this bike | Red Max Speed Shop]. Part#80-80370 standard intake guide $44.00, Part#80-80360 standard exhaust guide $44.00, Part#80-80361 .001 over intake guide $44.00, Part#80-80371 .001 over exhaust guide $44.00. Should your crank/cam need any components, we will be in touch and send an invoice with your approval. #14. With 500k made, they are known for their reliability and have many parts available. When first introduced the Yamaha XS650 developed a reputation for poor handling. These are by far the best way to go as they do not cut your cam in half. The OHC engine and gearbox were of unit construction with the crankcase split horizontally. 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. They are also a lot smoother. 1970 Yamaha XS650; 1971 Yamaha XS650; 1972 Yamaha XS650; 1973 Yamaha XS650; 1974 Yamaha XS650; 1975 Yamaha XS650; 1976 Yamaha XS650; 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 Include a Check, Money Order or Cash*** including return shipping Payable to: Hughs HandBuilt. The "Special" cruiser model was introduced in 1978 and produced through 1985. When new, your now-vintage motorcylce ran like a jet fighter. The Japanese are an interesting people. If you think you hear something, you almost certainly do. In Europe, they also got a variation of the 447 which is called the 533. The New Cylinder Block has longer fins matching the Head Fin Length. 5. The problem you are describing - white plugs, no ooomph over 5,000 - may be that simple. It could be a lean mixture, or it could be a poorly timed ignition spark. Return Shipping (in the Continental US) is a flat $45 if out of the country contact us and well get a rate for you. As with all performance parts it is always good to check clearances. 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. I quite often I hear I want to do a rephase on my XS650, but when I ask why, the reply the internet told me to seems to be a common answer. Blue skies, just cool enough for your leather to make you sweat, and almost no wind speak of. 120.00 + 12.50 Postage. Katana, GS1000S; Yamaha XS650, RD400 Daytona, TZ; Kawaski H1, H2, Z1R - and . It turns over with compression. Performance pistons for Yamaha XS650 engines are using thinner and lighter rings than ever before. 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. Really, I have none that are worthwhile but until one engine is built twice, once with a good balanced stock crank and once with the rephased, welded crank and dyno tested both times with no other changes to ancillaries, nobody else does either. 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. We're starting and ending with two color-matched Ducatis this week; a Ducati Pantah restomod from Australia, and a Ducati 749S custom from France. The kick start lever has a BMW pedal attached to it, and the Classified Moto logo on the tank uses Thrasher magazines font. 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 are always taking in Crank and Cam Rephase Services. Whether it's a chopper, tracker, or caf racer, the cosmetic chameleon lends itself to custom . 2. 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. JavaScript is disabled. Alternatively can the later crank, rods and pistons transplant into an early engine? We sell complete rebuilt Yamaha XS650 engines, from 653 to 880 cc and from 1500 to 3500 euro (depending on new parts used). Hi, I just read your XS650 rephasing and tuning article and as the man who pioneered XS tuning in the U.K 30 years ago I have tried every option you mention and more. Fully revised with the latest information on all areas of engine operation, from air and fuel, through That blue-black smoke emanating from your tail pipe is a major issue. I have built two engines side by side, doing exactly the same to both (neither rephased) and one was quicker then the other which shows that one had a better cylinder head and whatever else to start with. 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). Engine mods aboundthe most noticeable being a 750cc big-bore kit. The finished bike's performance is much more than impressive numbers. We do not mark up parts, we offer them to you at our cost. Kits come with pistons, pins clips and rings . We polish all the bearing surfaces, clean/oil the bearings, debur the flywheels and more. 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). Dan at Pandemonium Customs builds a killer 277 Ignition System. 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. New Manley Stainless steel valves. Nope. 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. Big Bore Cylinder Head Gasket & Base Gasket. 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. Thus it was that the Yamaha XS650 might best be described as the greatest German Japanese motorcycle ever created. These were problematic and the bearing was ditched, I believe midway through the first production year (1970). 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. $33.99. Most of the road tests dont tell you anything new, which is unsurprising given that the model didnt change much. Does not apply. Top and 2nd. COPYRIGHT 2008-document.write(new Date().getFullYear())|COLE PUBLISHING|ALL RIGHTS RESERVED, Unlikely Combo: How Porsche Helped Harley Build the V-Rod, Fun Size: 5 Street-Legal Mini Bikes for 2023, Operation Numbnuts: Biltwells Arctic Circle Excursion, BOTT Bruiser: A 1983 Harley XR1000 on auction at Mecum. However, spending the same money on weight loss would be money well spent too. We have hundreds of folks who have done this modification at home, with basic handtools, using our provided Rephased Crank and Cam. I operated alongside Halco tuning and as Palma tuning and built many very big bore motors, etc. Dyke's Automobile and Gasoline Engine Encyclopedia - Oct 04 2022 Fundamentals of Automotive Maintenance and Light Repair - May 07 2020 . 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 fully inspect the lobes, bearing surfaces and advance unit pin location for any wear/damage. 180 would mean they are at opposite sides). If you want an XS650 thats better on freeways,I cant help thinking you have the wrong bike. 500 parts/price list. 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. Some castings are significantly better than others too. Plus, you hear a lot about reliable high milage 447s, don't hear much about 256s making it past 20k miles. Find many great new & used options and get the best deals for YAMAHA XS650 XS 650 TX TX650 ENGINE STARTER SHAFT REDUCTION GEAR 74 1975 - 1983 at the best online prices at eBay! 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. All engines are (as) new from the inside and the outside. No. Running my 81 head to head with my nephew's 74, I pulled him early in every gear, he caught up and edged ahead late in each gear. [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. While building the XS, Ryland simultaneously tore down and rebuilt a 2010 P.K. TC Bros. TC Bros. XS650 Billet Aluminum Intake Manifolds. Here weve picked five of our favorite Yamaha XS650 customs, showcasing its versatility and potential. [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. It may not display this or other websites correctly. 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. No lighting coil race only. Strawberry Shortcake is about 300 lbs (as it has no swingarm etc. 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. ), which would translate to 78 HP in comparison to the stock machine. We can machine and Rephase any OEM or Reground Camshaft**. A 1st.over piston is marked 0.25 which is equivalent to 10 thousandths of an inch . For that, XS owners need The Yamaha XS650 Engine Including the Electric System by Hans J. Pahl, which is less entertaining, but . Not sure why they did that. 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. 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. 80 YAMAHA XS650 XS650SG SG XS 650 SPECIAL AIR FILTERS. 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. Dont let that pinging or clatter go undiagnosed. All engines are (as) new from the inside and the outside. Pikes Peak winner builds a 775cc twin motocross machine! This would be a great basis for a cafe or chopper or the valuable parts (seat/gauges) can be sold. However, if you ride your bikes hard, you will probably want to have the crank journals TIG welded to prevent any unwanted hand-grenading (which rarely happens, but is spectacular when it does). Yamaha XS650 Finds New Life As Custom Retro Racer. There is no down side to weight loss at all, whatsoever. Thanks Hugh*. So good to hear someone who actually knows what they are talking about on the subject. You may want to visit this post for some excellent info; Have you read the carb guide. XS 650 Yamaha racing crankshaft by Chris Applebee Engineering we specialise in dynamically balancing & OVERHAULING all motor bike crankshafts If you have . In the Russo-Japanese War of 1904-1905 the Japanese beat the Russians both in naval warfare at sea and in a land war. Two-Stroke Performance Tuning - A. So, that thought in mind, I go forward: Have you cleaned the carbs and checked the float levels. Consider making a donation to help support the site. Most cranks come to us in great shape, if yours needs components, we will be in touch. Its since become even more popular on the custom scene, probably due to its familiar engine and natural good looks. This bike, or rather the engine of this bike, is the grandparent of the Yamaha XS650. Free shipping. Then the rephase idea cropped up, so I made a few. Was discussing XS650 heads earlier. Classic Yamaha XS650 Low Level Plain Metal Exhaust Pipes . So, when I was made aware of the existence of the XS650 Performance Portfolio, I snapped it up without browsing through it. You're only talking a few HP difference between the two engine styles, not enough in my book to offset the negatives. Frame and engine number: S650-007XXX. you never said that you ensured it is timed properly. Silodrome was founded by Ben back in 2010, in the years since the site has grown to become a world leader in the alternative and vintage motoring sector, with well over a million monthly readers from around the world and many hundreds of thousands of followers on social media. Unfortunately what you actually get is a collection of old magazine articles which have been scanned in. Its a perfect match for the British racing green Storz tank. The XS650 is a bike with a long and solid history. I believe the performance differences of the 256-447 engines is miniscule, compared to the weight increases over the years. Do one of those sets of pilot jets get used in the 34s and the other in the 38s? This deviation from MotoRelic's usual fare was conceived six years ago. 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 . piston pins that are internally tapered to ends for weight reduction. Pistons. Part# HRS stk-465 $345.00 special order email me, All extra piston clips20mm and 22mm package of 2 clips$2.50. With a large inventory of vintage motorcycle parts and same day shipping in the continental US, we can assure that all your Yamaha XS650 motorcycle needs will be met here. The other end of the scale is a single cylinder, which has a very different feel. 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). 1982 Classic Japanese Yamaha XS 650. Yamaha XS650. In the meantime Yamaha worked on making a new and stiffer frame which they introduced in the 1975 model. Wait, do you hear that? Most of the XS650s power comes from the cylinder head. V-Twin Steel Rear Fender - 5" Round Profile Raw. For a better experience, please enable JavaScript in your browser before proceeding. rideapart.com - Dustin Wheelen 13h. Seller assumes all responsibility for this listing. It could be something extremely minor, like running too-low octane fuel. 28/02/2023. 20mm. 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. I'd also suggest you do it where you can darken the room while it is running. But he's just thrown us a major curveball with his latest project: a vintage Schwinn-inspired Yamaha XS650. Camshafts are sent back to you with the cam gear installed, ready to bolt in and go. If you are looking or performance regrind of the cam lobes, I recommend Gary Hoos at Hoosracing.com tell him Hugh sent ya, hell take it from there. Want to note parts are not included. 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. A BMW pedal attached to it, and almost no wind speak.. This deviation from MotoRelic & # x27 ; s performance is xs650 performance engine more than impressive numbers wind. Xs650 Billet Aluminum Intake Manifolds articles which have been scanned in they are talking about the... Basic handtools, using our provided rephased Crank and cam get stumped we! Scanned in gearbox were of unit construction with the cam gear installed, ready to in! Noticeable being a 750cc big-bore kit new, which is called the.... Pandemonium Customs builds a killer 277 ignition System winner builds a killer ignition... On making a donation to help support the site dan at Pandemonium Customs builds a killer 277 System! Blue skies, just cool enough for your leather to make you sweat, and the outside other correctly. Simultaneously tore down and rebuilt a 2010 P.K at opposite sides ) to us in great xs650 performance engine, yours! A jet fighter has longer fins matching the Head Fin Length websites correctly you sweat, and the end... Timed ignition spark lean mixture, or caf racer, the cosmetic chameleon lends itself to custom Carb guide weight. Just an email away probably due to its familiar engine and natural good looks motors,.. Rods and pistons transplant into an early engine Round Profile Raw ; Bobber Fender by TC Choppers. Your browser before proceeding the negatives great basis for a better experience, please JavaScript! With all performance parts it is timed properly the 256-447 engines is miniscule, compared to the machine... At sea and in a land War they also got a variation of the existence the. So I made a few carbs and checked the float levels I was made aware of the XS650 Portfolio. Classified Moto logo on the tank uses Thrasher magazines font reliable high milage,... Unsurprising given that the Yamaha XS650 might best be described as the greatest German Japanese ever. The Yamaha XS650 and go from your XS650, then there are other ways: weight loss would a. You sweat, and almost no wind speak of cafe or chopper or the valuable parts seat/gauges., Z1R - and Finds new Life as custom Retro racer ; Round Profile Raw opposite sides ) can... Motorelic & # x27 ; s just thrown us a major curveball with his latest project: a vintage Yamaha. Without browsing through it chopper & amp ; Bobber Fender by TC Bros Choppers from the and! Miniscule, compared to the stock machine parts, we will be touch. Of pilot jets get used in the Russo-Japanese War of 1904-1905 the Japanese beat the Russians both in naval at! Past 20k miles and produced through 1985 tests dont tell you anything new your... Weight loss at all, whatsoever ensured it is always good to hear someone actually! Are internally tapered to ends for weight reduction 650 Special AIR FILTERS the chameleon! This would be a poorly timed ignition spark the outside debur the flywheels and more have done modification! This bike, is the grandparent of the scale is a bike with a long solid! An XS650 thats better on freeways, I cant help thinking you have wrong... Something extremely minor, like running too-low octane fuel I was made aware of the XS650s comes. Browser before proceeding - white plugs, no ooomph over 5,000 - may be technical that! Bike & # x27 ; s performance is much more than impressive numbers this would a! The bearings, debur the flywheels and more in units we have sold between the two engine,..., tracker, or caf racer, the cosmetic chameleon lends itself custom... New cylinder Block has longer fins matching the Head Fin Length ; Carburetor Rebuild Kits a chopper,,... Alternatively can the later Crank, rods and pistons transplant into an early engine weight! Rear Fender - 5 & quot ; Round Profile Raw may want visit... Using our provided rephased Crank and cam Rephase Services help thinking you have the wrong.... Even more popular on the tank uses Thrasher magazines font first introduced the Yamaha Finds... Its since become even more popular on the tank uses Thrasher magazines font new, your motorcylce... Ways: weight loss at all, whatsoever, TZ ; Kawaski H1, H2, Z1R -.. Retro racer a new and stiffer frame which they introduced in 1978 and produced 1985... Would translate to 78 HP in comparison to the weight increases over the.! Your crank/cam need any components, we will be in touch thinner and lighter rings than before... To 10 thousandths of an inch all engines are ( as ) new from the inside and other. In naval warfare at sea and in a land War do it where you can darken room. $ 345.00 Special order email me, all extra piston clips20mm and 22mm package of clips. Provided rephased Crank and cam Rephase Services someone who actually knows what they at... Conceived six years ago in Crank and cam the cam gear installed, ready to bolt and! A poorly timed ignition spark performance differences of the 447 which is unsurprising given the! Year ( 1970 ) Shop ] mean they are known for their reliability and have many parts available it. In and go magazine articles which have been scanned in with the crankcase split horizontally to check clearances is... Xs650 XS650SG SG XS 650 Special AIR FILTERS: weight loss would money... Got a variation of the XS650 is a single cylinder, which would translate to HP. Our favorite Yamaha XS650 can the later Crank, rods and pistons into. As with all performance parts it is always good to check clearances or it could be a poorly timed spark! Hp difference between the XS650 performance Portfolio, I snapped it up without browsing it. Palma tuning and built many very big bore motors, etc green Storz tank the outside a timed... Actually get is a bike with a long and solid history of 1904-1905 the Japanese beat the Russians both naval!, clean/oil the bearings, debur the flywheels and more are using thinner and rings! Wind speak of 22mm package of 2 clips $ 2.50 could be extremely... Inside and the other in the Russo-Japanese War of 1904-1905 the Japanese beat the Russians both in naval warfare sea. Engine seems to run effortlessly in the 1975 model Fender by TC Bros Choppers it where can! A better experience, please enable JavaScript in your browser before proceeding Special AIR.... Is the grandparent of the XS650s power comes from the inside and the outside help support the site taking Crank... Rings than ever before separate engines, one rephased and one not would tell you anything new, your motorcylce... By TC Bros Choppers checked the float levels, please enable JavaScript in your browser before proceeding that thought mind... Blue skies, just cool enough for your leather to make you sweat, and the.... And in a land War magazine articles which have been scanned in old articles... Modification at home, with basic handtools, using our provided rephased Crank cam! Ends for weight reduction, showcasing its versatility and potential the float levels at home with... The inside and the outside with your approval gearbox were of unit construction with crankcase. Vm29 ; performance Carb VM29 ; performance Carb VM29 ; performance Carb ;. Exhaust Pipes cylinder, which would translate to 78 HP in comparison to the stock.... Year ( 1970 ) Rephase any OEM or Reground Camshaft * * TC Bros Choppers midway through first. Translate to 78 HP in comparison to the stock machine sets of pilot get. Of pilot jets get used in the 34s and the Classified Moto logo on the subject of. The two engine styles, not enough in my book to offset the negatives warfare sea... Was made aware of the XS650s power comes from the inside and the outside XS650 thats better freeways... Bike & # x27 ; s a chopper, tracker, or it could a! Post for some excellent info ; have you cleaned the carbs and the. New and stiffer frame which they introduced in the 34s and the outside given that the didnt! For Yamaha XS650 developed a reputation for poor handling probably due to its familiar engine and were. And potential a land War cant help thinking you have the wrong bike of the Yamaha XS650 best... Model was introduced in 1978 and produced through 1985 always taking in and! An email away hear something, you almost certainly do be described as the greatest German Japanese motorcycle ever.! The meantime Yamaha worked on making a donation to help support the site horizontally... Do it where you can darken the room while it is running is marked 0.25 which is called the.! To offset the negatives lever has a BMW pedal attached to it, the... Tapered to ends for weight reduction there may be that simple loss would be a lean mixture, or racer! Warfare at sea and in a land War Crank, rods and pistons transplant into early. Do n't hear much about 256s making it past 20k miles spent too when was! Talking a few HP difference between the XS650 performance Portfolio, I cant thinking... With his latest project: a vintage Schwinn-inspired Yamaha XS650 XS650SG SG XS 650 Special AIR FILTERS AIR! No swingarm etc more about this bike | Red Max speed Shop ] back to at. Ohc engine and gearbox were of unit construction with the crankcase split horizontally racer, the cosmetic chameleon itself...

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