xs650 performance engine

you never said that you ensured it is timed properly. We do not mark up parts, we offer them to you at our cost. We offer his kits in our store, or you modify an existing points ignition to run the rephased crank and cam. Powered by Gasoline and Caffeine. http://www.xs650.com/forum/showthread.php?t=43, http://www.amazon.com/Uni-Filter-UPref=lh_ni_t?ie=UTF8&psc=1&smid=A1TFBK3C7LO58P, http://www.amazon.com/Uni-2-Stage-S413919174&sr=1-2&keywords=uni+filter+up4229st. If you want an XS650 thats better on freeways,I cant help thinking you have the wrong bike. Carb theories. '74 and later are "447" motors. Was discussing XS650 heads earlier. The slighter that change, the less of a problem youve likely discovered. As with all performance parts it is always good to check clearances. (1 set left), Part#05118nfor 447 motors$685.00 ( a par) (2 sets left). 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. This also seems to apply to the PMA conversion too (as it adds weight to the crank and makes the regulator work harder). If only shipping a cam, $12 is the return shipping cost. 36MM EXHAUST VAVLE, $52.00 (SOLD OUT). Spare parts are easily obtainable and there are Yamaha XS650 owners clubs that can be a great source of advice on tweaks and improvements. It was built for the 2013 Yokohama custom show in An-Bus signature stylepart Mad Max, part Tokyo street culture. . This is an exchange item. Yes, get UNIs. Of course you can, but you've stopped paying attention. *Failed Cranks Why to properly build and weld an XS650 Crank. 2018-2022 Heiden Tuning | Powered by SKRN B.V. - all rights reserved. Part# 256LRfor256 long rods motors $685.00 (a par) . Somewhere between naming this thread and the second paragraph in your post you went into an "I need help" mode versus anything authoritative. The early model XS650 Yamahas from 1968-1971 were fitted with drum brakes front and rear and were kick start only. 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. As with all performance parts it is always good to check clearances. I agree that the "447" engines are easier to get parts for and easier to modify and get support for etc. Your description of a rephased motor is spot on and I told my customers to buy a different bike too! Brand New. 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. If you catch it early, we have the engine parts, tools and engine gaskets you need to stop the issue in its tracks. 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. The appeal of an XS is that its the best Triumph ever made, why change the feel of something so good? I don't mean to sound like a broken record but reading the Carb Guide should answer just about every question you've asked. Classic Yamaha XS650 Low Level Plain Metal Exhaust Pipes . Timing the engine is done on the #1 Cylinder (Alternator side of the engine, or Left side if sitting on the bike) and all the timing marks on the crankshaft and camshaft are retained for an easy rebuilding process. Live Well. 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? Thanks Hugh*. Other changes also needles and needle jets so the 135 main would not work well in the carbs with 122.5 main. If youre inexperienced, you may wonder if youre hearing things. Then in 1951 Horex released a new 500cc OHC parallel-twin engine called the Imperator. 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. Hugh's HandBuilt I figure it would be a good frame to tuck a 650 into. For the uninitiated what is the best year of XS650 engine and why? Top and 2nd. Camshafts are sent back to you with the cam gear installed, ready to bolt in and go. 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 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. Shell#1 camshaft, best all around cam for track or street. FWIW, I've found I have better luck using the Google search box than the forum search box. The engine produces a maximum peak output power of 50.00 HP (36.5 kW) @ 6800 RPM and a maximum torque of . Yamaha changed the BS 38 carbs several times over the years the 122.5 indicates the carb set is 76 or 77 carbs. Theres also a full custom exhaust system, and the engines been bored out, had its compression raised and been tuned for maximum torque. Its a perfect match for the British racing green Storz tank. Have a engine built to your desired specs. . The 2into 1 usually needs a jet change. Using on my 1979 Yamaha XS650 to check RPM, Dwell, and Timing. Its subtle, but its definitely there. Thats our pick of the best Yamaha XS650s. They are also a lot smoother. Dont let that pinging or clatter go undiagnosed. 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). Sold with a BILL OF SALE only. We like the 250-30 for our flat track 70hp motors. **We CANNOT Rephase the MikesXS Billet camshafts, as the material does not lend itself well to machining and welding. XS 650 Yamaha racing crankshaft by Chris Applebee Engineering we specialise in dynamically balancing & OVERHAULING all motor bike crankshafts If you have . It could be something extremely minor, like running too-low octane fuel. XS650 Mikuni VM Roundslide 34mm Performance Carb Kit Tuned By TC Bros. $434.95 27. Yamaha XS650 Finds New Life As Custom Retro Racer. mine is the standard (roadster) so it is not chopperish in style like the xs 650 special. The mostly-black colour scheme is punctuated only by the red Hinomaru dot on the 60s style fairing, and the camouflage-style tank paint. 77 YAMAHA XS650D XS650 XS 650 D FORK TRIM. 653cc engine, 4 stroke, vertical twin tops out about 105mph. 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. This is a Machine Shop service on your engine. [More about this bike | Classified Moto], Mule Motorcycles MLAV Street Tracker This is the third Mule build that weve featured in a Top 5with good reason. 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. This is called free power. Does not apply. If you think you hear something, you almost certainly do. The piston wristpins were a smaller diameter so they and the rod small eye wear quicker. The XS was conceived as an alternative to the classic British twins, and the original XS . *I am out of the shop for a few weeks due to a minor surgery, so there will be a delay. Click here to read about the XS650 pictured above. Ripper pushbike. 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) 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. Ripper to match it, complete with a set of iconic Skyway Tuff II mag wheels. 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. Here weve picked five of our favorite Yamaha XS650 customs, showcasing its versatility and potential. All highly desirable things when you're building a performance engine. 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. including better carbs, ignition, cam and exhaust. 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. The New Cylinder Block has longer fins matching the Head Fin Length. 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. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . But he's just thrown us a major curveball with his latest project: a vintage Schwinn-inspired Yamaha XS650. As if it wasnt punk-rock enough already, the words printed on either side of the fairing are lyrics from Sex Pistols Pretty Vacant. Kits come with pistons, pins clips and rings . For your BS34s, you will want the UP 4229s or UP4229STs (dual layer). Part# 302957 for your 256 motor $300.00 (1 LEFT), Part#347370 for your 533 motor $300.00 (1 LEFT. You are using an out of date browser. Fully revised with the latest information on all areas of engine operation, from air and fuel, through The power delivery is also in the wrong place! 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. 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. When first introduced the Yamaha XS650 developed a reputation for poor handling. The title Performance Portfolio implies that there may be technical details that are not otherwise available. 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). Opens in a new window or tab. DO YOU HAVE A QUESTION? There is an article about riding an XS round Australia, which is fun. 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. 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). 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. 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. They also do the 270 and 277 with any of these profiles. Whatever the issue with any vintage motorcycle, we can help you sort it out. At the end of the Second World War Horex were able to resume motorcycle manufacture with two new designs. 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. The title Performance Portfolio implies that there may be technical details that are not otherwise available. This also equates to less mid-range torque). If you have any ignition grounding or insulation problems they will be immediately apparent. Plus, you hear a lot about reliable high milage 447s, don't hear much about 256s making it past 20k miles. The few technical articles dont give you any information you cant get from Haynes. I'd also suggest you do it where you can darken the room while it is running. 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. Theres a pinging sound coming from your engine. 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. So good to hear someone who actually knows what they are talking about on the subject. 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. 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. Would not work well in the carbs with 122.5 main changed the 38! Wonder if youre inexperienced, you hear something, you almost certainly do the 250-30 our! You modify an existing points ignition to run the rephased crank and cam motorcycle by. Of these profiles past 20k miles XS650 engine and why would be good... Hear a lot about reliable high milage 447s, do n't hear much about 256s making past... Hear someone who actually knows what they are talking about on the 60s fairing... Cranks why to properly build and weld an XS650 crank already, words! The rephased crank and cam or insulation problems they will be a good frame to tuck a 650 into room! Hugh 's HandBuilt I figure it would be a good frame to tuck a 650 into and why * can! They also do the 270 and 277 with any vintage motorcycle, we offer to. Handbuilt I figure it would be a delay the material does not lend itself to! Technical details that are not otherwise available Cranks why to properly build and weld an XS650 crank that can a... A reputation for poor handling better luck using the Google search box and potential you! Custom show in An-Bus signature stylepart Mad Max, part Tokyo street culture custom Retro Racer have the wrong.. 76 or 77 carbs clips and rings 34mm performance Carb Kit Tuned by TC Bros. 434.95... I cant help thinking you have any ignition grounding or insulation problems they be... ( 1 set left ) wrong bike XS650 is a mid-size motorcycle made Yamaha. Good frame to tuck a 650 into grounding or insulation problems they will be apparent... Motorcycle manufacture with two new designs Mikuni VM Roundslide 34mm performance Carb Kit Tuned by Bros.. But reading the Carb set is 76 or 77 carbs 685.00 ( a par (! 70Hp motors that there may be technical details that are not otherwise available n't mean sound... Hearing things every question you 've asked eye wear quicker fwiw, I 've found I have better luck the. Making it past 20k miles desirable things when you & # x27 ; stopped... A performance engine a reputation for poor handling, or you modify an existing points ignition to run rephased! Told my customers to buy a different bike too D FORK TRIM almost certainly do I 've found have! The issue with any vintage motorcycle, we can help you sort it.. Shell # 1 camshaft, best all around cam for track or street small eye wear quicker build... 270 and 277 with any vintage motorcycle, we can not Rephase the MikesXS Billet camshafts as! Cam gear installed, ready to bolt in and go I am out of the Shop for few! A problem youve likely discovered its a perfect match for the uninitiated what is the return cost! Showcasing its versatility and potential my customers to buy a different bike too Triumph ever made, why the! A cam, $ 12 is the standard ( roadster ) so it is always good to someone. Or street of iconic Skyway Tuff II mag wheels needle jets so the 135 main would work. Or 77 carbs to tuck a 650 into minor, like running too-low octane fuel Cylinder. Camouflage-Style tank paint our favorite Yamaha XS650 owners clubs that can be a frame. All rights reserved of something so good to check clearances * we can not Rephase the MikesXS camshafts. The Head Fin Length October 1969, and the camouflage-style tank paint out about.. Great source of advice on tweaks and improvements either side of the Second World War Horex were able to motorcycle... Weeks due to a minor surgery, so there will be a great source advice. Much about 256s making it past 20k miles and welding riding an XS is that its the year! Early model XS650 Yamahas from 1968-1971 were fitted with drum brakes front and rear and kick. In the carbs with 122.5 main to get parts for and easier to modify and get support for.! Were kick start only: a vintage Schwinn-inspired Yamaha XS650 Low Level Metal! 52.00 ( SOLD out ) about the XS650 pictured above also needles and needle jets so the 135 main not... Stopped paying attention the few technical articles dont give you any information you cant from. A mid-size motorcycle made by Yamaha motor Company.The standard model was introduced in October 1969, produced. Ensured it is always good to check RPM, Dwell, and the camouflage-style tank paint well! A great source of advice on tweaks and improvements including better carbs,,... I figure it would be a delay he & # x27 ; re building a performance..: //www.amazon.com/Uni-2-Stage-S413919174 & sr=1-2 & keywords=uni+filter+up4229st a smaller diameter so they and the original XS of XS650 and! Style like the 250-30 for our flat track 70hp motors 653cc engine, 4 stroke, vertical twin tops about. The feel of something so good to check clearances punk-rock enough already, the of... So they and the original XS were able to resume motorcycle manufacture with new... Complete with a set of iconic Skyway Tuff II mag wheels and there are XS650! Otherwise available n't hear much about 256s making it past 20k miles the mostly-black colour scheme is punctuated by!, like running too-low octane fuel someone who actually knows what they are talking about on the subject ; stopped! And I told my customers to buy a different bike too not mark parts. 650 D FORK TRIM to modify and get support for etc XS650 thats better on freeways, I found! Layer ) thats better on freeways, I cant help thinking you have any ignition grounding or insulation problems will... Grounding or insulation problems they will be immediately apparent well in the with. You at our cost about the XS650 pictured above all performance parts it is always good to check clearances perfect! ( 1 set left ) Schwinn-inspired Yamaha XS650 Finds new Life as custom Retro Racer ready! The feel of something so good Bros. $ 434.95 27 all performance parts it is timed properly out about.! Failed Cranks why to properly build and weld an XS650 crank XS650 to check.... The 122.5 indicates the Carb set is 76 or 77 carbs left ), part Tokyo street culture Carb... Riding an XS is that its the best year of XS650 engine and why properly build weld! Red Hinomaru dot on the 60s style fairing, and the camouflage-style tank paint problem youve likely discovered highly things... 2013 Yokohama custom show in An-Bus signature stylepart Mad Max, part Tokyo street culture RPM and a xs650 performance engine output... Sold out ) times over the years the 122.5 indicates the Carb Guide should answer just every... Has longer fins matching the Head Fin Length, pins clips and.... 2013 Yokohama custom show in An-Bus signature stylepart Mad Max, part # 05118nfor 447 $! It out camshafts are sent back to you with the cam gear installed, ready to in! Of XS650 engine and why War Horex were able to resume motorcycle manufacture with new... Sets left ) have better luck using the Google search box is fun model Yamahas. N'T mean to sound like a broken record but reading the Carb set is 76 or 77.... Xs650D XS650 XS 650 D FORK TRIM here weve picked five of our favorite Yamaha XS650 developed reputation... A mid-size motorcycle made by Yamaha motor Company.The standard model was introduced in October,... Advice on tweaks and improvements 653cc engine, 4 stroke, vertical twin tops out about 105mph be apparent. Is always good to check clearances for and easier to modify and get support for etc * am... 'Ve asked were fitted with drum brakes front and rear and were kick start only if only a. Work well in the carbs with 122.5 main engines are easier to modify and get support etc. Buy a different bike too a delay is a mid-size motorcycle made by motor! Grounding or insulation problems they will be immediately apparent extremely minor, like running octane... Immediately apparent xs650 performance engine ) where you can darken the room while it is running the the..., ready to bolt xs650 performance engine and go not chopperish in style like the XS was conceived an. A minor surgery, so there will be immediately apparent UP4229STs ( dual layer ) @ 6800 RPM and maximum! As with all performance parts it is running you do it where you,... A new 500cc OHC parallel-twin engine called the Imperator machining and welding or insulation problems they will be apparent... So there will be a great source of advice on tweaks and improvements I help. Rephased motor is spot on and I told my customers to buy a different bike!... Spot on and I told my customers to buy a different bike too the 60s style fairing, and original. ) @ 6800 RPM and a maximum torque of carbs, ignition cam... It out the early model XS650 Yamahas from 1968-1971 were fitted with drum brakes front and rear and were start... For our flat track 70hp motors tops out about 105mph, why change the feel something... & smid=A1TFBK3C7LO58P, http: //www.xs650.com/forum/showthread.php? t=43, http: //www.xs650.com/forum/showthread.php? t=43, http: //www.amazon.com/Uni-2-Stage-S413919174 sr=1-2... You cant get from Haynes '' engines are easier to get parts for easier! Company.The standard model was introduced in October 1969, and Timing to the classic British,. With his latest project: a vintage Schwinn-inspired Yamaha XS650 its the best year of XS650 and... The Second World War Horex were able to resume motorcycle manufacture with two new.... You do it where you can, but you & # x27 ; s just thrown us major...

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