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XS 650 Yamaha racing crankshaft

XS 650 Yamaha racing crankshaft by Chris Applebee Engineering we specialise in dynamically balancing & OVERHAULING all motor bike crankshafts If you have any questions please do not hesitate to ask. on 01268 776642 or email chris@applebee.co.uk Thanks for looking


 


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Red Hot Rephased XS650 Engine Hugh's HandBuilt 277
This engine came to us as a bit of a problem engine really. Customer brought it to us, as another shop had tried to build it, and looks like they were simply in over their head. Things were shimmed wrong all over, the clutch was assembled incorrectly, the valves were hitting each other, the cam was too aggressive, shift shaft was binding in the cases, etc... We tamed it down a bit and brought it to life. Hugh's HandBuilt 277 Crank and Camshaft, oversize valves, 5th gear OD, all of our clutch tricks including a "7 into 6" HHB Clutch swap, 750cc Heiden Tuning Big Bore, Pamcopete 277 Ignition, HHB Permanent Magnet Alternator swap, and of course all of our standard rebuild tricks - enjoy and thanks for watching. PS - don't mind the oil leak from the oil filter cover, the owner has a custom oil cooler that will be installed there - so I just used a junk cover here for initial fire. Hugh Hugh's HandBuilt





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RM 125 Crankshaft Rebuild.wmv
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270 Degree Rephased XS65 - Hugh's HandBuilt
Thats right folks, we finally built a 270 Degree Rephased XS650 Engine Ok, here comes the flood of emails, questions, etc... So I'll just quote Wikipedia for the reason to rephase an OEM Firing Pattern of 360 (which is the stock XS650 engine configuration) to a 277 or 270 "The classic British parallel twins (BSA, Triumph, Norton, AJS & Matchless) had a 360° crankshaft that, compared to a single, gave twice as many ignition pulses, which were evenly spaced. The Yamaha TRX850 had a 270° crank that allowed a more regular firing pattern than a 180° crank, and less regular than a 360° crank. This configuration has the best possible secondary engine balance for a parallel twin; its Exhaust sound and power delivery is identical to a 90° V-twin." - Think Ducati or Suzuki SV Series engines While we do a TON of 277 engines (it's the most cost effective rephase for the XS650) this one is 270 degrees. I've always wanted to build one. It requires a specially made center pin for the crank ($$$$$) and 2 donor cranks to build a single 270 crank. Then the camshaft and ignition must also match the new firing order of course. What you see here, is a 750cc 270 Degree XS650 Engine, using JE Pistons, our HHB D-Shaped Ported Head, 5th Gear OD, HHB 6 into 7 Clutch mod, 5th Gear OD, HHB Oil Cooler and all the other little tricks we do at Hugh's HandBuilt I hope you enjoy it. Go find our Blog, and check out the other cool things you can do with these bikes. They are a blast to own, mod and work on. Hugh





SUZUKI GT750 CRANK BALANCING
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Rephased XS650 with Jack's D-Shaped Intake Ports!
700cc with JE Pistons, 277 Rephased Crank, Early Camshaft, 277 Pamcopete Ignition and all the normal goodies we do to an engine at Hugh's HandBuilt. All but 1 exception. We spent the last few months with "Jack" from the forums, and he's taught us a TON of new ways to get some flow into the heads on these engines. This particular engine has had the intake runners "D" Shaped, with a raised floor and some healthy 2nd turns, and slightly shrunk in diameter to raise velocity. Very special thanks to Jack for taking the time to hang out in the shop with us, and show us a few tricks!





2stroke V8
Evinrude 300XP -91 After a few hours in the workshop.. The expansion chambers are "home made" by hydroforming. The original Exhaust is milled away and the engine block is filled whit plastic. This engine will get electronic fuel injection and will not be used in a boat.. Note: This is a sponsored video for Forge Apollo





How to Balance internally & externally balanced Crankshafts (Crank)
Anthony @ DIYautotech here showing you how I learned to balance a crank. We have ASE Certified professor demonstrating how to balance both internally & externally balanced cranks. If you have any questions please leave a comment below. This is being done at Saddleback College Automotive Machine Shop. Saddleback offers and excellent Automotive program that can be completed in just about 2 years. If you wanna get into the industry & have as much fun learning as I have...then you should come on down and check out our shop!





CR500-AF Update
Ok dirt bike guys, you've waited long enough for an update. Groutaone official race gear found here http://www.groutaone.com/





How an Engine Kit is Balanced
The Process of Balancing an Engine Kit is a highly meticulous job. This video was created for Coast High Performance to give its customers, followers and racers an idea of what it really takes to balance an engine kit. The process can easily take a few hours and should only be done by a properly trained professional. There is truly an art to balancing and whether its a 28oz, 50oz, internal, external or neutral balance, coast high performance have the professionals needed to pull off such a feat!





Crankshaft Truing Procedure Honda ST90 CR KX YZ RM CRF YZF Crank
This video shows how to check the trueness of a single cylinder crankshaft and what to do if it is outside the manufacture spec. The process is the same for 2-stroke and 4-stroke crankshafts. This demonstration was filmed in the lab at Western Iowa Tech Community College Motorcycle and Powersports Technology Program. If you would like more info on the program feel free to contact the instructor @ 712-274-8733 ext 1204 or email shane.conley@witcc.edu or dirk.bak@witcc.edu





Crankshaft balancing
Balancing a Jaguar E Type crank at Classic Jaguar in Austin, Texas www.classicjaguar.com/sb.html





Re-Phased XS650 Demo
Re-Phased XS650 Engine. This is a 277 degree rephased crank in action showing the rotation of the crank and the travel of the pistons in the cylinders. I do these cranks for many people in the UK and AU and have just now been getting interest in the US. I have a small business located in the mtns of North Carolina building choppers, cafe racers, and hot rod motorcycles. I build the cranks AND cams for these engine. Contact me at HughsHandBuilt @ Gmail.com




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