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1980 Yamaha Xt250 Big Bore Kit, Mikes XS is the leading destinati
1980 Yamaha Xt250 Big Bore Kit, Mikes XS is the leading destination for Yamaha XT250 Motorcycle Parts. In the Shop Yamaha Motorcycle Big Bore & Top End Kits with eBay Guaranteed Fit. I tried to build what Yamaha would do if they enlarged this to a 300, carefully preserving the low end torque the stock bike has and to enhance it. 44 fork springs, fork oil and their DDC cartridge valves that rest on top of the damper rod assembly. It’s powered by a 249cc air-cooled SOHC single-cylinder Excessive heat robs power can cause detonation and shorten engine life dramatically. Shop our selection of big bore engine kits for your vintage or modern classic motorcycle. New reproduction piston and ring kits. All our new 250 and bigger kits as well as most of our larger bore engine kits are designed with better cooling in Big Bore Cylinder & Piston Kit with Gasket Set Yamaha XT YS YBR 250 1S4-11311-00-A0 1S4-11311-01-A0 74MM Big Bore Cylinder Piston Top Parts Gasket Set Kits Yamaha XT250 XT 250 Wiseco Big Bore Kits Shop for Engine at Rocky Mountain ATV/MC. We offer the best customer service in the industry! Unlock the true potential of your 2019-2026 Yamaha YZ250F with the DYNAMIC RACING 80mm 270cc Big Bore Kit. Complete list of cylinder kits with parts and labor.
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