2016 Yamaha YZ250X Cylinder Porting / Head Mod / Valve Mod

With the help of Triangle Cycles we got the spec dialed in for the 2016 YZ250X.  Send us your Cylinder, head and Center Valve and we will mod it out to use 110 octane race fuel, the stock piston …

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YZ280 Big Bore/Stroker

Please call to order 608-842-0680 Special Price: $1,795.00   Max Power YZ280 Big bore stroker engine build. Fits 1999-Current YZ250   Product Description This is the big bore and stroker build that we offer for the 1999-Current YZ250. 280cc is...

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YZ 285 Big Bore

Please call to order 608-842-0680 Special Price: $599 Max Power YZ285 Fits 1999-Current Yamaha YZ250   Product Description Actual Displacement = 285.06cc Engine Modifications Required: Cylinder: Bore, Port and Plate. Power Valves: Precision machined to match big bore cylinder. Head:...

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YZ 265 Big Bore

Please call to order 608-842-0680 Special Price: $599   The Max Power YZ265 Fits 1999-Current YZ250   Product Description Actual Displacement = 265.34cc Engine Modifications Included: Cylinder: Bore, Port and Plate. Power Valves: Precision machined to match big bore...

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