Yamaha Two Stroke:

PR2 YZ85 Works Engine:

Complete blueprint, porting and head modifications, Wossner crankshaft, Balance/true crank, modify clutch system, precision assemble, GET CDI with custom maps CNC offset taper bore carb.

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PR2 YZ105 Works Engine:

Complete blueprint, Athena cylinder and head kit with PR2 porting and head modifications, Wossner crankshaft Balance/true, modify clutch system, precision assemble, GET CDI with custom maps CNC offset taper bore carb.

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PR2 YZ125 R-Type Works Engine:

Split cases and assemble, VHM crankshaft, Complete porting and cylinder head modifications, precision assemble, GET CDI with custom maps.

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PR2 YZ134 BIG BORE

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PR2 YZ250/293

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Yamaha Fourstroke:

PR2 YZ250f Works Engine

Complete dis-assemble/assemble, blueprint lower-end, upgrade connecting rod, true crankshaft, debur cases as required, Complete Cylinder Head Porting, racing alloy seats. CNC racing valve seat profile, Custom Piston, modify/improve clutch tension. GET ECU with 2nd injector kit, custom maps.

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PR2 YZ450f Works Engine

Complete dis-assemble/assemble, blueprint lower-end, upgrade connecting rod, true crankshaft, debur cases as required, Complete Cylinder Head Porting, racing alloy seats. CNC racing valve seat profile, Custom Piston, modify/improve clutch tension. GET ECU with custom maps.

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