Yamaha Two Stroke:

PR2 YZ85 Works Engine:

Complete blueprint, porting and head modifications, Balance/true crank as required, modify clutch system, precision assemble, Race proven Set-up Sheet

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PR2 YZ90 Works Engine:

Complete blueprint, porting and head modifications, PR2 stroker crankshaft, modify clutch system, precision assemble, Race proven Set-up Sheet

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PR2 YZ105 Works Engine:

Complete blueprint, Athena cylinder and head kit with PR2 porting and head modifications, Balance/true crank as required, modify clutch system, precision assemble, Race proven Set-up Sheet

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PR2 YZ112 Works Engine:

Complete blueprint,Athena cylinder and head kit with PR2 porting and head modifications, install stroker crankshaft assy., modify clutch system, precision assemble, Race proven Set-up Sheet

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PR2 YZ125 R-Type Works Engine:

Split cases and assemble, Blue-print crankshaft, Complete porting and cylinder head modifications, inspect parts, replace as required, precision assemble, Race proven Set-up Sheet

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Yamaha Fourstroke:

PR2 YZF250 Works Engine

Complete dis-assemble/assemble, blueprint lower-end, true crankshaft, debur cases as required, PR2 Racing camshafts,Complete Cylinder Head Porting, CNC racing valve seat profile, Custom Piston, modify/improve clutch tension.

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PR2 YZF450 Works Engine

Complete dis-assemble/assemble, blueprint lower-end, true crankshaft, debur cases as required, PR2 Racing camshafts,Complete Cylinder Head Porting, CNC racing valve seat profile, Custom Piston, modify/improve clutch tension.

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