Yamaha YZ250 WR250 Phathead cylinder head kit 1988-1998 CX50 Y20 - 22cc Stock compression Kit includes required engine CX50 CR125R9302 Chamber selection:52mm Big bore chamber 95+ octane
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Description
Yamaha YZ250 WR250 Phathead cylinder head kit 1988 1998 CX50 Y20 22cc Stock compression Kit includes required engine CX50 CR125R9302 Chamber selection:52mm Big bore chamber 95+ octane Y20 22cc Stock compression for the X model 6cc 100+T04 5