Yamaha YZ125 Phathead cylinder head kit 1994-2000 Chamber selection:Y11 - 10.0cc Stock 5cc SX stock compression 98+ Kit includes required engine CX50 CR125R9302 Chamber selection:52mm Big bore chamber 95+ octane
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Description
Yamaha YZ125 Phathead cylinder head kit 1994 2000 Chamber selection:Y11 10.0cc Stock 5cc SX stock compression 98+ Kit includes required engine CX50 CR125R9302 Chamber selection:52mm Big bore chamber 95+ octane 5cc SX stock compression 98+ KX500 and CR500