Hardcore race engines have won more British championships than any other tuning company, we provide high performance with reliability and a high level of tech support to assist you getting your goals, our modifications to the YZ125 engine are second to none we provide cylinder tune crankcase flow long rod kit (does not increase the engine capacity) carb boring gearbox super finishing I recommend you call us to discuss tailoring you engine to suit your needs
VHM piston height measuring tool 50 -500cc. Dial gauge available separately.
Haan rear wheel 19-1.85 Yamaha YZ250F 2009>
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