Yoshimura Performance Camshaft ST-1M
'13-15 Honda Grom
• This camshaft requires fuel injection adjustment. Without remapping, performance gain is not expected.
• Valve timing must be measured and adjusted when installing.
• Tappet clearance must be measured and adjusted when installing.** Cam timing should be set by a certified mechanic to ensure proper function. Improper installation or cam timing could result in catastrophic engine failure.
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