Hotcams - Hotcams Camshafts Yamaha - 4287-1E
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Hotcams - Hotcams Camshafts Yamaha - 4287-1E
Stage 1: single-cam motor.
Stage 1 has improved power at all RPMs over OEM.
Performs well with stock air box lid and exhaust.
Uses stock valve springs and rockers.
Uses stock auto-decompression mechanism.
Stage 1 has improved power at all RPMs over OEM.
Performs well with stock air box lid and exhaust.
Uses stock valve springs and rockers.
Uses stock auto-decompression mechanism.
