HOT CAMS EXHAUST CAMSHAFTS YAMAHA WR 400F 98-00/ YZ 400F 98-99/ WR 426F 01-02/ YZ426F 00-02

Dual-cam motor: intake and exhaust cams sold separately. Excellent midrange increase, improved throttle response, and smooth power delivery. Intake comes with adjustable sprocket (factory preset at 105). Exhaust cam includes auto-decompression mechanism.

>Exhaust Duration: 259 >Exhaust Lift: 8,76 >Exhaust Lobe Center 105 > 0,2 >Intake Duration: 0 >Intake Lift: 0 >Intake Lobe Center: 0 >Intake Valve Lash: 0