HOT CAMS CAMSHAFT STAGE 1 EXHAUST YAMAHA WR250F 15-17 YZ250F 14-16 YZ250FX 15-17

Stage 1 ITR: dual-cam motor: Intake and exhaust cams sold separately. Excellent bottom-end and midrange increase. Includes auto-decompression mechanism. Uses stock valve springs Exhaust Duration (Degrees at 1mm): 246.70 Exhaust Lift (mm): 8.59 Exhaust Lobe Center (Degrees): 103.44 Exhaust Valve Lash (mm): .22 Intake Duration (Degrees at 1mm): .00 Intake Lift (mm): .00 Intake Lobe Center (Degrees): .00 Intake Valve Lash (mm): .00 Camshaft Hot Cams Exhaust Camshaft Stage 1 Excellent bottom-end and midrange increase. Uses stock valve springs.