New MOTION PRO Camshaft Exhaust For YAMAHA YZ450F H-4164-1EX
Brand: MOTION PRO
Part No: H-4164-1EX
Additional product details
Overview
Camshafts YAM YZ450F 10-13 4163-1IN and 4164-1EX when used as a set provide increased low - mid rpm torque up to 9000 rpm and improved peak torque with no loss at high rpm.
STAGE 1
H-4164-1EX Camshaft Exhaust
| Exhaust Lobe Lift (MM): 8.64 |
| Exhaust Lobe Centre (Degrees): 101.5 |
| Exhaust Lobe Duration at 1MM (Degrees): 249 |
| Exhaust Valve Lash (MM): 0.225 |
Stage 1 exhaust cam: Increased power up to 9000 RPM and no loss on the top-end: Improved throttle response: Uses stock valve springs: Dual-cam engine: Intake and exhaust cams sold separately: Supplied with decompression mechanism