HOT CAMS Exhaust Camshaft - Stage 1 (ref. 4271-1E)
Designed for the YAMAHA YZ250F (CG34), this HOT CAMS exhaust camshaft is part of a range developed on test benches and proven by top competition teams. Ideal for light tuning, Stage 1 increases torque and power without requiring immediate additional modifications, providing a noticeable gain on motocross outings.
- Stage 1 (Level 1): enhances engine vigor and responsiveness while remaining compatible with a nearly stock configuration.
- Stage 2 (Level 2): intended for more advanced tuning; requires additional modifications (high-compression pistons, oversized carburetor, etc.).
- Stage 3 (Level 3): suitable for supermoto or displacement increase; to be installed with the original valve springs.
Installation should be entrusted to a skilled mechanic with the appropriate tools. Two complete sets of shim kits are provided to allow precise adjustment of the camshaft timing. This product is intended for motocross use — designed to improve engine response and enjoyment on the track.
- Main compatibility: YAMAHA YZ 250 F (CG34) — 2014, 2015, 2016
- Brand: HOT CAMS — Category: Camshaft