Hotcams admission - Level 1 CamshaftYAMAHA 450 YZ 450 F (CJ15) - 2010 - 2013Ref : HO00027A / 1018989

Optimize the engine personality of your YZ450F with this HOT CAMS intake camshaft - Stage 1. Designed for motocross sessions and light tuning, this camshaft profile has been developed on test benches and proven by competition teams.

• Stage 1: profile designed to increase torque and power without requiring further modifications. Ideal for those seeking a more responsive throttle without compromising the original engine balance.
• Stage 2 & 3: higher levels intended for more advanced tuning and specific uses (supermoto, increased displacement), requiring additional modifications.

Operation: this camshaft modifies the timing and duration of the intake valve openings to improve cylinder filling at targeted RPMs. Two complete sets of adjustment shims are provided for suitable timing adjustment.

Installation advice: entrust the installation to a qualified and equipped tuner or mechanic — precise adjustment and specific tools are essential to maintain reliability and driving pleasure.

Manufacturer's ref: 4163-1IN — Main compatibility: YAMAHA YZ 450 F (CJ15) 2011-2013.