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