Hotcams admission - Level 1 CamshaftRef : HO00022A / 1006452

HOT CAMS Intake Camshaft - Level 1 (manufacturer's ref: 4012-1IN) designed for Yamaha YZ250F. Designed for motocross riders who want to enhance engine response without heavy modifications, this Stage 1 optimises torque delivery and usable power for everyday trail/cross use and amateur competition.

Developed and tested on test benches and validated by racing teams, this intake camshaft replaces the original part to improve engine performance while remaining compatible with a configuration close to stock. Ideal for a light tuning and for those looking to enhance engine responsiveness without other major modifications.

Key points:

• Usage: motocross / amateur competition.
• Stage 1 — increases torque and power without further modifications required.
• Supplied: two complete sets of shims for precise timing and valve clearance adjustment.
• Installation: requires mechanical skills and appropriate tools; installation recommended by a professional.

Main compatibilities: YAMAHA WR 250 F (CG30), YAMAHA YZ 250 F (CG33), YAMAHA YZ 250 F (CG27). Before installation, check the references and carry out a careful timing adjustment to get the best performance from this camshaft.