Yamaha WR 450 F (CJ 04) [2003-2004] - Camshaft exhaust - Stage 1 Yamaha WRF/YZF450
Description
HOT CAMS Stage 1 exhaust camshaft for Yamaha WR 450 F
This exhaust camshaft from HOT CAMS is intended as a stage 1 version for the Yamaha WR 450 F (CJ 04) built between 2003 and 2004. It is aimed at drivers who want to implement basic engine tuning with an increase in torque and power.
![Yamaha WR 450 F (CJ 04) [2003-2004] - Camshaft exhaust - Stage 1 Yamaha WRF/YZF450 – product view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1006459-1.jpg?v=1788288764)
Function and coordination
The Stage 1 design increases torque and power without the need for additional modifications. This means that this variant differs from more advanced tuning levels, which may require additional changes to the engine environment. The camshaft was developed on test benches and tested by leading teams.
- Exhaust camshaft in Stage 1 version
- Designed to increase torque and power
- No additional modifications required for Stage 1 tuning
- Intended for basic engine tuning
- Two sets of valve plates are included
Vehicle assignment
- Yamaha WR 450 F (CJ 04)
- Years of construction: 2003 to 2004
The clear assignment to model code and year of manufacture supports the targeted selection of the right motorcycle.
Factual assembly instructions
Work on the valve control affects central engine functions and requires a professional approach. Qualified specialists and suitable tools are therefore expressly recommended for preparation and assembly. The two sets of valve plates included are used to ensure appropriate coordination during installation.
![Yamaha WR 450 F (CJ 04) [2003-2004] - Camshaft exhaust - Stage 1 Yamaha WRF/YZF450 - detailed view](https://cdn.shopify.com/s/files/1/0871/4616/8646/files/1006459-2.jpg?v=1788288764)