The Hot Cams Stage 1 Exhaust Cam is designed to enhance the performance of Yamaha WR450F models from 2003 to 2015. By increasing exhaust duration and lift, this camshaft improves engine breathability, providing a notable boost in mid-range power and top-end speed while maintaining bottom-end performance. The camshaft retains the use of stock valve springs and features an auto-decompressor for smooth operation. A core trade-in is not required, allowing users to keep their original camshaft.

Features:

• Increases exhaust duration and lift for improved engine breathability.


• Enhances mid-range power and top-end speed with no loss of bottom-end performance.


• Uses stock valve springs for compatibility and ease of installation.


• Includes an auto-decompressor for reliable operation.


• No core trade-in required.

Specifications:

• Exhaust Duration (Degrees at 1mm): 265.00


• Exhaust Lift (mm): 8.67


• Exhaust Lobe Center (Degrees): 103.00


• Exhaust Valve Lash (mm): 0.20


• Intake Duration (Degrees at 1mm): Not specified


• Intake Lift (mm): Not specified


• Intake Lobe Center (Degrees): Not specified


• Intake Valve Lash (mm): Not specified

Vehicle Compatibility:

• Yamaha WR450F: 2003–2015