CAMSHAFT YFM350 RAPTOR, HOTCAMS 4017-1 YAMAHA ATV

The Hotcams Stage 1 Camshaft is designed to deliver significant midrange and top-end power improvements for Yamaha ATV models. This camshaft enhances engine breathability and horsepower by increasing intake and exhaust duration. Compatible with stock valve springs and rockers, it offers a straightforward installation process. No core trade-in is required, allowing you to keep your original camshaft.

Features:

• Provides significant midrange punch and top-end speed enhancements.
• Increases intake and exhaust duration for improved engine performance.
• Compatible with stock valve springs and rockers.
• Adjustable cam sprockets included with some models.
• No core trade-in required; retain the original camshaft.

Specifications:

• Intake Duration (Degrees at 1mm): 250.00
• Intake Lift (mm): 10.00
• Intake Lobe Center (Degrees): 107.50
• Intake Valve Lash (mm): 0.13
• Exhaust Duration (Degrees at 1mm): 250.00
• Exhaust Lift (mm): 10.00
• Exhaust Lobe Center (Degrees): 107.50
• Exhaust Valve Lash (mm): 0.15

Vehicle Compatibility:

• Yamaha BRUIN 350 ATV: 2004–2006
• Yamaha YFM 350 FW Big Bear 4x4 ATV: 1987–1999
• Yamaha YFM 350 FX Wolverine 4x4 ATV: 1995–2005
• Yamaha YFM 350 R Raptor ATV: 2004–2006
• Yamaha YFM 350 X Warrior ATV: 1987–2004
• Yamaha YFM 400 Big Bear 2x4 ATV: 2000–2006
• Yamaha YFM 400 FW Kodiak 4x4 ATV: 1993–1999

Shim Kit: Not specified.

Part Number: 56-C316.HC