Upgrade the valvetrain of your Yamaha Raptor with the Hot Cams SKYFM660S2 Raptor Spring Kit with titanium retainers. This performance-focused kit is designed for riders and builders seeking reliable valve control and reduced valvetrain weight in demanding off-road applications. The kit is intended for the Yamaha YFM660R Raptor and supports precise, consistent operation when paired with a properly serviced cylinder head.
Fitment: Fits 2001, 2002, 2003, 2004, and 2005 Yamaha YFM660R Raptor models. Verify the model year and engine configuration before installation to ensure compatibility. The Hot Cams manufacturer part number is SKYFM660S2, and the vendor part number is 68-2068.
Application: The spring and titanium retainer combination is engineered for performance-oriented Yamaha YFM660R Raptor builds. Titanium retainers help reduce reciprocating valvetrain mass, while the matched spring kit is designed to maintain dependable valve control through the engine's operating range. Professional installation is recommended, including inspection of valve springs, retainers, keepers, and related cylinder-head components before assembly.
Features:
- Brand: Hot Cams
- Manufacturer part number: SKYFM660S2
- Vendor part number: 68-2068
- Product type: Valve spring and titanium retainer kit
- Model: Raptor Spring Kit
- Fitment: 2001-2005 Yamaha YFM660R Raptor
- Application: Performance valvetrain upgrade for Yamaha YFM660R Raptor engines
Fitment:
2001 Yamaha YFM660R Raptor
2002 Yamaha YFM660R Raptor
2003 Yamaha YFM660R Raptor
2004 Yamaha YFM660R Raptor
2005 Yamaha YFM660R Raptor