Product description

The Hot Cams Camshaft Stage 1 For Yamaha YFM660R 2001-2005 is part of the latest collection from Hot Cams.

Features:

• Designed and dyno proven in the USA
• Engineered by using valvetrain software
• Adds a 5%-10% power gain
• CNC machined from 8620 billet, case hardened steel for an exact fit and lobe profile
• Select cams feature Hot Cams Improved Throttle Design (I.T.R.) technology; these cams improve throttle response throughout the entire rpm range while providing excellent power gains through the mid-range and top-end
• Designed for low end torque.
• Engineered to be drop in cams that use stock valve springs (unless otherwise noted).
Excellent mid-range and top-end power increase. Uses stock valve springs. Uses stock auto-decompression mechanism. For single cam engine. Intake Valve Lash: 0.200 mm. Exhaust Valve Lash: 0.250 mm.

Specifications:

• Application: Exhaust| Intake
• Exhaust Duration Imperial: 246°
• Exhaust Duration: 246°
• Exhaust Lift Metric: 9.40 mm
• Exhaust Lift: 9.40 mm
• Exhaust Lobe Centerline Imperial: 106°
• Exhaust Lobe Centerline: 106°
• Intake Duration Imperial: 254°
• Intake Duration: 254°
• Intake Lift Metric: 8.50 mm
• Intake Lift: 8.50 mm
• Intake Lobe Centerline Imperial: 106°

To fit:

• YAMAHA YFM 660 R 2001 Raptor American Models
• YAMAHA YFM 660 R 2002 Raptor American Models
• YAMAHA YFM 660 R 2003 Raptor Limited Edition American Models
• YAMAHA YFM 660 R 2003 Raptor American Models
• YAMAHA YFM 660 R 2004 Raptor Limited Edition American Models
• YAMAHA YFM 660 R 2004 Raptor American Models
• YAMAHA YFM 660 R 2005 Raptor Special Edition American Models
• YAMAHA YFM 660 R 2005 Raptor American Models

Manufacturer part number: 4011-1

View all Hot Cams. View all Parts and spares.

Contents

Your package will include the following:

• 1 X Hot Cams Camshaft Stage 1 For Yamaha YFM660R 2001-2005