HOT CAMS 0925-1589 4050-3 Camshaft Stage 3 Camshaft - Single Cam - Stage 3 - Yamaha YFM660R Raptor

Features

• Computer Numerical Control (CNC) from 8620 billet steel and case harden
• Designed and dyno proven in the USA
• Engineered by using valvetrain software
• Adds a 5%-10% power gain
• Designed for peak top end horsepower
• Engineered to be drop in cams that use stock valve springs (unless otherwise noted).
• 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.

Specs

Intake Lift	10.160 mm
Riding Style	ATV
Exhaust Lobe Centerline	102.500°
Exhaust Lift	10.820 mm
Intake Duration	265°
Application	Intake
Exhaust Duration	271°
Product Name	Camshaft
Application	Exhaust
Intake Lobe Centerline	112°
Type	Stage 3
Units	Each

Part Notes

• Mid range and top end gains with minor loss of low end power.
• Not for stock displacement.
• Specifically designed for Hot Rods big bore/stroker kit.
• Requires Hot Cams valve spring kit.
• Uses stock decompression mechanism.
• Intake Valve Lash: 0.200 mm.
• Exhaust Valve Lash: 0.250 mm.

2001-2005

Yamaha

Raptor 660R 4x2

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.