Yamaha Raptor 660 Stage 2 Camshaft (2001–2005) – Hot Cams YFM660S2-A

🛠️ Description

Step up your Raptor 660’s performance with the Hot Cams Stage 2 camshaft. Designed for riders who want stronger mid-range and top-end gains, this camshaft is CNC-machined from billet steel and dyno-proven in the USA. Perfect for aggressive builds, it delivers 5–10% more power while retaining the stock auto-decompression mechanism.

Note: Requires the Hot Cams valve spring kit (0926-0869) for proper installation.

✅ What’s Included

• Stage 2 single camshaft assembly

📦 Fitment

• 2001 Yamaha YFM660R Raptor

• 2002 Yamaha YFM660R Raptor

• 2003 Yamaha YFM660R Raptor

• 2004 Yamaha YFM660R Raptor

• 2005 Yamaha YFM660R Raptor

🛡️ Warranty Info

Hot Cams camshafts are backed by a manufacturer’s warranty against defects in materials and workmanship.

🔑 Key Features

• Mid-range and top-end focused power increase

• +5–10% horsepower gain over stock

• CNC-machined from 8620 billet steel, case hardened for durability

• Requires Hot Cams valve spring kit (0926-0869)

• Drop-in design with stock auto-decompression mechanism

• Engineered using valvetrain simulation software for precise timing and lift profiles

Camshaft Specs:

• Intake Lift: 9.75 mm | Duration: 246° | Centerline: 106°

• Exhaust Lift: 10.28 mm | Duration: 259° | Centerline: 104°

• Intake Valve Lash: 0.200 mm

• Exhaust Valve Lash: 0.250 mm

💲 Price Match Guarantee

If you find this camshaft for less at an authorized dealer, we’ll match it. Shop confidently with DuneGoonShop.com.