Yamaha Raptor 660 Stage 1 Camshaft (2001–2005) – Hot Cams YFM660S1-A

🛠️ Description

Boost your Raptor 660’s performance with this Hot Cams Stage 1 camshaft. Engineered for riders looking for stronger low-end torque and mid-range pull, this cam delivers a noticeable 5–10% power gain while still working with stock valve springs and decompression components. CNC-machined from billet steel and dyno-proven in the USA, it’s a reliable upgrade for trail riders, dune shredders, and anyone who wants more grunt without sacrificing rideability.

✅ What’s Included

• Stage 1 camshaft (intake & exhaust profiles integrated)

📦 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 or workmanship.

🔑 Key Features

• Drop-in camshaft – no need for upgraded springs

• Designed for low-end torque and mid-range gains

• Adds 5–10% overall horsepower

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

• Uses stock decompression mechanism

• Dyno tested and proven in the USA

Camshaft Specs:

• Intake Lift: 8.50 mm | Duration: 254° | Centerline: 106°

• Exhaust Lift: 9.40 mm | Duration: 246° | Centerline: 106°

• Intake Valve Lash: 0.200 mm

• Exhaust Valve Lash: 0.250 mm

💲 Price Match Guarantee

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