Yamaha Raptor 660 Stage 1 Camshaft 2001-2005 - Hot Cams YFM660S1-A
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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.
✓ Fits:
- 2001 Yamaha YFM660R Raptor
- 2002 Yamaha YFM660R Raptor
- 2003 Yamaha YFM660R Raptor
- 2004 Yamaha YFM660R Raptor
- 2005 Yamaha YFM660R Raptor
✓ 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
- 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
✓ What's Included:
- Stage 1 camshaft (intake & exhaust profiles integrated)
Ships fast from DuneGoonShop!
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
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