Camshaft Stage 1 Yamaha YFM 660 R Raptor 2001-2005 (AMERICA) / Yamaha YFM 660 R LE Raptor Limited Edition 2003-2004 (AMERICA) / Yamaha YFM 660 R SE Raptor Special Edition 2005 (AMERICA)
Our price £312.07
Price includes applicable VAT. Delivery calculated separately.
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Product details
Camshaft Stage 1 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.
Supplier reference: YFM660S1A
Manufacturer reference: 4011-1
Dimensions & specification
- Exhaust Lift
- 9,40 mm
- Type
- Stage 1
- Application
- Exhaust| Intake
- Intake Duration
- 254°
- Intake Lift
- 8,50 mm
- Exhaust Duration Imperial
- 246°
- Exhaust Lift Metric
- 9.40 mm
- Riding Style
- ATV
- Intake Lobe Centerline Imperial
- 106°
- Exhaust Lobe Centerline
- 106°
- Intake Duration Imperial
- 254°
- Intake Lobe Centerline
- 106°
- Units
- Each
- Exhaust Duration
- 246°
- Exhaust Lobe Centerline Imperial
- 106°
- Intake Lift Metric
- 8.50 mm
- Product Name
- Camshaft
Delivery & returns
UK standard delivery: 6–10 working days. In-stock parts dispatch within 2–3 working days.
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Vehicle fitment
All 8 supplier-listed applications. Match your complete model, year, position and any notes.
| Make | Model & variant | Year | Vehicle type | Vehicle ID | Variant | Market |
|---|---|---|---|---|---|---|
| YAMAHA | YFM 660 R | 2001 | 5LP | 29873 | Raptor | AMERICA |
| YAMAHA | YFM 660 R | 2002 | 5LP | 29875 | Raptor | AMERICA |
| YAMAHA | YFM 660 R | 2003 | 5LP | 29877 | Raptor | AMERICA |
| YAMAHA | YFM 660 R | 2004 | 5LP | 29879 | Raptor | AMERICA |
| YAMAHA | YFM 660 R | 2005 | 5LP | 29883 | Raptor | AMERICA |
| YAMAHA | YFM 660 R LE | 2003 | 5LP | 45435 | Raptor Limited Edition | AMERICA |
| YAMAHA | YFM 660 R LE | 2004 | 5LP | 29881 | Raptor Limited Edition | AMERICA |
| YAMAHA | YFM 660 R SE | 2005 | 5LP | 45429 | Raptor Special Edition | AMERICA |