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Hot Cams 4035-1E Stage 1 Exhaust Camshaft Yamaha WR YZ 400F 426F:
$233.78
Hot Cams Stage 1 Exhaust Camshaft
Designed for dual-cam engines. Intake and exhaust cams are sold separately.
Key Features
- Delivers strong mid-range to top-end power gains with no bottom-end loss
- Provides excellent midrange increase, improved throttle response, and smooth power delivery
- Exhaust cam includes stock auto-decompression mechanism
- Engineered to use stock valve springs
- CNC-machined from 8620 billet, case-hardened steel for a precise fit and lobe profile
- Designed and dyno-proven in the USA using state-of-the-art valvetrain software
- No core exchange required
- Improved Throttle Response (ITR) technology
Camshaft Specifications
- Application: Exhaust
- Type: Stage 1
- Exhaust Duration (at 1mm): 259°
- Exhaust Lift: 8.76 mm
- Exhaust Lobe Center: 105°
- Exhaust Valve Lash: 0.20 mm
Not legal for use in California on pollution-controlled vehicles; race use only in California — waiver available.
Fits the following:
- Yamaha WR400F: 1998-2000
- Yamaha WR426F: 2001-2002
- Yamaha YZ400F: 1998-1999
- Yamaha YZ426F: 2000-2002
