Exhaust camshaft Stage 1 from manufacturer Hot Cams for Yamaha WR 400 F (1998-2000) / WR 426 F (2001-2002) / YZ 400 F (1998-1999) / YZ 426 F (2000-2002).
Specifications:
- made with Computer Numerical Control (CNC) machinery from forged 8620 steel and hardened;
- designed and tested on a dynamometer in the USA;
- designed using valve train software;
- ensures a power increase of 5%-10%.
The camshafts include Hot Cams Improved Throttle Design (I.T.R.) technology, these camshafts enhance throttle response across the entire RPM range while providing significant power increases in the mid-range and at high RPMs. Stage 1 is designed for increased torque at low RPMs.
Designed for direct installation, using original valve springs (unless otherwise specified).
Ensures an increase in the mid-range RPMs and improved throttle response. For engines with two camshafts. The self-decompression mechanism is used.
Technical data:
- exhaust valve clearance: 0.200 mm;
- brand: HOT CAMS;
- application: exhaust;
- exhaust duration: 259°;
- exhaust valve lift: 8.760 mm;
- exhaust lobe centerline angle: 105°;
- type: Stage 1;
- price: for one piece.
The complete application list can be found below.
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