Pro Taper Race Spec MX Front Sprocket Yamaha/Kawasaki 250-450 (’98-’04)
ProTaper Race Spec (RS) Front Sprockets are CNC machined and internally broached to precise tolerances from case-hardened, core-refined chromoly steel. Computer engineering ensures precise fitment, optimal weight savings, and perfect balance. The result is minimal chain drag, maximum horsepower, and uncompromising strength. A proprietary coating further reduces wear and corrosion, yielding a front sprocket unparalleled in the market.
- Core refined 655M13 nickel-chrome-molybdenum alloy steel
- Internal broaching and precision machined to exact tolerances
- Lightening holes reduce rotating weight
- Self-cleaning mud grooves prevent dirt build up
- Specially formulated coating retains strength and wear-resistance.
Fits:
Kawasaki KLX250 06-07
Kawasaki KLX300R 03-07
Kawasaki KX250 99-07
Yamaha WR400F 98-00
Yamaha WR426F 01-02
Yamaha WR450F 03-09, 11-22
Yamaha YFM660R Raptor 01-05
Yamaha YFZ450 04-09, 12-13
Yamaha YZ250 99-21
Yamaha YZ250X 16-22
Yamaha YZ400F 98-99
Yamaha YZ426F 00-02
Yamaha YZ450F 03-22
Yamaha YZ450FX 16-22
