Pro Taper Race Spec MX Front Sprocket for Yamaha & Kawasaki 250–450cc (1998–2004)

Description

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

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