ProTaper 13-Tooth Yamaha Front Sprocket 038355

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

• Specially formulated coating retains strength and wear-resistance
• Internal broaching and precision machined to exact tolerances
• Core refined 655M13 nickel-chrome-molybdenum alloy steel
• Self-cleaning mud grooves prevent dirt build up
• Lightening holes reduce rotating weight

The ProTaper Race Spec (RS) Front Sprocket, model 038355, is a 13-tooth powersports sprocket designed for specified Yamaha YZ125 applications. It is CNC machined and internally broached to precise tolerances for accurate fitment, reduced chain drag, and balanced performance.

Manufactured from case-hardened, core-refined 655M13 nickel-chrome-molybdenum alloy steel, this front sprocket is built for strength and wear resistance. A proprietary coating helps reduce wear and corrosion, while self-cleaning mud grooves help prevent dirt buildup during use. Lightening holes reduce rotating weight.

Fitment includes 1991, 1992, and 1997–2004 Yamaha YZ125 models. The manufacturer part number is 038355, and the vendor part number is 038355.

Features:

• Tooth Count: 13-tooth front sprocket
• Construction: CNC machined and internally broached to exact tolerances
• Material: Case-hardened, core-refined 655M13 nickel-chrome-molybdenum alloy steel
• Coating: Proprietary coating helps retain strength and wear resistance while reducing corrosion
• Mud Grooves: Self-cleaning grooves help prevent dirt buildup
• Weight Reduction: Lightening holes reduce rotating weight
• Fitment: Fits 1991, 1992, and 1997–2004 Yamaha YZ125 models
• Manufacturer Part Number: 038355
• Vendor Part Number: 038355

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1
Fitment:
1987 Yamaha YZ125 Base
1988 Yamaha YZ125 Base
1989 Yamaha YZ125 Base
1990 Yamaha YZ125 Base
1991 Yamaha YZ125 Base
1992 Yamaha WR200 Base
1992 Yamaha YZ125 Base
1993 Yamaha YZ125 Base
1994 Yamaha YZ125 Base
1995 Yamaha YZ125 Base
1996 Yamaha YZ125 Base
1997 Yamaha YZ125 Base
1998 Yamaha YZ125 Base
1999 Yamaha YZ125 Base
2000 Yamaha YZ125 Base
2001 Yamaha YZ125 Base
2002 Yamaha YZ125 Base
2003 Yamaha YZ125 Base
2004 Yamaha YZ125 Base