ProTaper 51 Tooth Rear Sprocket - Blue — Fits Honda XR250R, Yamaha WR250F/400F/426F/450F, YZ125/250/400F/426F/450F

SKU: PTR033223
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About ProTaper

ProTaper engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ProTaper lineup with fast shipping and expert fitment support — order with confidence.

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ProTaper Race Spec (RS) Rear Sprocket - 51 Teeth, Blue

Add a splash of color and a boost of performance with the ProTaper Race Spec (RS) Rear Sprocket. This 51-tooth sprocket, finished in a vibrant blue, is engineered to provide enhanced low-end torque and quicker acceleration for your motorcycle. The integrated Angled Mud Groove is a ProTaper innovation that actively clears mud and debris, ensuring consistent performance and reducing wear. This self-cleaning design is crucial for maintaining optimal function in challenging off-road conditions.

Key Features and Benefits:

  • Improved Acceleration: The 51-tooth configuration offers a significant advantage in low-speed traction and rapid acceleration.
  • Self-Cleaning Mud Groove: ProTaper's exclusive design keeps the sprocket clear of mud and debris, preventing performance degradation.
  • Increased Chain Engagement: Precision CNC machining maximizes tooth surface area for better chain contact and extended sprocket life.
  • Durable Construction: Built to withstand the demands of aggressive riding, ensuring reliability.
  • Striking Blue Finish: Adds a unique and stylish custom touch to your motorcycle's appearance.

This ProTaper rear sprocket is designed for a perfect fit on a wide range of Honda and Yamaha models, making it an easy upgrade for your bike. Whether you prioritize performance gains or a custom look, this blue sprocket delivers. Find this premium drivetrain component at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1988-1995 Honda XR250R Base
2001-2009 Yamaha WR250F Base
2011-2013 Yamaha WR250F Base
2015-2023 Yamaha WR250F Base
1999-2000 Yamaha WR400F Base
2001-2002 Yamaha WR426F Base
2003-2009 Yamaha WR450F Base
2011-2023 Yamaha WR450F Base
2020-2023 Yamaha YZ125X Base
1999-2023 Yamaha YZ250 Base
2001-2023 Yamaha YZ250F Base
2015-2023 Yamaha YZ250FX Base
2016-2023 Yamaha YZ250X Base
1999 Yamaha YZ400F Base
2000-2002 Yamaha YZ426F Base
2003-2023 Yamaha YZ450F Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About ProTaper

ProTaper engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ProTaper lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ProTaper Race Spec (RS) Rear Sprocket - 51 Teeth, Blue

Add a splash of color and a boost of performance with the ProTaper Race Spec (RS) Rear Sprocket. This 51-tooth sprocket, finished in a vibrant blue, is engineered to provide enhanced low-end torque and quicker acceleration for your motorcycle. The integrated Angled Mud Groove is a ProTaper innovation that actively clears mud and debris, ensuring consistent performance and reducing wear. This self-cleaning design is crucial for maintaining optimal function in challenging off-road conditions.

Key Features and Benefits:

  • Improved Acceleration: The 51-tooth configuration offers a significant advantage in low-speed traction and rapid acceleration.
  • Self-Cleaning Mud Groove: ProTaper's exclusive design keeps the sprocket clear of mud and debris, preventing performance degradation.
  • Increased Chain Engagement: Precision CNC machining maximizes tooth surface area for better chain contact and extended sprocket life.
  • Durable Construction: Built to withstand the demands of aggressive riding, ensuring reliability.
  • Striking Blue Finish: Adds a unique and stylish custom touch to your motorcycle's appearance.

This ProTaper rear sprocket is designed for a perfect fit on a wide range of Honda and Yamaha models, making it an easy upgrade for your bike. Whether you prioritize performance gains or a custom look, this blue sprocket delivers. Find this premium drivetrain component at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1988-1995 Honda XR250R Base
2001-2009 Yamaha WR250F Base
2011-2013 Yamaha WR250F Base
2015-2023 Yamaha WR250F Base
1999-2000 Yamaha WR400F Base
2001-2002 Yamaha WR426F Base
2003-2009 Yamaha WR450F Base
2011-2023 Yamaha WR450F Base
2020-2023 Yamaha YZ125X Base
1999-2023 Yamaha YZ250 Base
2001-2023 Yamaha YZ250F Base
2015-2023 Yamaha YZ250FX Base
2016-2023 Yamaha YZ250X Base
1999 Yamaha YZ400F Base
2000-2002 Yamaha YZ426F Base
2003-2023 Yamaha YZ450F Base

Product Details

Product Description

About ProTaper

ProTaper engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full ProTaper lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

ProTaper Race Spec (RS) Rear Sprocket - 51 Teeth, Blue

Add a splash of color and a boost of performance with the ProTaper Race Spec (RS) Rear Sprocket. This 51-tooth sprocket, finished in a vibrant blue, is engineered to provide enhanced low-end torque and quicker acceleration for your motorcycle. The integrated Angled Mud Groove is a ProTaper innovation that actively clears mud and debris, ensuring consistent performance and reducing wear. This self-cleaning design is crucial for maintaining optimal function in challenging off-road conditions.

Key Features and Benefits:

  • Improved Acceleration: The 51-tooth configuration offers a significant advantage in low-speed traction and rapid acceleration.
  • Self-Cleaning Mud Groove: ProTaper's exclusive design keeps the sprocket clear of mud and debris, preventing performance degradation.
  • Increased Chain Engagement: Precision CNC machining maximizes tooth surface area for better chain contact and extended sprocket life.
  • Durable Construction: Built to withstand the demands of aggressive riding, ensuring reliability.
  • Striking Blue Finish: Adds a unique and stylish custom touch to your motorcycle's appearance.

This ProTaper rear sprocket is designed for a perfect fit on a wide range of Honda and Yamaha models, making it an easy upgrade for your bike. Whether you prioritize performance gains or a custom look, this blue sprocket delivers. Find this premium drivetrain component at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1988-1995 Honda XR250R Base
2001-2009 Yamaha WR250F Base
2011-2013 Yamaha WR250F Base
2015-2023 Yamaha WR250F Base
1999-2000 Yamaha WR400F Base
2001-2002 Yamaha WR426F Base
2003-2009 Yamaha WR450F Base
2011-2023 Yamaha WR450F Base
2020-2023 Yamaha YZ125X Base
1999-2023 Yamaha YZ250 Base
2001-2023 Yamaha YZ250F Base
2015-2023 Yamaha YZ250FX Base
2016-2023 Yamaha YZ250X Base
1999 Yamaha YZ400F Base
2000-2002 Yamaha YZ426F Base
2003-2023 Yamaha YZ450F Base

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