Sunstar 42T 520 Steel Rear Sprocket — Fits Yamaha Motorcycles

SKU: FJMF_2-353842
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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 Sunstar

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

Watch in action

Maximize Yamaha Performance with Sunstar 42T Sprockets

Experience the perfect balance of strength and performance with the Sunstar 42T 520 Steel Rear Sprocket. Designed specifically for Yamaha riders who demand longevity and precision, this sprocket is crafted from premium-grade steel and subjected to a rigorous heat-treatment process. This ensures that the sprocket can handle high torque loads while maintaining its tooth profile over thousands of miles of riding.

Engineered for Excellence

Sunstar’s commitment to quality makes this 42-tooth rear sprocket an ideal choice for riders looking to maintain or improve their motorcycle's performance. The 520 pitch design is a standard for many performance-oriented motorcycles, providing a lightweight yet incredibly robust solution for power transfer from the engine to the rear wheel. Its precision-machined construction reduces vibration and ensures a smooth, quiet ride.

  • 42-tooth configuration for improved acceleration
  • Designed for 520 pitch chain systems
  • Heat-treated carbon steel for superior wear resistance
  • OEM-quality fitment for Yamaha motorcycles
  • Lightweight design without compromising structural integrity

Whether you are tackling tight corners or cruising on the highway, a reliable rear sprocket is essential for consistent power delivery. By choosing Sunstar, you are opting for a component that has been tested in the most demanding environments. Keep your Yamaha running at its peak with high-quality drivetrain components found at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Sunstar

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

Watch in action

Maximize Yamaha Performance with Sunstar 42T Sprockets

Experience the perfect balance of strength and performance with the Sunstar 42T 520 Steel Rear Sprocket. Designed specifically for Yamaha riders who demand longevity and precision, this sprocket is crafted from premium-grade steel and subjected to a rigorous heat-treatment process. This ensures that the sprocket can handle high torque loads while maintaining its tooth profile over thousands of miles of riding.

Engineered for Excellence

Sunstar’s commitment to quality makes this 42-tooth rear sprocket an ideal choice for riders looking to maintain or improve their motorcycle's performance. The 520 pitch design is a standard for many performance-oriented motorcycles, providing a lightweight yet incredibly robust solution for power transfer from the engine to the rear wheel. Its precision-machined construction reduces vibration and ensures a smooth, quiet ride.

  • 42-tooth configuration for improved acceleration
  • Designed for 520 pitch chain systems
  • Heat-treated carbon steel for superior wear resistance
  • OEM-quality fitment for Yamaha motorcycles
  • Lightweight design without compromising structural integrity

Whether you are tackling tight corners or cruising on the highway, a reliable rear sprocket is essential for consistent power delivery. By choosing Sunstar, you are opting for a component that has been tested in the most demanding environments. Keep your Yamaha running at its peak with high-quality drivetrain components found at GGCRACING.

Product Details

Product Description

About Sunstar

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

Watch in action

Maximize Yamaha Performance with Sunstar 42T Sprockets

Experience the perfect balance of strength and performance with the Sunstar 42T 520 Steel Rear Sprocket. Designed specifically for Yamaha riders who demand longevity and precision, this sprocket is crafted from premium-grade steel and subjected to a rigorous heat-treatment process. This ensures that the sprocket can handle high torque loads while maintaining its tooth profile over thousands of miles of riding.

Engineered for Excellence

Sunstar’s commitment to quality makes this 42-tooth rear sprocket an ideal choice for riders looking to maintain or improve their motorcycle's performance. The 520 pitch design is a standard for many performance-oriented motorcycles, providing a lightweight yet incredibly robust solution for power transfer from the engine to the rear wheel. Its precision-machined construction reduces vibration and ensures a smooth, quiet ride.

  • 42-tooth configuration for improved acceleration
  • Designed for 520 pitch chain systems
  • Heat-treated carbon steel for superior wear resistance
  • OEM-quality fitment for Yamaha motorcycles
  • Lightweight design without compromising structural integrity

Whether you are tackling tight corners or cruising on the highway, a reliable rear sprocket is essential for consistent power delivery. By choosing Sunstar, you are opting for a component that has been tested in the most demanding environments. Keep your Yamaha running at its peak with high-quality drivetrain components found at GGCRACING.

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