Sunstar Steel Rear Sprocket 42T 520 Pitch — Fits Yamaha Motorcycles

SKU: FJMF_2-354042
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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.

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Durable Sunstar Steel Rear Sprocket for Yamaha

Ensure your Yamaha motorcycle delivers consistent power to the ground with the Sunstar 42T 520 steel rear sprocket. Engineered for riders who value reliability and long-lasting performance, this sprocket is crafted from high-strength hardened steel. Sunstar is renowned for its precision manufacturing, ensuring that every sprocket meets or exceeds OEM specifications for tooth profile and fitment.

Engineered for Longevity

Steel sprockets are the preferred choice for riders looking for maximum durability. Unlike lightweight aluminum, this steel unit offers exceptional wear resistance, meaning you spend less time on maintenance and more time on the road or track. Key benefits include:

  • 42-tooth configuration for balanced gearing
  • 520 pitch compatibility for popular high-performance chains
  • Hardened steel construction for superior impact resistance
  • Precision-machined teeth for smooth chain operation
  • Corrosion-resistant coating for long-term protection

Whether you are performing a routine drivetrain service or looking to optimize your Yamaha's gear ratio for specific riding conditions, this Sunstar sprocket is the perfect solution. Its robust construction ensures that it can handle the torque and power output of modern motorcycles without premature wear. By maintaining a healthy drivetrain, you ensure that your engine's power is transferred efficiently, improving overall acceleration and responsiveness. Trust in the quality of Sunstar to keep your motorcycle running smoothly. Find all your essential drivetrain components and motorcycle accessories 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

Durable Sunstar Steel Rear Sprocket for Yamaha

Ensure your Yamaha motorcycle delivers consistent power to the ground with the Sunstar 42T 520 steel rear sprocket. Engineered for riders who value reliability and long-lasting performance, this sprocket is crafted from high-strength hardened steel. Sunstar is renowned for its precision manufacturing, ensuring that every sprocket meets or exceeds OEM specifications for tooth profile and fitment.

Engineered for Longevity

Steel sprockets are the preferred choice for riders looking for maximum durability. Unlike lightweight aluminum, this steel unit offers exceptional wear resistance, meaning you spend less time on maintenance and more time on the road or track. Key benefits include:

  • 42-tooth configuration for balanced gearing
  • 520 pitch compatibility for popular high-performance chains
  • Hardened steel construction for superior impact resistance
  • Precision-machined teeth for smooth chain operation
  • Corrosion-resistant coating for long-term protection

Whether you are performing a routine drivetrain service or looking to optimize your Yamaha's gear ratio for specific riding conditions, this Sunstar sprocket is the perfect solution. Its robust construction ensures that it can handle the torque and power output of modern motorcycles without premature wear. By maintaining a healthy drivetrain, you ensure that your engine's power is transferred efficiently, improving overall acceleration and responsiveness. Trust in the quality of Sunstar to keep your motorcycle running smoothly. Find all your essential drivetrain components and motorcycle accessories 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

Durable Sunstar Steel Rear Sprocket for Yamaha

Ensure your Yamaha motorcycle delivers consistent power to the ground with the Sunstar 42T 520 steel rear sprocket. Engineered for riders who value reliability and long-lasting performance, this sprocket is crafted from high-strength hardened steel. Sunstar is renowned for its precision manufacturing, ensuring that every sprocket meets or exceeds OEM specifications for tooth profile and fitment.

Engineered for Longevity

Steel sprockets are the preferred choice for riders looking for maximum durability. Unlike lightweight aluminum, this steel unit offers exceptional wear resistance, meaning you spend less time on maintenance and more time on the road or track. Key benefits include:

  • 42-tooth configuration for balanced gearing
  • 520 pitch compatibility for popular high-performance chains
  • Hardened steel construction for superior impact resistance
  • Precision-machined teeth for smooth chain operation
  • Corrosion-resistant coating for long-term protection

Whether you are performing a routine drivetrain service or looking to optimize your Yamaha's gear ratio for specific riding conditions, this Sunstar sprocket is the perfect solution. Its robust construction ensures that it can handle the torque and power output of modern motorcycles without premature wear. By maintaining a healthy drivetrain, you ensure that your engine's power is transferred efficiently, improving overall acceleration and responsiveness. Trust in the quality of Sunstar to keep your motorcycle running smoothly. Find all your essential drivetrain components and motorcycle accessories at GGCRACING.

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