Sunstar 520 Aluminum Rear Sprocket 43t — Fits Yamaha Off-Road Motorcycles

SKU: FJMF_5-348543
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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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Precision Engineered Drivetrain Performance

Optimize your Yamaha's power delivery with the Sunstar 520 Aluminum Rear Sprocket. Crafted for riders who demand precision and durability, this 43-tooth sprocket is the perfect upgrade for competitive motocross and enduro applications. Sunstar is renowned for its industry-leading manufacturing standards, ensuring that every sprocket provides maximum power transfer from your engine to the rear wheel.

Why Choose Sunstar Aluminum Sprockets?

  • Material: Aerospace-grade aluminum for weight reduction
  • Tooth Count: 43t for optimized acceleration
  • Pitch: 520 chain compatibility
  • Durability: Hard-anodized finish for extended wear life
  • Fitment: Precision machined for Yamaha hub patterns

The lightweight aluminum construction significantly reduces unsprung weight, improving your motorcycle's suspension response and overall handling. By minimizing rotational mass, you will notice snappier acceleration out of corners and improved throttle response across the powerband. The 520 pitch design is perfectly balanced to handle the high torque demands of modern off-road engines while maintaining a sleek, professional aesthetic. Whether you are lining up at the gate for a local moto or tackling technical trail sections, this sprocket delivers the consistency and reliability required for podium finishes. Installation is straightforward, allowing you to get back on the track faster. Trust in the engineering excellence of Sunstar to keep your drivetrain running at peak efficiency. Elevate your ride with premium components from 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

Precision Engineered Drivetrain Performance

Optimize your Yamaha's power delivery with the Sunstar 520 Aluminum Rear Sprocket. Crafted for riders who demand precision and durability, this 43-tooth sprocket is the perfect upgrade for competitive motocross and enduro applications. Sunstar is renowned for its industry-leading manufacturing standards, ensuring that every sprocket provides maximum power transfer from your engine to the rear wheel.

Why Choose Sunstar Aluminum Sprockets?

  • Material: Aerospace-grade aluminum for weight reduction
  • Tooth Count: 43t for optimized acceleration
  • Pitch: 520 chain compatibility
  • Durability: Hard-anodized finish for extended wear life
  • Fitment: Precision machined for Yamaha hub patterns

The lightweight aluminum construction significantly reduces unsprung weight, improving your motorcycle's suspension response and overall handling. By minimizing rotational mass, you will notice snappier acceleration out of corners and improved throttle response across the powerband. The 520 pitch design is perfectly balanced to handle the high torque demands of modern off-road engines while maintaining a sleek, professional aesthetic. Whether you are lining up at the gate for a local moto or tackling technical trail sections, this sprocket delivers the consistency and reliability required for podium finishes. Installation is straightforward, allowing you to get back on the track faster. Trust in the engineering excellence of Sunstar to keep your drivetrain running at peak efficiency. Elevate your ride with premium components from 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

Precision Engineered Drivetrain Performance

Optimize your Yamaha's power delivery with the Sunstar 520 Aluminum Rear Sprocket. Crafted for riders who demand precision and durability, this 43-tooth sprocket is the perfect upgrade for competitive motocross and enduro applications. Sunstar is renowned for its industry-leading manufacturing standards, ensuring that every sprocket provides maximum power transfer from your engine to the rear wheel.

Why Choose Sunstar Aluminum Sprockets?

  • Material: Aerospace-grade aluminum for weight reduction
  • Tooth Count: 43t for optimized acceleration
  • Pitch: 520 chain compatibility
  • Durability: Hard-anodized finish for extended wear life
  • Fitment: Precision machined for Yamaha hub patterns

The lightweight aluminum construction significantly reduces unsprung weight, improving your motorcycle's suspension response and overall handling. By minimizing rotational mass, you will notice snappier acceleration out of corners and improved throttle response across the powerband. The 520 pitch design is perfectly balanced to handle the high torque demands of modern off-road engines while maintaining a sleek, professional aesthetic. Whether you are lining up at the gate for a local moto or tackling technical trail sections, this sprocket delivers the consistency and reliability required for podium finishes. Installation is straightforward, allowing you to get back on the track faster. Trust in the engineering excellence of Sunstar to keep your drivetrain running at peak efficiency. Elevate your ride with premium components from GGCRACING.

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