Moto-Master 7075 Aluminum Rear Sprocket, 51-Tooth Blue, Suzuki/Yamaha (620042451)

Upgrade your motorcycle’s final-drive performance with the MOTO-MASTER 7075 Aluminum Rear Sprocket, part number 620042451. Designed for compatible Suzuki and Yamaha applications, this 51-tooth rear sprocket combines lightweight construction with the strength required for demanding street, off-road, and racing environments. Its aircraft-grade 7075-T6 aluminum construction helps reduce rotating mass while maintaining dependable durability.
The MOTO-MASTER 620042451 features self-cleaning grooves between each tooth to help prevent mud and debris from building up during off-road riding. The race-proven design delivers an optimized strength-to-weight ratio, making it one of the lighter sprocket options available without sacrificing reliable power transfer. A color-anodized blue surface adds extra protection against wear while providing a clean, performance-focused appearance.
Each sprocket is CAD designed and CNC machined in the Netherlands using advanced manufacturing technology to provide accurate tooth profiles and consistent fitment. The 51-tooth configuration can help tailor acceleration and overall gearing when matched with the appropriate chain and front sprocket. Confirm motorcycle compatibility and gearing requirements before installation, and follow the manufacturer’s recommended chain tension and torque specifications.

Features:

• Construction: Aircraft-grade 7075-T6 aluminum provides a lightweight, strong foundation for demanding motorcycle use.

• Tooth Design: Self-cleaning grooves help reduce mud and debris buildup between the teeth.

• Performance: Race-proven design delivers an optimized strength-to-weight ratio for reduced rotating mass.

• Finish: Blue color-anodized coating adds durability and a distinctive appearance.

• Manufacturing: CAD designed and CNC machined in the Netherlands using advanced technology.

• Application: 51-tooth rear sprocket designed for compatible Suzuki and Yamaha motorcycles.

• Part Number: MOTO-MASTER 620042451.

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