Moto-Master 7075-T6 Aluminum Rear Sprocket 51-Tooth Blue for Yamaha (620092451)

Upgrade your Yamaha drivetrain with the MOTO-MASTER 7075 Aluminum Rear Sprocket, part number 620092451. Designed for riders who demand dependable performance with minimal rotating weight, this 51-tooth rear sprocket is manufactured from aircraft-grade 7075-T6 aluminum for an excellent balance of strength, durability, and weight savings. Its race-proven design supports responsive acceleration and efficient power transfer across demanding riding conditions.
The sprocket features self-cleaning grooves between each tooth to help reduce mud and debris buildup, supporting consistent chain engagement during off-road use. A color-anodized blue surface adds durable protection while giving your motorcycle a distinctive appearance. The optimized strength-to-weight ratio makes this one of the lightest sprocket designs available without compromising the performance expected from a competition-focused drivetrain component.
MOTO-MASTER CAD designs and CNC machines each sprocket in the Netherlands using advanced manufacturing technology to maintain accurate tooth profiles and reliable fitment. The 51-tooth configuration is engineered for Yamaha applications and is a practical choice for riders replacing a worn sprocket or tuning final-drive performance. Install the MOTO-MASTER 620092451 rear sprocket as part of a properly matched chain and drivetrain setup for best results.

Features:

• Aircraft-grade 7075-T6 aluminum construction for strength and reduced weight

• 51-tooth rear sprocket designed for compatible Yamaha motorcycles

• Self-cleaning grooves help prevent mud and debris buildup between teeth

• Blue color-anodized surface provides added durability and a distinctive finish

• Race-proven design with an optimized strength-to-weight ratio

• CAD designed and CNC machined using advanced manufacturing technology

• Manufactured in the Netherlands by MOTO-MASTER

Ships from Parts Unlimited.