Moose Racing Dual Rear Sprocket, 51 Tooth, Blue for Yamaha (1210-251-51-12X)

The Moose Offroad 1210-251-51-12X Dual Rear Sprocket is engineered for riders who demand dependable performance and extended service life from their Yamaha drivetrain. Combining a lightweight aluminum inner ring with a durable steel outer ring, this 51-tooth rear sprocket delivers a practical balance of reduced weight, strength, and wear resistance. Its blue finish adds a distinctive appearance while maintaining the rugged construction expected from Moose Offroad components.
The inner ring is manufactured from 7075-T6 aluminum, a high-strength material selected to help reduce rotating weight compared with conventional steel sprockets. The outer ring is made from heavy-duty steel to withstand demanding off-road use, repeated acceleration, and harsh riding conditions. This dual-material design is intended to outlast standard aluminum rear sprockets while offering a lighter alternative to traditional all-steel construction.
Self-cleaning mud grooves between each tooth help prevent dirt and debris from building up around the chain engagement area. By promoting cleaner operation in muddy and abrasive environments, the grooves support consistent chain movement and help reduce the effects of packed-in trail debris. The 51-tooth configuration is designed for compatible Yamaha applications requiring the Moose Offroad 1210-251-51-12X rear sprocket.
Feature: Dual-material construction combines a 7075-T6 aluminum inner ring with a heavy-duty steel outer ring.
Feature: 51-tooth rear sprocket configuration for compatible Yamaha motorcycles and off-road vehicles.
Feature: Self-cleaning mud grooves help prevent dirt buildup between the teeth.
Feature: Blue finish provides a distinctive look for custom and replacement applications.
Feature: Lightweight alternative to steel rear sprockets with increased durability over standard aluminum designs.

Features:

• Dual-material construction combines a 7075-T6 aluminum inner ring with a heavy-duty steel outer ring.

• 51-tooth rear sprocket configuration for compatible Yamaha motorcycles and off-road vehicles.

• Self-cleaning mud grooves help prevent dirt buildup between the teeth.

• Blue finish provides a distinctive look for custom and replacement applications.

• Lightweight alternative to steel rear sprockets with increased durability over standard aluminum designs.

Ships from Parts Unlimited.