Moto-Master Rear Sprocket, 43-Tooth for Gas Gas, Husqvarna and KTM (620291143)

Upgrade your motorcycle’s final-drive performance with the MOTO-MASTER 620291143 Rear Sprocket. Designed for Gas Gas, Husqvarna, and KTM applications, this 43-tooth sprocket is built from top-grade hardened steel for dependable strength and long-lasting durability. Compared with a conventional aluminum sprocket, its hardened steel construction can provide up to three times the service life, helping reduce replacement frequency during demanding riding conditions.
The sprocket features a special protective coating that enhances durability and helps it withstand the wear associated with off-road riding, racing, and regular drivetrain use. Its race-proven design delivers an effective strength-to-weight balance, supporting reliable power transfer without adding unnecessary bulk to the motorcycle’s final drive system. The 43-tooth configuration is suited to riders seeking a dependable replacement or gearing component for compatible applications.
MOTO-MASTER uses computer-aided design and precision laser-cutting technology to produce the 620291143 with accurate tooth profiles and consistent manufacturing quality. The result is a durable rear sprocket engineered for fit, performance, and extended use. Verify motorcycle compatibility and the required chain size before installation. Professional installation is recommended to ensure proper alignment, torque, and drivetrain adjustment.

Features:

• Brand: MOTO-MASTER

• Part Number: 620291143

• Sprocket Type: Rear

• Tooth Count: 43 teeth

• Material: Top-grade hardened steel

• Durability: Designed to outlast an aluminum sprocket by up to three times

• Coating: Special protective coating for enhanced durability

• Design: Race-proven strength-to-weight ratio

• Manufacturing: CAD designed and precision laser cut

• Fitment: Compatible with select Gas Gas, Husqvarna, and KTM motorcycles

Ships from Parts Unlimited.