Moto-Master Rear Sprocket, 42-Tooth for GasGas, Husqvarna and KTM (620291142)

Upgrade your motorcycle’s final-drive performance with the MOTO-MASTER 620291142 Rear Sprocket. Designed for select GasGas, Husqvarna, and KTM applications, this 42-tooth sprocket combines durable construction with a race-proven design to support reliable power transfer and long service life in demanding riding conditions.
Constructed from top-grade hardened steel, the MOTO-MASTER rear sprocket is engineered to outlast a comparable aluminum sprocket by up to three times under similar use. Its specialized coating adds an extra layer of durability, helping the sprocket resist wear during trail riding, racing, and other high-load applications. The result is a dependable replacement component built for riders who expect consistent drivetrain performance.
CAD-designed and laser-cut using advanced manufacturing technology, the 620291142 sprocket delivers an optimized strength-to-weight ratio without sacrificing durability. Precision production helps ensure accurate tooth geometry and dependable chain engagement when properly matched to the motorcycle’s drivetrain. Always verify fitment, chain compatibility, and the required tooth count for your specific application before installation.
Whether used as a replacement or as part of a drivetrain setup, the MOTO-MASTER 42-tooth rear sprocket provides a practical balance of strength, weight, and long-term wear resistance. Its professional-grade construction makes it a suitable choice for maintaining the performance and reliability of compatible GasGas, Husqvarna, and KTM motorcycles.

Features:

• Brand: MOTO-MASTER

• Part Number: 620291142

• Application: Rear sprocket for select GasGas, Husqvarna, and KTM motorcycles

• Tooth Count: 42 teeth

• Material: Top-grade hardened steel

• Durability: Engineered to outlast an aluminum sprocket by up to three times under similar conditions

• Coating: Special coating for enhanced durability

• Design: Race-proven construction with an optimized strength-to-weight ratio

• Manufacturing: CAD-designed and laser-cut using advanced technology

Ships from Parts Unlimited.