Comet 203971A 400 Series Automatic Centrifugal Clutch 3/4" Bore #40/41 Chain

The Comet LA 400 Series centrifugal clutch is designed for use with up to 8 HP 4-cycle engines, featuring straight centrifugal rotor action that provides a smooth, non-aggressive engagement at approximately 2000 RPM. This model features a 3/4-inch bore and is compatible with #40/41 pitch chain applications.

Key Features:

• Nearly 3-3/4 square inches of steel friction material engagement shoe surface ensures positive pulling power throughout the full RPM contact range
• Self-contained design operates reliably under harsh conditions including sand, grit, gravel, and dirt, with service parts available for maintenance
• Pre-lubed idler bushing, high temperature spring, and zinc-plated outer drum
• Manufactured in the USA by Comet Industries
• Single sprocket configuration for chain drive applications

This Comet clutch is one of the toughest applications ever built in an affordable and modestly-priced automatic centrifugal clutch, designed specifically for direct drive mini bikes and go-karts. The rugged construction and proven design ensure reliable performance and long service life in powersports applications.