Product Review

Centrifugal clutch designed to be used on one wheel karts with rear tires no larger than 15" tall, and engines 2hp-7hp.
Larger tires and live axles recommend using Torque-converter ( ASIN:B07T1KRS4V)

Specifications:
Clutch Bore: 3/4"
Sprocket: 10 teeth for #40/41/420 Chian
Clutch Dia: 107mm
Clutch Height: 55mm
Engagement Speed: 2300±300 RPM
Recommended Engine: 2HP - 7HP, 3/4" shaft with flat key

Fitment:
2 - 6.5hp Honda & Honda Cloned Engines GC160, GC190, GX120, GX140, GX160, GX200
Perfect For Go Kart Minibike Baja Mini Bike MB165 & MB200 (Baja Heat, Mini Baja, Baja Warrior)
Common clutch for 3.5-7hp engines using #40/41/420 chain
Briggs & Stratton and 2 - 6.5 HP With 3/4" Shaft
Tecumseh Engines 2 - 6.5 HP With 3/4" Shaft

This Kit Includes:
1x 10 teeth #40/41/420 chain centrifugal clutch
1x #40/41/420 chain

Set Screws NOT Included. Mounts onto crankshaft using bolt and washer on the end of the crankshaft.
(Clutch does not need set screws as long as the end of the crankshaft is threaded to accept a bolt. Most go kart clutches are held onto the shaft with a bolt and larger washer. Extra washers if needed are used on the crankshaft to space clutch.)