25 4mm bore 16hp go kart heavy duty centrifugal clutch pulley 3600rpm

Go Kart Centrifugal Clutch 3/4″ 10T bore Heavy Duty 40 41 420 Chain 1041 13HP
Spec:
10 tooth, 3/4″ bore, #40/41/420 chain with 3/16 key built in.
Common clutch for 3.5 hp – 7hp engines using #40/41/420 chain.
Mount onto crankshaft using bolt and washer on the end of the crankshaft.

Fitment:
1. MINI BIKE, GO KART, LAWNMOWER AND MORE
2. Fits the #40/41/420 chain. Chain is NOT included.

Centrifugal clutches are designed to be used with tires no larger than 15″ tall. With a live axle kart you need to run at least a 60T sprocket and then it is only good on flat surfaces.
Chain not included.
Centrifugal Clutch 10 tooth, 3/4″ bore, Fits #40/41/420 chain with 3/16″ key.
Common clutch for 3.5-7hp engines using #40/41/420 chain.