Centrifugal Clutch Assembly - 5/8 Bore 12 Tooth for Go-Karts and Mini Bikes - Version 54 108799 This style starter clutch has

This style starter clutch has 60 teeth

Adventure 640 98-00 and others

Starter Clutch - 20 Sprag - CG200 CG250 Engine

Piston Pin Diameter:  9

Choke lever (slightly different tan pictured)

Centrifugal Clutch Assembly - 5/8 Bore 12 Tooth for Go-Karts and Mini Bikes - Version 54 108799 This style starter clutch hasCentrifugal Clutch Assembly 5 8 Bore 12 Tooth for Go Karts and Mini Bikes Version 54 Clutch assembly is a centrifugal clutch for go karts and mini bikes. Clutch details: 5 8 Bore 12 Tooth Teeth Used with #35 chain FS 10020 Known to fit 6. 5hp engines with 5 8 inch shafts. Fits the Coleman SK100 go kart. Check pictures and measurements to be sure this is the correct clutch for your application.