Gear clusters Primary clutch 50cc 70cc 90cc 110cc 4 speed manual or semi All up or all down
Input shaft
Length overall 119mm
17mm spline
12mm bearing type
1st 11T
2nd 16T
3rd 20T
4th 23T
Output shaft
Length overall 116mm
17mm spline sprocket shaft
12mm bearing clutch side
1st 36T
2nd 31T
3rd 27T
4th 24T