Top Performances complete gearbox for Minarelli AM6 series 1 & 2 50cc 2-stroke engines.

Close ratio gears, supplied as a kit with gears already fitted to the gearbox and primary shafts

Ratio:
1st =  (36/14) (2.27:1 overall)
2nd = (30/16) 1.65:1
3rd = (29/19) 1.35:1
4th = (27/20) 1.19:1
5th = (26/21) 1.09:1
6th = (25/22) 1:1

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