FIA approved 7/16 thread

Belt pulley 150 mm for the belt drive — the smaller of the two pulley sizes

Intake gasket

Hose cone 6 mm — the cone that seals the hose connection when the nut is tightened

Lång M8 Nut with inside hex key

Sekundär växel DD2 Rotax FreightClass-A FIA approved 7/16 threadIt is easy to change gear on a Rotax DD2. Just remove the transmission cover carefully not destroying the gasket. The gears are located under the cover, you can just lift the gears up and replacing them with new gear. The total numer of teeth on a Rotax DD2 should be 97 teeth to fit together. Gear ratio 1: st gear Rotax DD2 Primary Secondary Ratio Traditional Gear Top speed at 12500 rpm 32 65 8,65 10 87 75 km h 33 64 8,26 11 91 79 km h 34 63 7,89 11