Pjh 9-50-1G Synthetic Blend Motor Oil 4T - 20W-50 1 Gallon Chemical #9-50-1G automotive-gear-oils or go steep you want

or go steep you want SuperATV

3 Gallons per 20 Turns

Be sure your breather tubes are free of any belt material (broken belt material gets everywhere)

and hardware would mean nothing if we had just average bearings

API GL-5 Gear Oil

Pjh 9-50-1G Synthetic Blend Motor Oil 4T - 20W-50 1 Gallon Chemical #9-50-1G automotive-gear-oils or go steep you wantRacing Grade Motor Oil High performance semi synthetic blend Single or multi cylinder applications Formulated with anti shearing agents and friction modifiers for wet clutch applications Meets or exceeds API SG and JASO MA Good for motors with wet or dry clutches 20W 50 One Gallon