Thumper?(R) Gear Saver Transmission OilDeveloped for the unique demands of 4-stroke racing motorcycles equipped with separate engines and transmissionsFormulated to protect gears and bearings subject to high torque loads of today&aposs powerful 4-stroke Thumper enginesMulti-viscosity formula flows freely for better clutch cooling and positive clutch engagement for better startsProtects highly-loaded gears from wear to ensure smooth shifts for more positive action