Bel-Ray Thumper Gear Saver Transmission Oil

10% off MSRP


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Bel Ray Thumper Gear Saver Transmission Oil

Bel Ray Thumper Gear Saver Transmission Oil is a premium 4-stroke transmission oil that has been developed for the unique demands of 4-stroke motorcycles equipped with separate engines and transmissions. Formulated with extra protection for gears and bearings subject to high torque loads of today’s powerful 4-stroke Thumper engines. This multi-viscosity formula flows freely for better clutch cooling and provides positive clutch engagement for better starts and longer clutch life while protecting highly-loaded gears from wear, ensuring smooth shifts for more positive action..


  • Eliminates wear by chemically bonding to gear wear areas
  • Prevents metal to metal contact caused by heavy shock loads during on/off throttle operation
  • Special lubricity additives cling to metal surfaces reducing internal friction
  • High film strength and reduced film thickness lower internal drag and heat build-up
  • Prevents viscosity loss due to shear
  • Meets the frictional requirements for improved grip and smooth power transfer without clutch slippage or grabbing for consistent hole-shot performance
  • Meets or exceeds API GL-4 and GL-5 requirements.
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Product Style Item # Manufacturer Product # Availability
1 Liter / 80W85 775957 444073 In Stock: Ships within 24 hours