Syn Primary Case Lube


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100% Synthetic Primary Case Lube specifically designed for Harley-Davidson motorcycles. Advanced additives reduce clutch and fluid drag while lubricating gears, sprockets, chains and all critical primary case components. Superior film strength for greater protection against shock loads. Ester Synthetics provide decreased operating temperatures.


Protect from contamination. Dispose of per local regulations.

Designed for use in all 1984 and later models with wet diaphragm spring clutches.

Technical Data

  • Grade SAE Synthetic

  • Color D 1500 Honey

  • Gravity °A.P.I. 29.6

  • Viscosity cSt @ 40°C 63.45

  • Viscosity cSt @ 100°C 8.57

  • Pour Point °F -20

  • Flash Point °F 465

  • Fire Point °F 500

  • Viscosity Index 140

  • SAE Viscosity 80wt