HD Formula+ Transmission/Primary Chaincase Oil, 1L

Formel+ developed with a proprietary mineral basestock formula and TESTED-CERTIFIED by Harley-Davidson® Motor Company, Formula+ is blended to provide lubricity for the anti-wear requirements of transmission gears. TESTED-CERTIFIED Extended Service intervals listed below.

- Primary Chaincase: ’84-later Big Twin models with wet-type diaphragm spring clutch. Every 10,000 miles, or prior to winter or extended storage periods
- Transmission: All Big Twin models. Every 20,000 miles, or prior to winter or extended storage periods
- Primary/Transmission: ’71-later XL and ’83-’84 XR1000 models. Every 10,000 miles, or prior to winter or extended storage periods
- Formulated to maintain the coefficient of friction for proper clutch operation and provide adequate lubrication to the primary chain
- Approved for use in all stages of transmission and primary chaincase life
- Not for use in the crankcase as a motor oil
- 1 quart bottle