Spectro "Premium" primary chain & transmission lubricant is the best available fluid for lubrication of Harley-Davidson chain-cases and chain-case/transmission combinations under all conditions. The use of "Premium" primary chain-case/transmission lubricant eliminates most gear noises and clutch sticking even after prolonged periods of storage. It is formulated with special high-shear polymers to eliminate gear wear and ensure positive clutch control and smooth operation. Spectro "Premium" primary and transmission lubricant is recommended for use in all Big Twin with closed primaries and all Sportster models with combined primary/transmission.

USE OF SPECTRO PRODUCTS WILL SAFEGUARD YOUR WARRANTY •Frequently asked questions (FAQ) on the application of EU antitrust rules in the motor vehicle sector, August 27, 2012 Zodiac International B.V. hereby states that it meets all American Made Motorcycle Manufacturer's warranty requirements set forth by the motorcycle manufacturer. Remember, choosing an alternative to the O.E.M. is not only allowed by the manufacturer, it is your right as a consumer. USE OF THIS PRODUCT WILL NOT VOID YOUR WARRANTY •You must follow the directions for engine break-in and maintenance as explained in your owner's manual. This oil is compatible with other modern oils and will mix readily unless specified by the manufacturer.