Provide the best protection for your older or classic motorcycles with Penrite MC4-ST HD 50 motorcycle engine oil. This premium mineral, SAE 50, non-friction modified engine oil is formulated using high quality mineral base oils and Penrite’s superior FULL ZINC (1300+ ppm) anti wear additives package to provide the ultimate in performance end protection for your engine, gearbox and clutch. Penrite MC4-ST HD 50 also assists in maintaining engine oil pressure and control engine oil consumption, more common on older or worn out motorcycles.

Penrite MC4-ST HD 50 is suitable for use in four stroke road, sport, dirt and endurance bikes where API SG/CD or earlier specification SAE 50 monograde oil is recommended. Penrite MC-4ST HD 50 is ideal for use in pre 1984 Harley Davidson and Pre 1985 Ducati motorcycles as well as many other classic motorcycles from manufactures such as Ariel, BSA, Indian, Norton and Royal Enfield. Also ideal for use in older, worn engines or those burning excessive oil that usually recommended SAE 30 or SAE 40 oils are used.

To find the engine oil type and weight suggested for your vehicle check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.