Genuine SYN Blend Motorcycle Oil is a formulation engineered by Harley-Davidson™ and factory tested for optimal performance. This oil blends premium base stocks with premium Harley-Davidson™ proprietary additives for: Optimized durability Minimal friction loss Wide ambient operating temperature Superior durability for engine components over a wide operating range and temperature Supports tighter engine tolerances in colder temperatures Formulated for optimal clutch, engine, and transmission performance Facilitates long life of emission components, including exhaust catalyst
