Amsoil protection is not just for cars and trucks.
They have also applied their technology to developing the best oils for Motorcycles.

Synthetic V-Twin Motorcycle Oil
Advanced multi-functional formula for both domestic and foreign motorcycles. Excellent in air-cooled motorcycle engines due to high heat resistance. Can be used in engines, transmissions and the primary chaincase. Not recommended where an API GL-4 or GL-5 gear oil is required.

Synthetic Motorcycle Oil
Synthetic Motorcycle Oil is a premium oil designed for those who demand the absolute best lubrication for their motorcycles. The result of extensive research, it is specially formulated to excel in all areas unique to motorcycles, including high engine RPM, wet-clutch lubrication and more.

Synthetic V-Twin Primary Fluid
AMSOIL Synthetic V-Twin Primary Fluid is purpose-built for bikers who prefer a dedicated primary chaincase lubricant.

Synthetic V-Twin Transmission Fluid
AMSOIL Synthetic V-Twin Transmission Fluid is specifically designed for bikers who prefer a dedicated transmission fluid over a multi-use lubricant.

Synthetic Metric Motorcycle Oil
Whether riding aggressively, cruising or in stop-and-go traffic, AMSOIL Synthetic Metric Motorcycle Oil delivers the benefits most important to riders, including premium wear protection; smooth, confident shifts and cool, clean performance.

Synthetic Dirt Bike Oil
Engineered to deliver the performance attributes most requested by on- and off-track dirt bike riders, including consistent clutch feel. Consistent clutch feel is the result of "friction durability," so whether deep into a race or deep in the woods, riders can feel confident their clutch will perform from start to finish. AMSOIL-exclusive advanced chemistry provides outstanding engine reliability for worry-free operation under severe conditions.

V-Twin Oil Change Kit
The AMSOIL V-Twin Oil Change Kit (HDCK) combines everything needed to perform an AMSOIL oil change on most 1999-2016 Harley-Davidson* motorcycles in one convenient package.