AMSOIL Synthetic V-Twin Motorcycle Oil resists viscosity breakdown 6X better than Harley-Davidson* SYN3* for improved protection against compensator and transmission gear wear.**See the Results
Keep your Harley-Davidson running optimally and prolong engine and transmission life with everything needed to perform an oil change in one convenient box.Shop Now
AMSOIL synthetic motorcycle oils use premium synthetic base oils that naturally resist breakdown from extreme engine heat, so you can ride longer and farther.
We’re thrilled to sponsor several iconic American motorcycle events and races for millions of riders every year, including the Sturgis, Daytona and Laconia rallies.Learn More
Gary, Verified Buyer
"I’ve run into some very hot summer traffic in Branson, Missouri and the oil pressure and temperature stayed amazingly stable under extreme-heat conditions."