AMSOIL Synthetic Dirt Bike Oil is engineered from ground up to specifically address unique requirements faced by dirt bike engines and their riders.

While formulating the AMSOIL Dirt Bike Oil, engineers focussed on inconsistent clutch performance in dirt bikes. AMSOIL Synthetic Dirt Bike Oil was designed specifically for consistent clutch feel to give riders confidence to ride the way they want.

This property is not found in AMSOIL motorcycle oils designed for on-road performance.

AMSOIL motorcycle oil is perfectly suitable for dirt bikes, however, AMSOIL Synthetic Dirt Bike Oil is formulated specifically to meet the unique demands of four-stroke dirt bikes.

For example, the clutch feel, clutch & engine protection are finely tuned specifically for the demands of dirt bike riders, while AMSOIL Synthetic Motorcycle Oil is formulated more to the needs of on-road motorcycles.

YES. If the bike is equipped with separate sumps, AMSOIL recommends 10W-40 Synthetic Dirt Bike Oil in both sumps.

YES. AMSOIL Synthetic Dirt Bike Oil is a high-performance replacement for vehicle manufacturer-branded products. It meets and exceeds oil specification as determined by the original equipment manufactures (OEM). 

AMSOIL Synthetic Dirt Bike Oil should be changed according to the vehicle manufacturer's recommendations.