Synthetic Dirt Bike Oil FAQs

 Synthetic Dirt Bike Oil is formulated specifically to deliver benefits unique to dirt bikes. For example, consistent clutch performance is critical 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. Extensive laboratory and field testing confirms a significant advantage in clutch operation with AMSOIL Synthetic Dirt Bike Oil.

 Although AMSOIL Synthetic Motorcycle Oil is perfectly suitable for dirt bikes, AMSOIL Synthetic Dirt Bike Oil is formulated specifically to meet the unique demands of four-stroke dirt bikes. For example, the clutch feel and protection are dialed in for 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 provides excellent performance and protection in bikes equipped with a separate sump. AMSOIL Synthetic Dirt Bike Transmission Fluid is the primary recommendation in all two-stroke bikes and provides a secondary recommendation in Honda CRF four-stroke dirt bikes.

  Follow the motorcycle manufacturer’s drain interval recommendations.

  It is recommended for four-stroke engines and transmissions, and two-stroke transmissions, in MX, enduro, freeride, dual sport, trail and competitive applications.

Yes. AMSOIL Synthetic Dirt Bike Oil is a high-performance replacement for vehicle manufacturer-branded products.