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Synthetic ATV/UTV Motor Oil

Developed by AMSOIL for hard-working and performance ATVs and UTVs. Advanced synthetic technology resists oxidation and protects against extreme heat to help prevent sludge and varnish. Cools shrouded engines. Wet-clutch compatible. Stay-in-grade formulation maintains protection in ATVs and UTVs used for hauling, plowing or conquering tough terrain.


- Synthetic technology delivers reserve protection against heat for heavily loaded engines.
- Provides reliable wear protection and aids in cooling shrouded engines.


- Remains fluid in subzero temperatures to provide excellent startup protection.
- Resists thinning due to extreme heat and mechanical shear for superior protection in hot conditions.


- Superior friction-durability properties help minimize clutch slippage, fade and chatter, giving riders consistent clutch feel during takeoffs or when maneuvering around obstacles on the trail.
- Delivers confidence that ATVs will perform consistently in all types of riding conditions.

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 ATV/UTV Products

Click on the product to view specifications and order online.
Formula 4-Stroke® Powersports 0W-40 Synthetic Motor Oil

10W-40 Synthetic ATV/UTV Motor Oil

5W-50 Synthetic ATV/UTV Motor Oil

Synthetic ATV/UTV Transmission & Differential Fluid

Synthetic ATV/UTV Powertrain

Shock Therapy® Suspension Fluid #5 Light

Shock Therapy® Suspension Fluid #10 Medium

Metal Protector

Synthetic Chaincase & Gear Oil

Synthetic Multi-Purpose Grease NLGI #2

AMSOIL Warranty

AMSOIL guarantees the performance of its products, so you can be confident they perform as advertised. AMSOIL introduced the world’s first API-qualified synthetic motor oil and has since introduced a full line of industry firsts. For more than 40 years, AMSOIL synthetic lubricants have proven themselves in the lab, on the racetrack and on the highway.