☰
Shop by Vehicle
Find AMSOIL Near You
Open full size product 10W-40 Synthetic ATV/UTV Motor Oil
Roll over image to zoom in
Roll over image to zoom in

AMSOIL 10W-40 100% Synthetic ATV/UTV Motor Oil

Product code : AUV40QT-EA

5 star rating
Read 242 reviews
Read 242 reviews

  • Protection when performing demanding chores and tackling tough terrain
  • Delivers consistent clutch feel
  • Superior all-weather performance
  • Wet-clutch compatible
Product Overview

AMSOIL 10W-40 100% 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.

See the product data sheet for full details.

SEVERE-SERVICE ENGINE PROTECTION

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

SUPERIOR ALL-WEATHER PERFORMANCE

  • 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.

CONFIDENCE IN CLUTCH FEEL

  • 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.

See the product data sheet for full details.

Technical Specification

AMSOIL 10W-40 100% Synthetic ATV/UTV Motor Oil

Data Bulletin

Warranty

SDS



Product Reviews

AMSOIL 10W-40 100% Synthetic ATV/UTV Motor Oil

5 star rating
Based on 242 reviews
Based on 242 reviews
See all customer reviews
  • 5 star rating
    SUperior product
    By  Scott,  a  Verified Buyer  from  Maryland  on  May 08, 2025
    I've been an AMSOIL preferred customer for many years. Everything I own has AMSOIL in it and my new CF Moto Uforce 1000 XL is now on the juice as well. It runs so smooth and quiet. An the protection can't be beat.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Can Am oil
    By  HARRY,  a  Verified Buyer  from  utah  on  May 03, 2025
    I use this in my 2024 Can Am Defender HD10. I have no complaints.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Excellent Product
    By  GITRITE ,  a  Verified Buyer  on  April 20, 2025
    A high quality oil for high performance vehicle, it’s the only oil I use in my RZR Pro R
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    2021 Yamaha wolverine X4
    By  BRUCE,  a  Verified Buyer  from  Mich  on  April 15, 2025
    Been running this in my 2021 Yamaha wolverine X4 since new. When I change the oil it looks just as good as when I put it in.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Best oil on the market
    By  ZAC,  a  Verified Buyer  on  April 14, 2025
    From my sxs to my truck and amsoil is the only oil I buy for all my products.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    ATV-UTV SYNTHETIC SAE 10W-40 OIL
    By  JODY,  a  Verified Buyer  from  Central Texas  on  April 06, 2025
    Motor runs quieter and smoother. The clutch works smoothly.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Lubricant
    By  SHAWN,  a  Verified Buyer  from  SD  on  April 01, 2025
    Keeps everything well lubricated..wouldn't use anything else
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great oil
    By  CHARLES,  a  Verified Buyer  from  Afton, TN  on  March 19, 2025
    Another great Amsoil product
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Polaris ranger 1500
    By  BRIAN ,  a  Verified Buyer  from  Chamberlain South Dakota  on  March 06, 2025
    Great oil I have used it a lot of different side by sides its the best oil for your machine.
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?
  • 5 star rating
    Great customer service!
    By  DAN,  a  Verified Buyer  from  Lovilia Iowa  on  February 19, 2025
    Shipping was good except for damaged utv transmission fluid had broke open and saturated the whole box. Called customer support and got through promptly. They replaced all damaged items without pause! Plus gave a credit for inconvenience! That's what I call customer service! Thank you!
    Bottom Line
    Yes, I would recommend this to a friend.
    Was this review helpful?