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AMSOIL 100:1 Pre-Mix 100% Synthetic 2-Stroke Outboard Oil

Product code : ATOBC-EA

4.9 star rating

AMSOIL 100:1 Pre-Mix 100% Synthetic 2-Stroke Outboard Oil

Product code : ATOBC-EA

4.9 star rating
Current price:

$7.09

Retail Price
Estimated delivery by Mon, Jun 8 to Columbus - 43215.
  • Performance-Engineered for Outboards


    • Protects two-stroke outboards at 100:1 mix ratios.
    • Prevents plug fouling and ring sticking.
    • Improves idling and throttle response.
    • Minimizes smoke and emissions.

  • We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price. View full AMSOIL Return Policy.

  • We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.

About this item

  • AMSOIL Synthetic 2-Stroke Outboard Oil is engineered with low-temperature dispersants that reduce varnish and carbon deposits to help eliminate plug fouling and promote rapid throttle response in water-cooled outboard motors. Its environmentally friendly low-smoke, low-odor, low-toxicity properties produce fewer emissions at 100:1 mix ratios than other oils mixed at 50:1.

    Smokeless Protection
    AMSOIL Synthetic 2-Stroke Outboard Oil delivers superior lubricity and anti-wear protection at 100:1 mix ratios and burns clean to eliminate smoke and reduce emissions. It also inhibits rust and corrosion common to marine applications.

    Superior Performance
    AMSOIL Synthetic 2-Stroke Outboard Oil improves ignition, idling and throttle response in two-stroke engines by inhibiting deposit formation that causes plug fouling, ring sticking and exhaust port blockage.

    •    Prevents plug fouling and ring sticking.
    •    Improves idling and throttle response.
    •    Minimizes smoke and emissions.
    •    Maximizes torque and power.
    •    Protects at lean mix ratios.
    •    Inhibits rust and corrosion. 

    APPLICATIONS
    Use pre-mixed in two-stroke outboard motors, personal watercraft and jet boats that specify TC-W3. For maximum performance, mix with gasoline at 100:1 regardless of the mix ratio specified for the equipment. Richer mix ratios may be used if desired.

    RATIO OIL FUEL
    50:1 2.6 oz. 1 U.S. GALLON
    80:1 8.0 oz. 5 U.S. GALLONS
    100:1 8.0 oz. 6 U.S. GALLONS


    WARRANTY SECURE®    
    AMSOIL Synthetic 2-Stroke Outboard Oil is Warranty Secure, keeping your factory warranty intact. It is a high-performance replacement for manufacturer-branded oils and backed by the AMSOIL Limited Warranty (G1363). 

     

    Click here for Warranty Secure Details.

     

  • Data Bulletin

    Warranty

    SDS



  • 4.9 star rating
    • 5 star rating
      Great 2 cycle outboard engine oil
      By  KENNETH L,  a  Verified Buyer  from  Northwestern area of PA  on  February 18, 2026
      I have been using this oil in my Yamaha 90 HP 2 cycle outboard for 25+ years and the outboard is still going strong.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      Good product....bad promotional gifts
      By  STEVE,  a  Verified Buyer  from  Augusta Ga  on  July 10, 2024
      Great product but that was a joke of a hat. Made to fit a 4 year old.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      Great product
      By  SHALAKO,  a  Verified Buyer  from  Mocksville, NC  on  May 26, 2024
      This is a great product, however I did not receive the free headlamp with my purchase.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      Pleasantly Surprised, Great Oil
      By  KEVIN,  a  Verified Buyer  from  Mississippi   on  May 25, 2024
      I’m running 80:1 in premix Johnson 115 outboard and I’m impressed. I pulled the plugs and I’ve never seen them that clean. It does smoke some at start up and I think my carbs are set rich but nothing like before. So far so good and I will keep using this as long as I have a 2 stroke outboard.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      Great product
      By  JASON,  a  Verified Buyer  on  May 01, 2024
      Great product
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      2 cycle oil
      By  CLIFFORD,  a  Verified Buyer  from  Hinesburg, VT 05461  on  October 15, 2023
      We operate a forest products business and use this oil for our chainsaws. very reliable and easy to use.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      Works great
      By  PRESTON,  a  Verified Buyer  from  Louisiana  on  April 11, 2023
      Keeps my outboards running fine . Very good lubricant.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      2 cycle.
      By  BILLY,  a  Verified Buyer  from  Arbuckle  on  May 31, 2022
      Great product. Works perfect.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      Amsoil outboard
      By  MIKE,  a  Verified Buyer  from  Florida  on  October 10, 2021
      I have been using this product for 30 years No other oil compares , I will never change.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      2 Cycle Putboard
      By  MITCHELL,  a  Verified Buyer  on  September 07, 2021
      This stuff works great in my 60hp Yamaha Outboard, does a great job and is reasonably priced I always keep a extra quart handy at all times.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
  • Performance-Engineered for Outboards


    • Protects two-stroke outboards at 100:1 mix ratios.
    • Prevents plug fouling and ring sticking.
    • Improves idling and throttle response.
    • Minimizes smoke and emissions.

  • We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price. View full AMSOIL Return Policy.

  • We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.

  • AMSOIL Synthetic 2-Stroke Outboard Oil is engineered with low-temperature dispersants that reduce varnish and carbon deposits to help eliminate plug fouling and promote rapid throttle response in water-cooled outboard motors. Its environmentally friendly low-smoke, low-odor, low-toxicity properties produce fewer emissions at 100:1 mix ratios than other oils mixed at 50:1.

    Smokeless Protection
    AMSOIL Synthetic 2-Stroke Outboard Oil delivers superior lubricity and anti-wear protection at 100:1 mix ratios and burns clean to eliminate smoke and reduce emissions. It also inhibits rust and corrosion common to marine applications.

    Superior Performance
    AMSOIL Synthetic 2-Stroke Outboard Oil improves ignition, idling and throttle response in two-stroke engines by inhibiting deposit formation that causes plug fouling, ring sticking and exhaust port blockage.

    •    Prevents plug fouling and ring sticking.
    •    Improves idling and throttle response.
    •    Minimizes smoke and emissions.
    •    Maximizes torque and power.
    •    Protects at lean mix ratios.
    •    Inhibits rust and corrosion. 

    APPLICATIONS
    Use pre-mixed in two-stroke outboard motors, personal watercraft and jet boats that specify TC-W3. For maximum performance, mix with gasoline at 100:1 regardless of the mix ratio specified for the equipment. Richer mix ratios may be used if desired.

    RATIO OIL FUEL
    50:1 2.6 oz. 1 U.S. GALLON
    80:1 8.0 oz. 5 U.S. GALLONS
    100:1 8.0 oz. 6 U.S. GALLONS


    WARRANTY SECURE®    
    AMSOIL Synthetic 2-Stroke Outboard Oil is Warranty Secure, keeping your factory warranty intact. It is a high-performance replacement for manufacturer-branded oils and backed by the AMSOIL Limited Warranty (G1363). 

     

    Click here for Warranty Secure Details.

     

  • Data Bulletin

    Warranty

    SDS



  • 4.9 star rating
    • 5 star rating
      Great 2 cycle outboard engine oil
      By  KENNETH L,  a  Verified Buyer  from  Northwestern area of PA  on  February 18, 2026
      I have been using this oil in my Yamaha 90 HP 2 cycle outboard for 25+ years and the outboard is still going strong.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      Good product....bad promotional gifts
      By  STEVE,  a  Verified Buyer  from  Augusta Ga  on  July 10, 2024
      Great product but that was a joke of a hat. Made to fit a 4 year old.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      Great product
      By  SHALAKO,  a  Verified Buyer  from  Mocksville, NC  on  May 26, 2024
      This is a great product, however I did not receive the free headlamp with my purchase.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      Pleasantly Surprised, Great Oil
      By  KEVIN,  a  Verified Buyer  from  Mississippi   on  May 25, 2024
      I’m running 80:1 in premix Johnson 115 outboard and I’m impressed. I pulled the plugs and I’ve never seen them that clean. It does smoke some at start up and I think my carbs are set rich but nothing like before. So far so good and I will keep using this as long as I have a 2 stroke outboard.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      Great product
      By  JASON,  a  Verified Buyer  on  May 01, 2024
      Great product
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      2 cycle oil
      By  CLIFFORD,  a  Verified Buyer  from  Hinesburg, VT 05461  on  October 15, 2023
      We operate a forest products business and use this oil for our chainsaws. very reliable and easy to use.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      Works great
      By  PRESTON,  a  Verified Buyer  from  Louisiana  on  April 11, 2023
      Keeps my outboards running fine . Very good lubricant.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      2 cycle.
      By  BILLY,  a  Verified Buyer  from  Arbuckle  on  May 31, 2022
      Great product. Works perfect.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      Amsoil outboard
      By  MIKE,  a  Verified Buyer  from  Florida  on  October 10, 2021
      I have been using this product for 30 years No other oil compares , I will never change.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?
    • 5 star rating
      2 Cycle Putboard
      By  MITCHELL,  a  Verified Buyer  on  September 07, 2021
      This stuff works great in my 60hp Yamaha Outboard, does a great job and is reasonably priced I always keep a extra quart handy at all times.
      Bottom Line
      Yes, I would recommend this to a friend.
      Was this review helpful?