Prepare for a great Spring on the water with AMSOIL's Marine products.

Protect your weekend with our line of synthetic boat oil.

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Marine Products

HP Marine Synthetic 2-Stroke Oil

Excellent for Evinrude® E-TEC™ factory-lean setting (replaces Evinrude XD100™ 2-Cycle Oil)
Helps prevent deposits
Protects against wear
Low smoke
Protects against rust
Low aquatic toxicity
Superior performance as an injection oil or at 50:1 pre-mix

Synthetic 2-Stroke Injector Oil

Cold-Temperature Performance

AMSOIL Injector Oil provides cold-temperature fluidity with a pour point lower than -60°F. Rapid oil flow on cold starts ensures oil reaches vital components quickly and helps prevent damaging, dry starts.

Ideal for outboard motors and snowmobiles
Protects against rust and wear
Controls deposits<-60°F pour point

Gasoline Stabilizer

Decreases Maintenance

Deposits, varnish and sludge that form from degraded fuel can cause important components in the fuel system to become clogged or stuck and require thorough cleaning or replacement. AMSOIL Gasoline Stabilizer helps reduce maintenance time and costs.

Helps keep fuel from deteriorating
Protects against varnish and gum buildup
Fights ethanol corrosion

AMSOIL 10W-40 Synthetic Marine Engine Oil

Product Highlights

For use in 4-stroke gasoline fueled engines in marine applications. Offers unsurpassed wear protection, viscosity stability, low volatility and excellent rust protection. NMMA FC-W approved and "warranty certified". For use in 4-stroke outboard and marine inboard engines. Also excellent for personal watercraft.

Success Stories

Police Department Cuts Costs With AMSOIL Products

The Jourdanton, Texas Police Department saves time and money with AMSOIL synthetic motor oil and Ea Oil Filters. "After researching and seeing the cost benefits of extended service intervals, the department switched its vehicles to AMSOIL motor oil, not only for the financial savings...(Keep Reading)

AMSOIL 2-Stroke Oil Saves Racing Engine

After a successful weekend of racing during the opening rounds of AMSOIL Championship Snocross over Thanksgiving weekend, AMSOIL/Scheuring Speed Sports driver Lincoln Lemieux made the Pro Open final on Sunday.Lemieux fought his way into the top-three and...(Keep Reading)

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.