AUTHORIZED DEALER
ACE HI OIL
Norman Rinehart
Fort Worth, TX & Southlake
CALL (888) 459-9958
         (817)  431-6664

AMSOIL Synthetic Oil for Marine Engines


The introduction of the world’s first synthetic motor oil to meet American Petroleum Institute service requirements in 1972 set all-new standards for motor oil quality. AMSOIL synthetic motor oil outperformed conventional petroleum motor oils on all counts. It was clear from the start that this innovative product would play a major role in engine performance and engine life.

As the technology used in today’s marine applications has evolved, AMSOIL has remained ahead of the curve in performance and protection with products formulated to deliver clean engine performance and control harmful deposits, wear and rust. AMSOIL synthetic lubricants are engineered to protect your watercraft in all conditions so you can remain carefree and on the water longer.

The anticipation and adrenaline of catching your limit is tough to beat. AMSOIL synthetic lubricants deliver the engine response and precision performance you need to stay on the fish all day.

A bad day of fishing beats a good day at work, but subpar engine performance or malfunction can ruin any day on the lake. AMSOIL synthetic marine lubricants are formulated to keep two- and four-stroke engines operating reliably at peak efficiency so your time on the water remains stress-free.
Protect your boat for uninterrupted fun on the water with superior protection against engine wear, rust and corrosion.

From high-speed watersports to idle rides around the lake, pleasure boats offer limitless opportunities for fun. Regardless of your preference — high-rpm towing or low-speed cruising — engine protection is key to keeping the outing from turning from fun to aggravating. AMSOIL synthetic lubricants are engineered to reduce friction for outstanding protection and maximum performance on the water.

The open water is where you feel free, and where the excellent engine performance and premium protection provided by AMSOIL synthetic lubricants are essential.

Premium diesel watercraft deliver a unique experience on the water. Premium AMSOIL synthetic lubricants help ensure your boat remains protected and performing strong for years of enjoyment.

Fuel high-speed fun on the open water by keeping your personal watercraft running clean and smooth with AMSOIL synthetic lubricants.

Repeated throttle bursts and sustained high speeds put your personal watercraft to the test. AMSOIL synthetic lubricants are designed to provide excellent wear protection and maximum performance so you can ride harder and play longer.
Cruising on the water with family and friends is always enjoyable, especially with the peace of mind that only AMSOIL synthetic lubricants can deliver.

An evening cruise or day-long excursion on the pontoon can offer the perfect way to wind down after a week’s work. AMSOIL marine lubricants are engineered with advanced synthetic technology to protect marine equipment, providing reliable performance and peace of mind on the water.

AMSOIL MARINE PRODUCTS
Most anglers work full-time and have precious little time for fishing. To maximize their time on the water, they need lubricants that protect their motors from wear despite challenging operating conditions.

Much like automotive engines, marine motors are becoming more advanced and tougher on oil. Four-stroke motors are becoming lighter and produce more low-end torque than before. They’ve largely closed the performance gap on two-stroke motors. In fact, sales of four-stroke motors are on the rise, while two-stroke sales have declined.

Demanding Operating Conditions

Marine motors are characterized by high-rpm operation that can shear the molecular structure of oil and reduce its ability to protect against wear. On average, a marine motor propelling a boat 30 mph operates at 5,000 rpm,while an automotive engine at 60 mph operates around 2,000 rpm. 

The added heat and stress invite wear and deposits. Heavy deposits can cause piston rings to stick. Stuck rings lead to compression loss, which reduces power. Stuck rings can also lead to catastrophic piston scuffing.

The marine operating environment creates additional challenges for oil. Marine motors are constantly exposed to humid air. The moisture the motor ingests increases the likelihood of corrosion compared to automotive engines. Water-cooled marine motors also run at lower temperatures than air-cooled engines, so moisture in the oil doesn’t evaporate as readily. Plus, when the motor is shut down for the day, moist air continues to enter the engine as it cools, increasing the risk for corrosion, especially if the oil doesn’t contain anti-corrosion inhibitors.

Marine-Specific Four-Stroke Formulations

AMSOIL 10W-30 and 10W-40 Synthetic Marine Engine Oil and new AMSOIL 25W-40 Synthetic-Blend Marine Engine Oil are shear-stable formulations that deliver maximum wear protection in four-stroke marine applications. They are formulated with advanced additives to guard against corrosion common to marine environments.

Marine-Specific Two-Stroke Formulations

AMSOIL synthetic two-stoke marine oils provide the same great benefits as always, including outstanding wear protection and low smoke. AMSOIL HP Marine® Synthetic 2-Stroke Oil is excellent in modern direct-fuel-injected (DFI) motors that generate increased heat and friction compared to their predecessors. It provides increased lubricity for reduced wear during normal and lean-mix operation. In field testing, HP Marine completely prevented piston skirt and cylinder bore scuffing (see http://www.amsoil.com/proof for details.)

AMSOIL Synthetic 2-Stroke Injector Oil protects against wear and piston scuffing while providing the added benefit of year-round use as a snowmobile oil.

For pre-mix applications, AMSOIL Outboard 100:1 Pre-Mix Synthetic 2-Stroke Oil contains a heavy dose of low-temperature dispersant additives that excel at reducing varnish, carbon and deposit formation in water-cooled motors. Its low-smoke, low-odor, low-toxicity properties produce fewer emissions at 100:1 mix ratios than oils mixed at 50:1, benefitting operators and the environment.

AMSOIL Synthetic Marine Gear Lube protects lower units from wear, even when contaminated with up to 10 percent water.

Why Synthetic Blend?

AMSOIL 25W-40 Synthetic-Blend Marine Engine Oil is formulated specifically for Mercury* motors that encourage the use of synthetic-blend oil.
HP Marine Synthetic 2-Stroke Oil
SAE 15W-40 Heavy-Duty Diesel and Marine Oil
AMSOIL 10W-30 Synthetic Marine Engine Oil
Outboard 100:1 Pre-Mix Synthetic 2-Stroke Oil 
AMSOIL 10W-40 Synthetic Marine Engine Oil
Synthetic 2-Stroke Injector Oil
AMSOIL Synthetic Marine Gear Lube 75W-90
Quickshot®
Gasoline Stabilizer

Heavy-Duty Degreaser
DOMINATOR® Octane Boost
Power Foam®
MP Metal Protector

Silicone Spray
Heavy-Duty Metal Protector