Advanced Sleds Need Advanced Oil.

A two-stroke oil must excel in three key areas to protect today’s powerful snowmobiles.


It’s a great time to be a snowmobiler

Modern sleds deliver power, performance and efficiency not thought of back when I started riding. With each new model, original equipment manufacturers (OEMs) seem to push the limits of performance even further, allowing you to ride faster and push your sled harder, while using less gas and oil and producing fewer emissions.

This translates into an epic ride for you, but brutal operating conditions for your sled. In addition to having to protect a hotter, more powerful engine, today’s direct-injection engines use less oil than older sleds to help curb emissions.

Picture From Polaris Web Site

The Polaris* RMK* 850 is a prime example of the state of the industry. Its two-stroke engine can make nearly 170 horsepower. Think about that for a second. That’s more power than some cars on the road today, like the entry-level 2021 Toyota* Corolla.*

This underscores the need to use a durable, high-quality oil that’s proven to stand up to the punishment doled out by modern engines. For maximum engine performance and life, two-stroke oils should focus on three performance areas: wear protection, exhaust power valve cleanliness and cold-flow properties.

Heat and Friction

The intense heat and friction inside a snowmobile engine can overwhelm inferior oils, leading to piston scuffing and wear. Excellent lubricity – a term that refers to the oil’s ability to reduce friction – is essential for maximum wear protection.

High heat and increased power can also cause deposit formation on exhaust power valves, which can lead to sticking. The power valves automatically open or close based on operating conditions to increase throttle response at low rpm while maximizing top-end power. They expand the sled’s powerband, delivering a better experience for the rider. But their location in the exhaust port exposes them to hot gases, which can lead to deposits that cause them to stick, reducing performance.

To top it off, today’s snowmobile engines direct less oil to critical components, through narrower passages, for longer distances. Oils that don’t remain fluid in sub-zero cold can fail to reach components at startup, promoting wear.

We formulated AMSOIL INTERCEPTOR® Synthetic 2-Stroke Oil (AIT) with today’s sleds in mind. It remains fluid down to -69°F (-56°C) to ensure oil reaches critical components in the coldest weather, keeping your engine protected.

The oil also delivers exceptional wear protection and exhaust-power-valve performance. To demonstrate, we tested INTERCEPTOR® in a 2019 Polaris RMK 850 used in a rental fleet in the Canadian Rockies. The sled was flat-out abused, with riders pinning the throttle through deep powder day after day for an entire riding season. Afterward, we disassembled the engine and, as the images show, the piston contained virtually no scuffing and the power valves were in great shape and did not stick.

In all three critical areas, INTERCEPTOR® delivers the level of performance you need to get maximum performance and life from your sled. We’re so confident in its performance, we back the product with our Runs on Freedom™ Limited Snowmobile Warranty, which covers repairs to qualifying parts in new, current model-year and newer sleds that use INTERCEPTOR® exclusively for up to two years or 5,000 miles (8,000 km). Check out ( in Canada) for details.

We have a great oil with a great warranty to match for today’s sleds. You spend a lot of money on your sled so why not use the best lubricants? AMSOIL, The First In Synthetics®

*All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use. All products advertised here are developed by AMSOIL for the use in the application shown.

Reproduced With The Permission Of AMSOIL INC. All Rights Reserved.

AMSOIL Ait1g 1 gallon jug of AMSOIL Interceptor  2-Stroke Oil

AMSOIL Interceptor® Synthetic 2-Stroke Oil

High-performance 2-stroke oil with an emphasis on exhaust power valves. Contains high levels of detergent additives to prevent valve sticking. Replaces manufacturer-branded oils. Injector use or 50:1 premix. Excellent in snowmobiles, motorcycles, PWC, ATVs and jet boats.

AMSOIL Dominator® Synthetic 2-Stroke Racing Oil

Racers can’t win what they don’t finish. That’s why AMSOIL formulators built DOMINATOR® 2-Stroke Racing Oil. This complex blend of oils and additives directly addresses the heat, pressure and friction of race-engineered engines. These engines operate on the edge, yet engine reliability is critical. DOMINATOR does an outstanding job protecting high-performance engines. It adds durability that professional racing teams depend on and delivers confidence so engines can be pushed to the limit.

AMSOIL Synthetic 2-Stroke Injector Oil

Strenuous conditions define the normal operating environments of snowmobiles and boats. Without the right lubrication, two-stroke snowmobile engines and outboard motors run hotter, accumulate deposits and suffer a reduction in performance. AMSOIL Synthetic 2-Stroke Injector Oil provides quality and affordability for cost-conscious enthusiasts who want the benefits of synthetic two-stroke oil.


High-Performance Marine 2-Stroke Oil

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

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

Performance-Engineered for Outboards: Designed for pre-mix applications as lean as 100:1 ratios or richer. Improves throttle response and lowers or eliminates smoke. Minimizes deposit formation and lowers emissions. Performance emphasis on the cooler operations of water-cooled motors.

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