The Best 2-Stroke Oil for Dirt Bikes

The best 2-stroke oil for dirt bikes is AMSOIL DOMINATOR® 2-Stroke Dirt Bike Oil. It was formulated to meet the demands of racers that want the best 2-stroke racing oil for their high-performance 2-stroke engines. AMSOIL DOMINATOR® synthetic 2-Stroke racing oil is engineered with carefully selected, higher-viscosity synthetic base oils to withstand the high heat and pressure common to high-performance and racing applications. These high-revving 2-stroke engines operate on the edge, and engine reliability is critical. DOMINATOR® helps prevent the power-robbing carbon deposits that cause ring sticking, exhaust port blocking, and pre-ignition. AMSOIL DOMINATOR® synthetic 2-Stroke dirt bike racing oil is the very best 2-stroke oil for high-performance stock or modified two-stroke engines, including air or liquid-cooled snowmobiles, personal watercraft, ATVs, go-carts, and outboard motors. AMSOIL Preferred Customers realize big savings and free shipping!

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AMSOIL DOMINATOR® Is The Best 2-Stroke Oil for Dirt Bikes

The best 2-stroke oil for dirt bikes is AMSOIL Dominator 2-Stroke Oil. AMSOIL DOMINATOR® Synthetic 2-Stroke Dirt Bike Oil was formulated to meet the demands of racers that want the best 2-stroke racing oil for their high-performance 2-stroke engines. AMSOIL 2-Stroke Dirt Bike Oil is engineered with carefully selected, higher-viscosity synthetic base oils to withstand the high heat and pressure common to high-performance and racing applications. These high-revving 2-stroke engines operate on the edge, and engine reliability is critical. DOMINATOR® dirt bike oil helps prevent the power-robbing carbon deposits that cause ring sticking, exhaust port blocking, and pre-ignition. AMSOIL Dirt Bike Oil is the very best 2-stroke oil for high-performance stock or modified two-stroke engines

Race-Proven Benefits

  • Excellent film strength for high-heat, high-rpm motors
  • Anti-friction formula for maximum power
  • Burns clean helps prevent ring sticking and plug fouling
  • Protects coated and non-coated racing pistons

See Article: Two-Cycle Engine Applications and Lubrication Needs

Racing Testimonial: AMSOIL snowmobile oil saves engine

During the Pro Open final at the opening rounds of AMSOIL Championship Snocross, professional rider Lincoln Lemieux’s Ski-Doo lost all its engine coolant after a hose clamp broke. Despite intense heat that melted the exhaust power valve covers, O-rings, and gaskets, AMSOIL DOMINATOR Synthetic 2-Stroke Racing Oil protected Lemieux’s engine so well, that the team is able to reuse the engine after replacing the melted parts.


Excellent Lubricity and Film Strength

High-performance and race-designed two-stroke engines operate under severe conditions. They are modified for higher compression ratios, higher rpm, and leaner combustion, all of which increase heat and pressure. High heat can quickly burn off light oils and cause rapid piston expansion, decreasing piston-to-cylinder wall clearances and increasing the likelihood of piston scuffing and seizure. High pressure can exceed the film strength of low-viscosity oils, which promotes crankshaft bearing wear and pitting.

AMSOIL DOMINATOR® Synthetic 2-Stroke Dirt Bike Oil is purpose-built for outstanding film strength and lubricity. It is engineered with carefully selected, higher-viscosity synthetic base oils to withstand the high heat and pressure common to high-performance and racing applications. DOMINATOR anti-friction chemistry is race-proven to provide an extra measure of protection against piston scuffing and bearing wear.

Outstanding Cleanliness
The oil and fuel burned in the two-stroke combustion process leave destructive deposits on the pistons, rings, and in the combustion chamber. Excessive deposits can lead to catastrophic engine problems, including ring sticking, exhaust port blocking, and pre-ignition.

AMSOIL DOMINATOR 2-Stroke Racing Oil is formulated with clean-burning synthetic base oils and powerful high-temperature detergent additives for exceptional deposit control. It helps prevent the power-robbing carbon deposits that cause ring sticking, exhaust port blocking, and pre-ignition. AMSOIL DOMINATOR is optimized for severe service.

RACING IS RESEARCH™
During the opening weekend of the 2015/16 AMSOIL Championship Snocross season, professional rider Lincoln Lemieux’s Ski-Doo* RS600 suffered a broken hose clamp, allowing the coolant to pump from the system. The intense heat that resulted melted the exhaust power valve covers, O-rings, and engine gaskets. DOMINATOR Synthetic 2-Stroke Racing Oil, however, delivered exceptional protection despite the severe conditions. The rings and pistons were still free and the crankshaft turned freely. Scheuring Speed Sports is able to reuse the engine after repairing the melted parts, providing concrete testimony of DOMINATOR’s superior performance.

Applications
Use in high-performance stock or modified two-stroke engines, including air- or liquid-cooled snowmobiles, personal watercraft, motorcycles (moto X), ATVs, go-carts, and outboard motors**. Good for use with coated or non-coated pistons, high-octane racing fuels, and exhaust power valves. Compatible with most other two-stroke oils; however, mixing oils should be minimized.

Use in oil-injected and pre-mix applications that require API TC oils. In pre-mix applications, DOMINATOR delivers outstanding protection at 50:1 (2.6 oz. oil per U.S. gallon of gas), although many racers modify the mix ratio to suit their setup. Not suitable for use with alcohol or nitro-methane fuels.

** Not suitable for long-term use in outboard motors as a TC-W3-type oil, although excellent as a race oil for short-term use where motors are periodically inspected.

WARRANTY SECURE®

AMSOIL DOMINATOR® Synthetic 2-Stroke Dirt Bike Oil is Warranty Secure, keeping your factory warranty intact. DOMINATOR Synthetic 2-Stroke Racing Oil is a high-performance replacement for vehicle manufacturer-branded products and is also backed by the AMSOIL Limited Warranty. For details, visit www.amsoil.com/warranty/.

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*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 use in the applications shown.

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