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Snowmobile Snocross Racing Oils

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Motor Oil Test & Comparison - The Most Comprehensive Test Results Ever Published by AMSOIL


AMSOIL Snowmobile Synthetic 2-Cycle Oil

Official 2-Cycle Oil of the World Snowmobile Association (WSA)

AMSOIL is now recognized as the "First in Synthetics" by every major snocross racing association in the U.S and Canada.
AMSOIL is the "Official Oil" of the WSA, Rock Maple Racing, Big East Snocross Tour, Indoor Super Snocross and Canadian Snowmobile Racing Association.

AMSOIL Interceptor Synthetic 2-Cycle Oil

AMSOIL Interceptor Synthetic 2-Cycle Oil for Snowmobiles

New AMSOIL INTERCEPTOR Synthetic 2-Cycle Oil is engineered specially for power sports applications and those engines equipped with exhaust power valves. It contains the finest synthetic ester based oils and additives available for exceptional cleanliness properties. INTERCEPTOR is the result of years of field testing in the Rocky Mountain region, which provided some of the most severe conditions possible. INTERCEPTOR excels at controlling exhaust valve sticking and provides outstanding overall lubrication properties.

Product Code AIT

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  • Proven "No Stick" exhaust power valve performance
  • Reduces smoke and odor
  • Surpasses SAE #4 cold temperature fluidity properties and has a -54° pour point
  • Prevents wear on cylinders and bearings for long engine life
  • Prevents pre-detonation by controlling ignition promoting deposits called "hot spots"
  • Versatile and excellent for all types of recreational equipment
  • Protects against rust
  • Recommended for injector systems or at 50:1 mix ratios
  • Recommended for Applications Requiring the Following Specifications: API TC, JASO FC

Product Description
AMSOIL INTERCEPTOR Synthetic 2-Cycle Oil is formulated with a proprietary blend of the finest synthetic base oils and additives available today. This unique AMSOIL chemistry represents a breakthrough development in the field of two-cycle engine lubrication.

The backbone of AMSOIL INTERCEPTOR 2-Cycle Oil is a specially developed molecularly saturated synthetic base oil. This, combined with a potent additive package, ensures exceptional lubricity, cleanliness and optimum clean-burning characteristics. Extensive research and testing, including a full snowmobiling season in severe Rocky Mountain applications, has proven that wear on cylinders, pistons and bearings is dramatically reduced. And with up to 30 percent more detergency and dispersancy than typical two-cycle oils, AMSOIL INTERCEPTOR virtually eliminates damaging deposits on piston skirts, ring grooves and exhaust power valves.

Applications
AMSOIL INTERCEPTOR Synthetic 2-Cycle Oil is recommended as an injector oil or at a 50:1 mix ratio in carbureted, electronic fuel Injected (EFI) and direct fuel injected (DFI) snowmobiles, personal watercraft, motorcycles, ATVs and jet boats, including, but not limited to, those manufactured by Bombardier®, Yamaha®, Arctic Cat®, Polaris®, Kawasaki®, Suzuki® and Honda®.

INTERCEPTOR is compatible with and recommended as a replacement for all mineral and synthetic manufacturer branded two-cycle oils. For top performance, mixing is not recommended.

400,000 Miles of Severe Snowmobile Field testing With No Deposit Buildup, Power Valve Sticking, Ring Sticking or Engine Failures.
Subjected to adverse field testing conditions in the Rocky Mountains, including long trail rides, high RPM powder riding and steep hill climbs, AMSOIL INTERCEPTOR demonstrated superior wear protection and outstanding deposit control.

Arctic Cat 600 Snowmobile Exhaust Power Valves

No carbon deposits are detectable in the functioning region of the exhaust power valves, resulting in "no stick" performance, continuous valve operation and reduced maintenance.

Arctic Cat 600 Snowmobile Pistons
Arctic Cat 600 Snowmobile Cylinder Heads
Pistons show no scoring, little or no wear and no heavy deposits, and wrist pins show no discoloration from heat. In fact, the original machine markings on the pistons are still visible. Cylinder head is clean with no deposits, preventing pre-ignition problems.

AMSOIL Dominator Synthetic 2-Cycle Racing Oil

New AMSOIL DOMINATOR Synthetic 2-Cycle Racing Oil is a robust formulation specially engineered for unsurpassed protection in high performance two-cycle motors, both on and off the track. It contains heavier synthetic base oils that provide more lubricity for "on the edge" operation. DOMINATOR reduces friction and protects pistons and bearings subjected to the rigors of racing. DOMINATOR contains the right additives for clean motor operation.

Product Code: TDR

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  • Provides excellent film strength for high heat, high RPM motors
  • Reduces friction for maximum power
  • Recommended for use with coated or non-coated racing pistons
  • Recommended for use with exhaust power valves
  • Recommended for use with high octane racing gas
  • Burns clean; Prevents ring sticking and plug fouling
  • Provides excellent protection at 50:1 pre-mix or in injection system

Product Description
DOMINATOR, an AMSOIL exclusive formulation, lubricates and protects high performance two-cycle motors, both on and off the track. High performance motors, particularly those that are modified, operate hotter and at higher RPMs than recreational motors, and they need good oil for peak performance. DOMINATOR is engineered for racing. It has the right film strength and clean burning properties for "on the edge" operation.

Super Film Strength
High performance two-cycle motors have high compression ratios, which significantly increase combustion chamber heat and crankshaft bearing pressures. Hot combustion processes quickly burn off and evaporate light oils and cause rapid piston expansion, decreasing piston-to-cylinder wall clearances. This promotes piston scuffing and possible seizure. And increased pressure on crankshaft bearings promotes metal-to-metal contact, wear and pitting.

High heat and pressures require tough oil with better film strength and more lubricity. DOMINATOR, constructed with AMSOIL heavy synthetic oil, handles high heat better than mineral oils and provides improved film strength and lubricity. DOMINATOR reduces friction and provides an extra measure of protection against piston scuffing and crankshaft bearing wear.

Clean Burning
High combustion processes require the proper additives and oils to control deposits. DOMINATOR contains strong, high temperature detergent additives and highly pure AMSOIL synthetic oil. It prevents deposits that cause ring sticking, plug fouling and exhaust port blocking. DOMINATOR is an optimized product for severe service.

Applications
DOMINATOR is recommended for use in high performance stock or modified two-cycle motors, 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-cycle oils, however, mixing oils should be minimized.

Use at 50:1 pre-mix ratios (2.6 oz. oil per U.S. gallon of gas) or as injection oil. 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.


Related Article: A Look At Snowmobile Exhaust Power Valves

Related Article: 2-Cycle Engine Applications and Lubrication Needs


AMSOIL Snocross Racing Team

AMSOIL Snocross Riders DJ Eckstrom and Carl Schubitzke of Duluth, Minnesota

AMSOIL Interceptor Synthetic 2-Cycle Oil
AMSOIL HP Injector Synthetic 2-Cycle Oil
AMSOIL Dominator Synthetic 2-Cycle Racing Oil
AMSOIL Saber Pre-Mix 100:1 Synthetic 2-Cycle Oil

AMSOIL Synthetic 2-Cycle Oil Lineup
HP Injector Synthetic 2-Cycle Oil (HPI)
Saber Synthetic 100:1 Pre-Mix 2-Cycle Oils (ATP & ATO)
Interceptor Synthetic 2-Cycle Oil (AIT)
Dominator Synthetic 2-Cycle Racing Oil (TDR)

AMSOIL 2-Cycle Oil Recommendations

Equipment manufacturers and motor builders have redesigned two-cycle motors to reduce emissions and increase economy. These changes have increased operating temperatures, reduced oil consumption and incorporated direct fuel injection and exhaust power valves. AMSOIL 2-Cycle Oils are designed to maximize performance in all types of engine designs and are optimized for select applications

Even though AMSOIL 2-Cycle Oils have been optimized for specific applications, they are multi-functional and recommended for use in many areas. The chart rates each oil's performance abilities per application as follows:

Excellent: The primary recommendation for the oil. The oil is specifically designed for the operating conditions of the motors in these markets. There is only one "Excellent" recommendation per category.

Vey Good: A main recommendation for the oil. Identifies an oil that is very good for the operating conditions of these motors.

Good: A secondary recommendation for an oil. The oil was not specifically designed for these applications. However, the chemistry in the oil is suited to the operating conditions of these motors.

Not Recommended: Identifies applications where the product was intended for use.

Racing:

(1) Not recommended 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.

(2) Excellent for racing or modified motors. Very good for recreational use.

* Recommended for all direct fuel injected (DFI), electronic fuel injected (EFI) and carbureted motors. Outboard motors include Mercury®, Optimax®, Johnson® & Evinrude® FICHT® & E-TEC®, Yamaha® HPDI, Nissan® & Tohatsu® TLDI®.


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