AMSOIL Motor Oils
2 Cycle / 2 Stroke Motor Oil
AMSOIL Outboard 100:1 Pre-Mix Synthetic 2-Stroke Oil (ATO)
Outboard 100:1 Pre-Mix Synthetic 2-Stroke Oil (ATO)

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.

Package sizes include:

8-oz. Bottle
8-oz. Bottles (case of 12)
1-Quart Bottle
1-Quart Bottles (case of 12)
30-Gallon Drum
55-Gallon Drum

AMSOIL Product Code: ATO

MSDS Sheet For AMSOIL ATO Product Data Sheet For AMSOIL ATO
 

Product Application
Outboard Synthetic 2-Stroke Oil is specifically designed for pre-mix water-cooled two-stroke outboard motors, personal watercraft and jet boats.

Outboard Synthetic 2-Stroke Oil is recommended for 100:1 mix ratios in normal service. Richer mix ratios may be used where desired, although certain benefits such as reduced smoke and deposits may be compromised.

RATIOOILFUEL
32:14.0 oz.1 US GAL
40:13.2 oz.1 US GAL
50:12.6 oz.1 US GAL
80:11.6 oz.1 US GAL
100:11.3 oz.1 US GAL

Product Description
Specifically designed for outboard motors, Outboard 100:1 Pre-Mix Synthetic 2-Stroke Oil contains a heavy dose of low-temperature dispersant additives that excel at reducing varnish and carbon 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. Outboard Synthetic 2-Stroke Oil is formulated to prevent "oil loading" and plug fouling for rapid throttle response, making it ideal for trolling motors. Recommended for pre-mix use where TC-W3 is specified.

AMSOIL Synthetic 2-Stroke Oil has been providing improved performance and protection in two-stroke engines since 1973. Trust the extensive experience of AMSOIL, The First in Synthetics®, to do the best job protecting your engine.

Engine Protection
Outboard Synthetic 2-Stroke Oil provides premium protection and performance at 100:1 mix ratios. It is formulated for hot-operating two-stroke outboard motors, effectively fighting carbon/deposit formation and preventing ring sticking.

Smokeless Operation
Outboard Synthetic 2-Stroke Oil's synthetic formulation burns clean. When mixed at 100:1, smoke is virtually undetectable. Boaters subjected to smoke and fumes benefit from these low-emission properties.

  • Excellent lubricity and cleanliness properties
  • Controls friction and helps prevent wear, plug fouling, ring sticking and exhaust port blocking
  • Improves throttle response
  • Lowers or eliminates smoke
  • Delivers outstanding protection and performance at lean mix ratios
  • Anti-rust formulation counteracts the damp environments often encountered in outboard applications

HEALTH & SAFETY
This product is not expected to cause health concerns when used for the intended application and according to the recommendations in the Material Safety Data Sheet (MSDS).

Click here to view the MSDS Data Sheet for AMSOIL ATO.

Keep out of the reach of children. Don't pollute. Return used oil to collection centers.


TYPICAL TECHNICAL PROPERTIES
Saber Outboard Synthetic 100:1 Pre-Mix 2-Cycle Oil (ATO)
Kinematic Viscosity @ 100°C, cSt (ASTM D445)
17.9
Kinematic Viscosity @ 40°C, cSt (ASTM D445)
141.2
Viscosity Index (ASTM D2270)
141
Pour Point °C (°F) (ASTM D97)
-33 (-27)
Flash Point °C (°F) (ASTM D92)
120 (248)
Fire Point °C (°F) (ASTM D92)
138 (280)




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