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.
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, 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. Outboard Synthetic 2-Stroke Oil is formulated to prevent “oil loading” and plug fouling for rapid throttle response, making it ideal for trolling motors.
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.
Package Sizes (ATO)
|ATOBC (ATOBC-EA)||8 OZ.||Each|
|ATOBC (ATOBC-CA)||8 OZ.||Case of 12|
|ATOQT (ATOQT-CA)||Quart||Case of 12|
|ATO30 (ATO30-EA)||30-Gallon Drum||Each|
|ATO55 (ATO55-EA)||55-Gallon Drum||Each|
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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 and deposit formation and preventing ring sticking.
Outboard Synthetic 2-Stroke Oil’s synthetic formulation burns cleanly. 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
For pre-mix use in two-stroke outboard motors, personal watercraft and jet boats that specify TC-W3. For maximum performance, mix with gasoline at 100:1 regardless of the mix ratio specified for the equipment. Richer mix ratios may be used where desired.
|50:1||2.6 ounces||1 Gallon|
|80:1||8.0 ounces||5 Gallon|
|100:1||8.0 ounces||6 Gallon|
Outboard Synthetic 2-Stroke Oil is Warranty Secure, keeping your factory warranty intact. Outboard Synthetic 2-Stroke Oil is a high-performance replacement for vehicle manufacturer-branded products and is also backed by the AMSOIL Limited Warranty (G1363). For details, visit www.amsoil.com/warrantysecure.
|TYPICAL TECHNICAL PROPERTIES 2-Stroke (ATO)|
Amsoil Outboard 100:1 Pre-Mix Synthetic 2-Stroke 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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