Fights Carbon Deposits
High-quality synthetic base oils burn more cleanly than conventional 2-stroke oils, helping prevent stuck rings, clogged exhaust ports and plugged spark arrestor screens.
AMSOIL Synthetic 2-Stroke Oils Shipped Factory Direct
The complete AMSOIL 2-stroke lineup for chainsaws, outboards, snowmobiles, dirt bikes, scooters and racing engines. Wholesale pricing on every order, no middleman markup.
Six Purpose-Built Formulas
Shop AMSOIL 2-Stroke Oils by Application
Pick the AMSOIL 2-stroke oil engineered for your equipment. Every product ships factory direct from AMSOIL warehouses across the U.S. and Canada.
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Handheld Equipment
SABER Professional
100:1 lean mixChainsaws, trimmers, blowers. JASO FD, ISO-L-EGD, API TC.
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Racing
DOMINATOR Racing
50:1 race specMotocross, snocross, kart, high-RPM 2-stroke engines.
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Snowmobile & Powersports
INTERCEPTOR
50:1 / injectionSki-Doo, Polaris, Arctic Cat. DFI, EFI and carbureted.
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Marine
HP Marine
TC-W3Evinrude E-TEC, Mercury Optimax, Yamaha 2-stroke outboards.
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Outboard 100:1
Outboard 100:1 Pre-Mix
100:1 / TC-W3Two-stroke outboards, PWC and jet boats requiring TC-W3.
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Injection or Pre-Mix
2-Stroke Injector Oil
50:1 / injectionOutboards and snowmobiles specifying TC-W3 or API-TC.
Free 2-Stroke Mix Calculator
Get the exact oil-to-gas mix in seconds
Enter the amount of gasoline and the mix ratio. The calculator returns the oil to add in both US fluid ounces and milliliters, with presets for every AMSOIL 2-stroke oil.
- Switches between US gallons and metric liters
- Presets for SABER 100:1, INTERCEPTOR 50:1, DOMINATOR, HP Marine and more
- Common ratios at a glance: 16:1, 24:1, 32:1, 40:1, 50:1, 80:1, 100:1
Quick reference: 50:1 mix ratio
2.6 fl oz of oil per 1 US gallon of gasoline
Equivalent to 20 mL of oil per 1 L of gasoline.
| Ratio | Oil per 1 gal | Oil per 1 L |
|---|---|---|
| 32:1 | 4.0 fl oz | 31 mL |
| 40:1 | 3.2 fl oz | 25 mL |
| 50:1 | 2.6 fl oz | 20 mL |
| 80:1 | 1.6 fl oz | 13 mL |
| 100:1 | 1.3 fl oz | 10 mL |
Why AMSOIL
The First in Synthetics, Built for 2-Stroke Engines
AMSOIL has formulated synthetic 2-stroke oils since 1973. The lineup is engineered for cleaner combustion, less smoke, and longer engine life than the conventional 2-stroke oils sold at big-box stores.
Cuts Oil Costs at 100:1
SABER Professional and AMSOIL Outboard 100:1 are formulated to protect at 100:1 mix ratios, cutting oil consumption in half compared to conventional 50:1 oils.
Smokeless, Low-Odor
Modern synthetic chemistry delivers fewer emissions and lower aquatic toxicity, important for handheld professionals and marine operators alike.
Wholesale Pricing
Become a Preferred Customer for $10 and save up to 25% on every AMSOIL product for six months. No minimums, no obligations.
Ships Factory Direct
Orders ship from 13 AMSOIL distribution centers across the U.S. and Canada. Most orders placed by 5 p.m. Central ship the same business day.
Meets Every 2-Stroke Spec
Across the lineup AMSOIL 2-stroke oils meet or exceed JASO FD, ISO-L-EGD, API TC and NMMA TC-W3, so one brand covers STIHL and Husqvarna handhelds, KTM and Yamaha powersports, and Mercury, Yamaha and Evinrude outboards.
Ready to Run a Cleaner 2-Stroke?
Buy AMSOIL 2-stroke oils factory direct or join Preferred Customer for 25% off on every order plus free shipping on orders over $100.