AMSOIL Formula 4-Stroke® 100% Synthetic Scooter Oil
AMSOIL 4-Stroke Oil
Fully synthetic SAE 10W-40 lubricant engineered for the special demands of air- and water-cooled four-stroke motorized scooter engines, transmissions.
AMSOIL 4-Stroke Oil
Synthetic four-stroke oil for mowers, generators, scooters, and powersports engines that need stable protection through hot, dusty, hard-working conditions.
AMSOIL 4-stroke oil
Buy AMSOIL 4-stroke oil for small engines, generators, mowers, scooters, and 4-stroke powersports applications, including the Formula 4-Stroke Powersports 0W-40, scooter oil, and 10W-30, 10W-40, and 15W-50 small-engine viscosities.
Buy online, or save up to 25 percent on every order by joining the AMSOIL Preferred Customer program for $20 USD per year. For local pickup, the where to buy AMSOIL guide covers the AMSOIL Dealer locator and how to find AMSOIL near you.
Order AMSOIL 4-Stroke Oil Online
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4-Stroke Oil Products
Compare the full lineup below, then use the AMSOIL online lookup guide to confirm the formula and viscosity that fits your application.
AMSOIL Formula 4-Stroke® Powersports 0W-40 Synthetic Motor Oil
AMSOIL 4-Stroke Oil
SAE 40-weight synthetic built for four-stroke ATV, UTV, and snowmobile use, plus other four-stroke powersports applications that call for 0W-30, 0W-40.
AMSOIL 15W-50 100% Synthetic Small Engine Oil
AMSOIL 4-Stroke Oil
Heaviest grade in the commercial-grade synthetic small-engine family, formulated for 4-stroke outdoor power equipment that calls for an SAE 50, 10W-50.
AMSOIL Semi-Synthetic Bar and Chain Oil
AMSOIL 4-Stroke Oil
Tacky bar oil formulated to lubricate the guide bar, drive sprocket, and saw chain on gas and electric chainsaws across light, medium, and heavy-duty cutting.
Briggs & Stratton Synthetic 4T Racing Oil
AMSOIL 4-Stroke Oil
Co-branded synthetic competition oil developed jointly by Briggs & Stratton engineers and AMSOIL for stock.