AMSOIL Formula 4-Stroke® Synthetic
10W-30/SAE 30 Small Engine Oil

• Commercial grade formulation

• Withstands high temperatures and severe service of small engines

• Performs in an "all season" temperature range

• Superior wear protection

• Keep engines clean

• Excellent for transmission systems

• Wet clutch compatible

• Reduces maintenance costs

• Longer service life than conventional oils

• Excellent rust protection for off-season storage

Commercial Grade "All Season" Protection

AMSOIL Formula 4-Stroke® Small Engine Oil is a robust formulation designed for hot temperature, severe service operation of small engines where routine maintenance is often difficult or infrequent. It is formulated with premium synthetic base oils that exceed both 10W-30 multi-grade and SAE 30 straight-grade viscosity requirements. Unlike conventional SAE 30 motor oils, AMSOIL Formula 4-Stroke® Small Engine Oil has a naturally high viscosity index and does not contain paraffin (wax). It has a -38°F pour point and qualifies for SAE 10W, making it an “all season,” multi-grade lubricant with a wide operating temperature range. As an SAE 30 weight motor oil, AMSOIL Formula 4-Stroke® Small Engine Oil provides outstanding protection for hot operating engines. Formula 4-Stroke® Small Engine Oil is a commercial grade lubricant that helps improve productivity and reduce maintenance costs through superior engine protection.

Resists Heat and Reduces Oil Consumption

AMSOIL engineered Formula 4-Stroke® Small Engine Oil to withstand the high temperatures of hard working engines. It effectively resists oxidation and oil vaporization to control oil thickening and reduce oil consumption. AMSOIL Formula 4-Stroke® Small Engine Oil lasts longer in service than conventional oils and keeps engines clean for peak operating efficiency.

Excellent For Transmission Systems

AMSOIL Formula 4-Stroke® Small Engine Oil is a shear stable formulation that contains no friction modifiers. It will not break down during rigorous mechanical activity, making it ideal for hydraulic or hydrostatic systems and chain cases. It is wet clutch compatible and designed to prevent clutch slippage in commercial or recreational transmissions. AMSOIL Formula 4-Stroke® Small Engine Oil protects gears and bearings during high-demand, commercial-duty service.

Superior Protection

AMSOIL Formula 4-Stroke® Small Engine Oil is formulated with high levels of premium anti-wear and detergent additive technology. It provides severe service protection of pistons, bearings and gears and effectively neutralizes acids from combustion by-products prone to small engines.

Superior Rust Prevention

AMSOIL Formula 4-Stroke® Small Engine Oil is fortified with superior anti-rust additives for outstanding rust prevention, which is especially important during equipment storage or infrequent use.

Service Life

Follow the equipment manufacturer’s recommended drain intervals.

Applications

AMSOIL Formula 4-Stroke® Small Engine Oil is recommended for use in gasoline and light-duty diesel engines, transmissions, hydraulics and chain cases wherever SAE 10W-30 or SAE 30 oil is specified. Applications include:

Performance Specifications

• API SL, SJ, SH, SG . . . (Gasoline)
• API CF, CD (Diesel)
• JASO MA/MA2 (Motorcycle Wet Clutch)