AMSOIL 20W-40 100% Synthetic V-Twin Motorcycle Oil
Developed by AMSOIL for use in Victory * and Indian* Motorcycles
AMSOIL 20W-40 Synthetic V-Twin Motorcycle Oil is a premium oil designed for those who demand the absolute best lubrication for their motorcycles. It is the result of extensive research and is specially formulated to excel in all areas unique to motorcycles, including the high temperatures of air-cooled engines, wet-clutch lubrication, extreme-pressure regions of gears, and chains, and rust protection.
Description
AMSOIL 20W-40 100% Synthetic V-Twin Motorcycle Oil
Built specifically for Indian and Victory motorcycles, AMSOIL 20W-40 100% Synthetic V-Twin Motorcycle Oil delivers robust protection and reliable performance without the price tag often attached to factory-branded oils.
Minimizes Friction and Engine Wear
This oil surpasses the requirements for high-temperature film strength, offering exceptional protection against wear under intense heat. Its heavy dose of anti-wear additives guards engine components through varying conditions, while thermal stability and strong oxidation inhibitors help maintain engine cleanliness by preventing sludge and carbon build-up.
Protects Gears and Chains Without Sacrificing Clutch Performance
Unlike conventional gear lubes, AMSOIL 20W-40 V-Twin Motorcycle Oil resists shear thinning and avoids the issues caused by extreme-pressure additives, such as slipping or glazing, ensuring smooth clutch operation alongside solid gear protection.
Resists Rust and Corrosion
Formulated with targeted anti-rust agents, this oil guards against corrosion from storage and short trips — conditions that often lead to accelerated wear and performance loss in motorcycle engines.
Emission-System Friendly
It meets strict standards to protect catalytic converters, making it suitable for motorcycles equipped with emission controls.
Performance and Service Life
When used with an AMSOIL Ea Motorcycle Oil Filter, this oil supports twice the manufacturer-recommended oil change interval or up to one year for on-road engines and transmissions. Off-road or racing use follows standard or discretionary change intervals.
Warranty Backed
AMSOIL 20W-40 100% Synthetic V-Twin Motorcycle Oil maintains your bike’s factory warranty and comes with AMSOIL’s own limited warranty coverage.
Health and Safety
Safe when used as intended, this product’s Safety Data Sheet is available online for reference. Proper disposal and recycling of used oil and containers are encouraged.
- Developed for Victory and Indian motorcycles requiring 20W-40 synthetic oil
- High-temperature wear protection exceeds industry standards
- Anti-rust additives protect against humidity and storage corrosion
- Compatible with catalytic converters and emission systems
- Extended drain intervals available when paired with AMSOIL Ea filters
Technical Specifications
SDS
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Data Bulletins
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Warranty
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