AMSOIL | Synthetic 20W-50 V-Twin Motorcycle Oil - 946ml

AMSOIL Synthetic 20W-50 V-Twin Motorcycle Oil is a premium, top-tier synthetic formulation engineered to satisfy the absolute most demanding mechanical conditions of high-performance motorcycles, particularly legendary Harley-Davidson bikes. Delivered in a 946ml (1 US Quart) container, its advanced molecular chemistry withstands extreme thermal breakdown up to 421°F cylinder temperatures in air-cooled V-Twin layouts, maintaining original viscosity fields and providing total mechanical defense under harsh riding states.

Specifications:

• Brand: AMSOIL.

• Product Type: 100% Synthetic V-Twin Motorcycle Oil.

• SAE Viscosity Grade: 20W-50.

• Volume: 946 ml (1 US Quart).

• Industry Standards: API SG, SL, CF, CG-4 / JASO MA, MA2 / ISO-L-EMA2.

• Country of Origin: United States of America.

Benefits:

• Multi-Functional Operation: Formulated to perform with absolute excellence in three distinct critical areas: engines, transmissions, and primary chaincases.

• Extreme Thermal Resistance: Effectively thwarts oxidation and high-heat degradation inside demanding air-cooled V-Twin configurations, remaining structurally stable at severe operational points up to 421°F.

• Optimal Wet-Clutch Performance: Contains zero friction modifiers to ensure positive, non-slip wet clutch interaction, promoting highly responsive and smooth gear shifts.

• Superior Anti-Rust Defense: Successfully passes the rigorous ASTM D1748 humidity cabinet rust standard, supplying continuous protection against internal metal corrosion during extended storage periods.

Approvals & Performance Levels:

• Meets and exceeds American Petroleum Institute classifications: API SG, SL, CF, CG-4.

• Strictly conforms to Japanese and European standards: JASO MA / MA2 and ISO-L-EMA2.

How to Use:

1. Park the motorcycle on a flat level surface and thoroughly drain out the depleted generic lubricant from the engine or transmission while it is warm.

2. Refill with fresh AMSOIL 20W50 fluid to the precise volumes requested by your vehicle manufacturer, validating levels with the dipstick.

Suitable For:

• Harley-Davidson, Buell, and any large high-power V-Twin motorcycle requiring a 20W-50 viscosity range alongside JASO MA2 or API SG/SL specs.

Note:

• Though engineered as a multi-functional multi-use formulation (Engine, Gearbox, Chain), always consult your factory manual to align with specific service intervals for each component.

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