Liqui Moly | Racing HD-Classic SAE 50 Street Motorcycle Engine Oil - 1L

Liqui Moly Racing HD-Classic Street SAE 50 Engine Oil (part number LIQ1572) is a premium quality formulation purposefully tailored for the dedicated care of classic and vintage motorcycles. Packed in a 1-liter bottle, this mineral-based single-grade product is optimized to deliver outstanding lubrication and long-term protection for older 4-stroke engines. It is engineered with robust technical attributes to preserve reliable oil-film stability and shield traditional engine internal configurations against wear, ensuring quiet running and extended service lifespan.

Specifications:

• Brand: Liqui Moly.

• Part Number: LIQ1572.

• Product Type: Classic Motorcycle Engine Oil.

• Oil Type: Mineral-based single-grade motor oil.

• Engine Type: 4-Stroke.

• SAE Viscosity Grade: SAE 50.

• Volume: 1 Liter.

• Industry Standards: API SG.

• Country of Origin: Germany.

Benefits:

• High Wear Resistance: Formulated to supply outstanding shielding for old mechanical designs, effectively preventing critical engine component wear.

• Absolute Shear Stability: Retains its reliable structural thickness and lubricating layer even under heavy mechanical pressure.

• Quiet & Clean Operation: Provides exceptionally quiet engine running while maintaining excellent cleaning and dispersion properties to target internal deposits.

• Low Volatile Loss: Engineered with very low volatility characteristics, significantly dropping regular oil consumption.

• Outstanding Corrosion Protection: Delivers a robust barrier against rust and chemical degradation during operational cycles or seasonal storage.

• Highly Miscible: Safe to mix with all commercially available motor oils on the market.

Approvals & Performance Levels:

• Strictly matches the approved performance standard for classic applications: API SG.

How to Use:

1. Park the motorcycle on a completely flat surface, drain the spent fluid entirely while the system is warm, and prepare the engine.

2. Pour the exact volume of fresh Liqui Moly fluid required by your motorcycle service manual, then verify accurately via the level indicator.

Suitable For:

• Specifically developed for classic 4-stroke motorcycle engines, and highly recommended for Harley-Davidson models requiring a premium SAE 50 single-grade oil.

Note:

• Can be mixed with standard commercial oils; however, the maximum factory performance and efficiency are optimized when used completely unmixed. Always cross-reference with your owner guide to verify viscosity matching.

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