Penrite MC-4ST MINERAL HD 50 – SAE 50 Motorcycle Oil

Description

MC-4ST Mineral HD 50 is a monograde SAE 50 premium mineral engine oil formulated for older or classic 4-stroke motorcycles that require a high-viscosity, non-friction modified lubricant. It provides strong film strength and superior protection under high temperatures and heavy loads, making it ideal for large capacity or air-cooled engines.

Free from friction modifiers, it is perfectly safe for use in motorcycles with wet clutch systems, delivering smooth operation and consistent performance.

Key Features:

• SAE 50 heavy-duty monograde formulation

• Premium mineral base for strong thermal stability

• Ideal for classic and vintage motorcycles

• Wet clutch safe – JASO MA compliant

• Provides strong film protection at high operating temperatures

• Suitable for engines requiring SAE 50 oils without friction modifiers

Applications:

• Recommended for classic motorcycles and older 4-stroke engines

• Suitable for Harley-Davidson®, vintage British, European, and Japanese bikes

• Use in engines with shared gearbox and clutch lubrication

• Designed for bikes requiring a straight SAE 50 oil

Performance Standards:

• API SG/CD

Additional information