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Monograde 4-Stroke Motorcycle Engine Oil

4T MONOGRADE SAE 40 (JASO MA / API SG)

4T MONOGRADE SAE 40 is a high-quality monograde 4-stroke motorcycle engine oil formulated using selected base oils and a balanced additive system designed to provide reliable engine, clutch, and gearbox protection for motorcycles operating under a wide range of riding conditions.

The formulation provides resistance against wear, oxidation, thermal degradation, and deposit formation while maintaining stable lubrication performance during operation. It is engineered to support smooth clutch engagement, gearbox protection, and dependable engine cleanliness for motorcycles equipped with wet clutch systems.

4T MONOGRADE SAE 40 is suitable for air-cooled and water-cooled 4-stroke motorcycles requiring JASO MA and API SG performance level lubricants where SAE 40 viscosity grade is specified.

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Available Sizes
  • 1 Liter

Specification and Requirements

  • JASO MA
  • API SG

Main Applications

  • Air-cooled and water-cooled 4-stroke motorcycles equipped with wet clutch systems
  • Motorcycles with integrated gearbox and clutch assemblies requiring JASO MA performance level lubricants
  • Daily commuting and general motorcycle applications operating under moderate to high ambient temperatures
  • Conventional motorcycle engines requiring monograde SAE 40 viscosity grade oils
  • Motorcycle applications requiring dependable engine and gearbox lubrication performance

Performance Benefits

  • Reliable Wear Protection. Provides protection for engine, clutch, and gearbox components during operation.
  • Good Oxidation and Thermal Stability. Resists oil degradation at elevated operating temperatures, supporting lubricant durability.
  • Stable Clutch Performance. Supports smooth clutch engagement and consistent power transfer during riding conditions.
  • Engine Cleanliness Control. Helps minimize sludge and deposit formation to maintain cleaner engine operation.
  • Corrosion Protection. Protects internal engine components against rust and corrosion during operation and storage.

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