Chemicals & Fluids › Transoil Expert Image 1 of 1 Transoil Expert $15.47 Semi-Synthetic 10w40Formulated for 2-stroke and 4-stroke gear boxes with a wet clutchFortified with extreme pressure additives to protect the gearboxStandards: API GL-4 Quantity: Purchase Added! Semi-Synthetic 10w40Formulated for 2-stroke and 4-stroke gear boxes with a wet clutchFortified with extreme pressure additives to protect the gearboxStandards: API GL-4