Chemicals & Fluids › SynBlend 4 Oil Image 1 of 1 SynBlend 4 Oil $13.99 Semi-synthetic, ester-based 4-stroke engine oilSuperior protection at any temperatureExcellent clutch feel and clutch protectionShear-stable, ester-based formula maintains oil viscosity and film thicknessProprietary additive system and synthetic base oils combine to minimize oxidation and wearIncreases durability and extends engine lifeExceeds API SL and JASO MA2 specifications Quantity: Purchase Added! Semi-synthetic, ester-based 4-stroke engine oilSuperior protection at any temperatureExcellent clutch feel and clutch protectionShear-stable, ester-based formula maintains oil viscosity and film thicknessProprietary additive system and synthetic base oils combine to minimize oxidation and wearIncreases durability and extends engine lifeExceeds API SL and JASO MA2 specifications