10.4 4 Stroke Semi-Synthetic Motor Oil 10.4 is a 10W40 semi-synthetic motor oil, for 4 Stroke motorbikes, which provides optimum lubrication and complete engine protection. Engine protection Regular use Optimal lubrication Synthetic FOR STREET BIKES IN EVERY-DAY USE 10.4 is ideally suited for 4-stroke road or dual-sport motorcycles with a wet or dry clutch, that comply with Euro 2, 3, 4 or 5 emission standards, are equipped with exhaust and emission treatment systems and being used as a primary mode of transport. ENGINE PROTECTION & TRANSMISSION LONGEVITY Compliant with the JASO MA2 API SL standards, 10.3 offers the highest level of friction to ensure perfect clutch operation during start-up, acceleration and at maximum speed. The all-in-one bottle with pouring spout is convenient for precise pouring without spillage.