CASTROL ACTIV 2T MATERIAL SEMI SYNTHETIC. MODERN HIGH QUALITY 2-STROKE ENGINE OIL FORTIFIED WITH DEPOSIT PROTECTION FORMULA. APPLICATION SUITABLE FOR USE IN ALL 2 STROKE JAPANESE AND EUROPEAN MOTORCYCLE ENGINES RUNNING ON EITHER LEAD REPLACEMENT OR UNLEADED FUEL. IT IS FORMULATED TO REDUCE THE BUILD-UP OF CARBON DEPOSITS ON CRITICAL ENGINE PARTS THAT CAN RESTRICT THE FLOW OF GASES FROM THE ENGINE RESULTING IN A DECREASE IN POWER OR DEPOSIT-INDUCED PRE-IGNITION. Continuous protection for your vehicle. Castrol Activ is like a 24x7 bodyguard that protects your motorbike / scooter from stressful everyday commutes in the city. It's superior technology delivers Continuous Protection at all times for your motorcycle / scooter engine. In 2-Stroke motorcycles the engine oil is lubricant that is continuously injected into the crankcase and burned with each combustion cycle. It must prevent piston scuffing and effectively lubricate bearings, at the same time resisting deposit formation and smoke emission. In 4-Stroke motorcycles the engine oil must simultaneously meet the high-stress protection requirements of the engine, the friction requirements of the clutch pack and the wear protection requirements of the gearbox. WHEN SHOULD I CHANGE MOTORCYCLE ENGINE OIL? Always follow the manufacturer’s oil change interval recommendations as described in the owner manual. Due to the smaller sump size and higher engine rpm and operating temperatures, motorcycle engine oil change intervals are generally shorter than that for passenger car engine oils. CASTROL ACTIV Castrol Activ with Actibond Molecules clings to and protects critical engine components even when the engine is switched off, providing continuous protection in all riding conditions. Continuous protection even when the engine is off. Castrol has been named the official oil and major partner of the Monster Energy AUS-X Open Melbourne - the largest supercross event in the Southern Hemisphere.