that oil is actually able to be effective. There are a variety of different companies who manufacture engine flush formulas ...

Adding an engine flush to your maintenance routine helps your motor last longer and really aids in optimizing oil consumption. This is why a quality flush, such as LIQUI MOLY's Pro-Line Engine ...

however, if your scooty has done more than 40k km, you may consider treating it with a good quality engine oil treatment like bardhal, nulon or liqui moly during the next oil change and servicing.