4–tact Ol is a oilthat for 4–clock engines and specially for motorcycles is used. The oil viscosity is optimally suited to the needs of 4–beater Matched machine parts and helps to extend their durability: the friction is reduced by the motorcycle oil reduceand the parts are protected against wear. 

In contrast to the 2–Tact oil that remains 4–tact Ol inside the engine in one oil cycle. Over time, however, a natural aging of the oil sets in, so it has to motorcycle oil changed regularlybecome T. The exact timing depends on the number of kilometers driven and the recommendation of the manufacturer of your motorcycle. Usually must have oil in 4–clock engine every 6,000 to 10,000 kilometers and at least once a year change. who beattaches great importance to the maintenance of his machine, changes engine oil at the beginning and end of the season.