A 2-stroke motorcycle engine environment is much more severe than that of yard tools like chainsaws. Motorcycle engines break down oil much faster than cars because they run hotter and faster. Generally, motorcycle-specific 2-stroke oils have five times the protective additives than conventional oil. They also do not have friction modifiers, which can mess heavily with the clutch performance. Therefore, it is highly recommended to use 2-stroke oils designed specifically for motorcycles.