rfkhan

Engine: Yamaha YD-100 Strokes: 4 strokes I don't know if this forum accepts such type of questions but I still hope that my problem will be solved. The problem is that the tiny hole through which the engine oil is sprayed to the head of the engine is blocked(not completely) for some reason. All I want to say is that if it's possible to clean the hole without opening up the whole engine.