Question by wullymc09: What is the difference between a 2 and 4 stroke ?
I have a new 125 cc pit bike and don’t know if its a 2 or 4 stroke ? It takes staight petrol i know that and there is a oil bit uder my seat ! Anyone know if it is a 2 or 4 stroke ? Thanks
Answer by tom4bucs
two stroke – oil is added to the fuel
only one down-up stroke per cycle
4 stroke – oil is in a separate chamber
takes TWO down and up to fuel the chamber and rid the fumes
all the best
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