Which one is more efficient? A four stroke engine or a two
stroke and why?

Answer Posted / manoj prabahar

Four stroke engine produces less pollution than two stroke,
since there is no valves the the little amount of fresh
charge escapes so it gives less mileage, but power produced
is more in two stroke since cycle of operation is 2, rather
in 4 stroke its 4. The power produced in 2 stroke engine is
app twice the 4 stroke for the same capacity engine....

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