Where weight counts, as in a chainsaw, the two stroke cycle gives you power on every stroke where the 4 stroke cycle is only on every other stroke. That is really why. But to make a "run in any position" four stroke would increase the complexity.
Where weight counts, as in a chainsaw, the two stroke cycle gives you power on every stroke where the 4 stroke cycle is only on every other stroke. That is really why. But to make a "run in any position" four stroke would increase the complexity.
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