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what should the compression be on most small engines , weed eaters and lawn mowers ?

I have seen push mowers run fine down to about 60. I like to see at least 90+ on trimmers and saws. Some briggs twins run around 100-150. I have seen some chainsaws run about 175.

rodney12 said:

what should the compression be on most small engines , weed eaters and lawn mowers ?

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Lawn boy 2 stroke with new rings is 120. Used engine in good shape 110.

On your typical 2 stroke, border line in order to run is around 80psi