motor has no compression how do I get it to come up? Deck hit small stump cut off now will not has no compression it is about 3yrs old. The mower is a 12.5 ohv motor. It is not running

james collins, June 2009

Presumably the engine came to an abrupt halt when you hit the stump? I can't see how this should affect the compression of the engine though....best take the valve cover off to see if they are still opening, before removing the cylinder head next.

John, June 2009