Originally Posted by Snapperhead
115 psi ? Thats aweful low for a 2 cycle engine
I like to see 150 , 140 is average
Make sure both plugs are out and throttle is wide open when testing
You might need to pull that flywheel off and see if the key-way is sheared in half , that will throw off your timing really bad
The flywheel key is what I was thinking. Mowers are notorious for that if something didn't happen when it was supposed to.