Mower runs rough / no power

dissimulo

Membership Revoked
So, it is lawn mowing time again. When I put my mower away last year, it worked fine. I drained it of fuel before putting it away for the winter.

I tuned it up this weekend - changed the oil, air filter, spark plug, set the valves, and disassembled and cleaned the carburetor. The gas I put in it is new gas.

But, the mower runs roughly and weakly. I figured I must have botched something in the tune-up, but I have triple checked my work now and everything looks fine.

So, what have I missed?
 

Rippled

Veteran Member
Yeah, make sure that there isn't a cut in the plug wire.
Does it run better or worse as it gets hot or warmed up?
Or does it run the same?
 

dissimulo

Membership Revoked
Go figure. I replaced the brand new spark plug with the old spark plug and it works fine now.
 
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