Lawn Mower Not Running Smoothly

My Briggs 4.5 powered lawn mower doesn't run smoothly. The engine revs and uses more fuel than it should. I think it is running too rich and that the problem stems from ethanol. Does anyone else experience this problem, and do you know what parts need repair?


Philip from MA


Lawn Mower Not Running Smoothly

I use 10% ethanol in the same engine with no problems the rev sounds like a vacuum leak, possibly a bad gasket. It is easy to replace with info from Google or a small engine rebuild manual. (09/18/2008)

By doityourselfer


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