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Surging Suffolk Punch Lawnmower

Posted: Fri Sep 22, 2017 8:47 pm
by salmoor61
Hi, one &all this is my first post , This lawnmower starts first pull of the cord and then starts surging . any one any advise?

Re: Surging Suffolk Punch Lawnmower

Posted: Sat Sep 23, 2017 4:32 pm
by Richard
Usually this is due to the fuel/air mixture being wrong. Can be the choke, either it needs more, or less, for a while after starting. Or it can be some dirt in a jet, partially blocking it. If it runs better on part choke once warm, it will be dirt. When I had a Suffolk with adjustable jets, I sometimes used to unscrew the main jet adjuster a bit until the "hunting" stopped. Cheating, as I should have cleaned the carb out instead.