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Mend Mountfield SP125 Lawn Mowers

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Mend Mountfield SP125 Time Sound Working

my mower starts 1st time but chuggs after?

my mower is a mountfield and it starts first time but it seems to make a chugging sound when working I have changed the oil and the filter is clean the spark plug has also been cleaned I dont know what else it could be can you help

eira
May 2010
On mine it was the Governor spring on top of the carb that had broken. Just replaced it.

Richard
June 2010

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