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blowing black smoke & running rough?

2001 mountfield 35 petrol mower blowing black smoke and keeps coughing
harry c, November 2011
Just replace the carburettor diaphragm, Obtain part number 795083 for a couple of quid fom any sensible Lawnmower agent and away you go!

Go to you tube and find out how to change it- its not difficult and will save you a repair bill of anything up to £40-£50

pleasant, November 2011
Don't forget the air filter may be blocked.

davidj, November 2011
when was the last time you serviced this mower?if never then its time for a little TLC.drain engine oil ,replace the filters.take a trip to a mower, or garden center,most large garden centers sell ,stock mowers and someone there will be able to advise you on oil and service parts.

mech monster, November 2011
link Click here to see other fixes for Mountfield.