Have a mountfield hp470 starts well you pull the cord but then stops after about 3 -4 secs and have to reprime.Does it have a blocked petrol filter or some other problem aadvice gratfully received
Nick
See my other answer to a similar problem, it will likely be the diaphragm.
Graham
November 2009
If the fuel tank is under the carburettor, and the carb is held on by 5 screws....you need the diaphragm and gasket kit that fits between the carb and the tank. Helps with the fuel pumping.
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