cut the lawns today,mower was running beautifully until about the 45 min mark when the revs worked there way down until it stalled.tried starting it & no go,did the spark plug test using another plug & had a good spark but then noticed that the fuel filter was nearly empty.

let it sit for 5 mins & the filter filled back up & the mower started again straight away.did the same thing again after another 30 mins mowing. i have noticed that the fuel cap doesn`t tighten when you screw it on & leaks a bit of fuel,could this be causing air in the line ?

cheers
jason