Questions & Answers for: lawn mower misfires

mountfield 4.5hp briggs starts ok runs but when under load loses power misfires for a second or two then runs ok for a bit . can you help BC Replace Spark Plug, Check for Rust on the Flywheel and ...

my briggs engine is misfiring .popping. new engine,old carb.Recently replaced head and valve train due to a valve seat that failed.Do you think a carb rebuild or replacement will fix /model 28N707 ...

misfire on banks 1 & 2. changed plugs and coil pack. sounds like a lawn mower. Jerks, bogs, and sometimes stahls. check plugs and wires

exmark 19.5 Lazer Z Misfires when you engage the PTO Engine misfires when you engage the PTO then after a frew it runs fine heck the spark plugs for carbon build up 

misfireing and excess fumes Classic model series 90000 probably need caeb adjustment turn your fuel mixture screw in a little to see if it runnes better other problem my be a possibllity that the ...

Engine misfire I have a Husqvarna YTH2148 that has a very cyclic misfire (about every 3 or 4 seconds). during the misfire it blows black smoke. As a result it fouls plugs very quickly. I change the ...

...lawn mower misfire and not start? engine turns over misfires but wont start How old is this mower? Misfire meaning backfire? Recommend a compression test. Small engines, particularly the the b&S ...

lawn tractor misfires but wont start what should i do misfires thru exaust but wont start what could be wrong ? wrong fuel or the the timing is out,get it serviced

...lawn mower electrical safety switches.... https://www.youtube.com/watch?v=Xi3p465MN1E How to test lawn mower electrical safety switches Shows all safety switches disabled.... ...

...lawn mower. Type 02031, Serial Number 0254990, Briggs and Stratton Quantam40 XTRA. My son has put two stroke petrol mix into this 4 stroke mower. Is this a problem? Your mower is likely to throw out ...