my mower is backfiring when i shut it off it's a B & S 20 hp twin fire
F freezeplug Member Joined Oct 9, 2012 Threads 2 Messages 12 Oct 9, 2012 / backfire #1 my mower is backfiring when i shut it off it's a B & S 20 hp twin fire
M My_guy99 Well-Known Member Joined Oct 7, 2012 Threads 9 Messages 104 Oct 9, 2012 / backfire #2 Do you have the mower on open choke or a high idle or low idle?
F freezeplug Member Joined Oct 9, 2012 Threads 2 Messages 12 Oct 9, 2012 / backfire #3 it's usually in low idle when i shut it down
F freezeplug Member Joined Oct 9, 2012 Threads 2 Messages 12 Oct 9, 2012 / backfire #4 it has a pull out choke on it the mower was never used much :confused2:. it does surge a little bit when idling. i did replace the plugs as well
it has a pull out choke on it the mower was never used much :confused2:. it does surge a little bit when idling. i did replace the plugs as well
M My_guy99 Well-Known Member Joined Oct 7, 2012 Threads 9 Messages 104 Oct 9, 2012 / backfire #5 . You know the basics
M My_guy99 Well-Known Member Joined Oct 7, 2012 Threads 9 Messages 104 Oct 9, 2012 / backfire #6 Don't know why the other part didn't show up but as I was saying! Need to know the basics like model I gather its a vtwin 20hp
Don't know why the other part didn't show up but as I was saying! Need to know the basics like model I gather its a vtwin 20hp
F freezeplug Member Joined Oct 9, 2012 Threads 2 Messages 12 Oct 9, 2012 / backfire #7 i'm lawnmower stupid lol haven't a clue what to do .
F freezeplug Member Joined Oct 9, 2012 Threads 2 Messages 12 Oct 9, 2012 / backfire #8 yes it's a V Twin 20 hp 1996 model MTD yard machine
M My_guy99 Well-Known Member Joined Oct 7, 2012 Threads 9 Messages 104 Oct 9, 2012 / backfire #9 Normally it would be your idle speed at shut down, but you say you are in low! And the plugs are new at the right gap setting as well I take it.
Normally it would be your idle speed at shut down, but you say you are in low! And the plugs are new at the right gap setting as well I take it.
F freezeplug Member Joined Oct 9, 2012 Threads 2 Messages 12 Oct 9, 2012 / backfire #10 yes i set them before installing them, i was also told to try letting it idle for 30 to 60 seconds before shutting it down that make any sense to you ?
yes i set them before installing them, i was also told to try letting it idle for 30 to 60 seconds before shutting it down that make any sense to you ?