Starts and runs for a few seconds then begins to smoke ( black smoke) and pop and spit then dies out and will not fire again until you drain the fuel bowl
To much fuel either the needle valve is stuck or the float is bad tear apart the carb acid dip and clean take float submerge in gas for 20 min pull out shake next to ear if you hear liquid inside its bad
SOURCE: i have a 22hp intek v twin briggs motor while
if its popping out the intake or exhaust,then possibly you have sheared a flywheel key and its out of time,you need to remove the flywheel cover and look to see if this is what happened
SOURCE: Briggs and Stratton 22hp v twin OHV smoking badly
First thing to do is pull your dipstick and check for broken or missing O-ring also as you pull it, look to make certain that it was seated properly and all the way locked. If either condition exists, you will be leaking into the crankcase which will cause your symptoms
SOURCE: briggs and stratton miss fires on one cylinder.22hp intek
possibly a commpression test might throw a little more light on the situation ,that will eliminate alot of speculation, and make it easier
SOURCE: Briggs & Stratton Briggs Stratton Intek V -
these are common for doing this ,if you dont want to pull it down and hone the cyl. then i would use a heavier oil say 20w/50and that will probabley solve your problem
SOURCE: Briggs and Stratton Intek V
Misfiring could be caused by simple things like fouled or worn out sparkplugs or an ignition system that is slightly faulty or Fuel problems such as dirty or stale fuel or clogged filter causing a leam mixture. Some B & S motors have an switch that cuts the Ignition if the oil pressure or oil level is low.
Another cause could be the Valve clearances are out of adjustment.
Armed with your Engine Number, visit the B & S Website for comprehensive information and specifications as well as a good FAQ listing.
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answered my own question, went to check valve lashing and found a bent pushrods.
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