the plug gap for generator is 0.70 mm
could be a broken valve. or a loose spark plug..
carb. adjustment, fuel filter or the engine is shot.
You can check for spark by removing the plug wire from the spark plug and holding it about 1/4 inch from ground. Have some one crank the engine or pull the starter rope and look for a spark to jump from the spark plug wire to ground. DO NOT hold the wire with your bare hands since you will get shocked. If you have spark there, remove the spark plug and insert it into the end of the spark plug wire and do the same procedure. If there is no spark, the plug is bad. If you have spark, the problem lies elsewhwere.
The 14.5 hp ohv Briggs & Stratten engines require a 0.30 in gap
The correct gap is .035.
.035Answerhttp://www.championsparkplugs.com
3omm
Probably a RH8C Champion plug Plug gap is .025
The Coleman PM 1850 manual calls for a spark plug gap of 0.028" (0.6-0.7 mm). Mike
.30
I got a plug from my local small engine shop, it is a Autolite 255.
If you mean that the wire came out of the boot, then pull the boot off of the spark plug and use a spark plug socket to remove the spark plug.