Cleaned the carb and changed the plug . also tried heating the plug with a torch and it doesnt even try to start. checked the plug and it has great spark. i know there is fuel cus the plug gets wet and the fuel comes out the exhaust.
I seems you have answered your own question: combustion chamber flooding...so the during exhaust stroke fuel remains in the chamber, or is being sucked in from the tank. Fuel pump diaphragm is the most likely suspect part; and is a routine wear out and replacement part. After replacing, be sure to maintain according to mfr recommendation for storage (generally it's to flush tank with un-oiled fuel before storing) to avoid early wear out of fuel pumps diaphragm.
SOURCE: cant get my 25cc craftsman blower to start...
try checking to see if spark plug firing ,, if it is not firing the magneto is bad,, just follow the plug wire and you find it,, here is a way to check the fire,, take spark plug out take a pair of rubber or plastic coated pliers and hold to some metal while someone pull it if you dont see spark then this is your problem,, hope this help you
SOURCE: 25cc TB25BP new plug, new Gas, Clean Carb.. will not start
Check Make sure its the right plug.- Check for stuck choke-Check.Air/fuel mixture screws out of adjustment.
SOURCE: craftsman leaf blower wont start
The air gap for the ignition coil core to flywheel is adjustable on some engines and the gap does vary.
On a Stihl, I used a matchbook cover first, then doubled it and got the engine to start.
That amounts to 8-10/1000ths (0.008-0.010") as measured with a digital caliper after-the-fact.
I'm troubleshooting another engine currently from a McCulloch Airstream IV that only has ~12 hours and no spark but the coil measures roughly as it should; around 1K Ohms.
Was surprised to find the company went bankrupt in '99.
Another one killed by Asians and fairly poor design.
if you have no spark and the kill switch wires are not shorted out then the coil is bad
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