CH 25s engine misfires under load

SeniorCitizen

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If it has NGK plugs try Champions with a 0.020 - 0.025" gap.
 

hakelly

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Jul 25, 2015
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Mystery solved

If it has NGK plugs try Champions with a 0.020 - 0.025" gap.

I had checked the plugs several times and they looked good - gray deposits - probably because I shut it down when it was running properly.
They were Champions but I thought, what the hell, changing plugs has never worked for me before, might as well try it again (definition of insanity)
Took out the left plug, lo and behold the top cracked off.
New plugs, now running like a champ.
Thanks to SeniorCitizen and ILENGINES (and others) for taking the time to help me out and saved me some serious work.
One dumb spark plug, whoda thunk it. Not me.

Now, how to retrieve the screws I dropped down in the bed pan. Guess I gotta pull the engine for that.
 
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