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Discussion Starter #1 (Edited)
I have a Creary Bear Cat 5hp Tecumseh, runs at idle, stalls under light load, thinkin carb needs adjusting, any ideas would help. No model No#. Any idea on plug type, and gap.
 

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I gap plugs at .032. (As a courtesy to classiccat, I had .035 as the gap by error, I added this later, I gap everything at .32 only because it's close enough to most specs, however if the gap is off by a lot it throws the ignition timing off and could cause not starting, backfiring. I've seen new mower plugs gapped at .050!!!

Could be a carb adjustment but also a dirty carb. Usually, not always, an indication of a dirty carb, you will need to keep some of the choke on when warmed.
 

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Welcome to the forum!

I'd bet that it's due to compression loss...it may be due for a new head gasket &/or valve job.

All L-head tecumseh engines have a spark gap of 0.030" regardless of ignition type (standard point or solid state) (I believe JLawrence had a typo up there).
 
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