G'day folks,
We can start here with some excerpts from a Briggs Manual; P/No 270962 Single Cylinder L-head engines.
These are the 'won't start' checklist, of procedures to work through in sequence, as a systematic diagnostic approach.

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In the older models with points/condenser ignitions, we add checking/cleaning/adjustment of those components to the end of this list.

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Cheers,
Gadge

"ODK Mods can explain it to you, but they can't understand it for you..."

"Crazy can be medicated, ignorance can be educated - but there is no cure for stupid..."