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Lmarion1
Jul 5, 2014, 02:33 PM
19.5 hp Briggs backfires through air breather and won't start. Happened after belt came off pulley on LA 115 lawn mower
crigby
Jul 5, 2014, 04:58 PM
Hi,
Sounds like a sheared flywheel key. Would guess that it is mostly a synchronous event that did it.
Peace,
Clarke