So I have a lawnmower that I got. No spark plug in it. Put in a sparkplug from another mower and it runs but idle is hunting and backfires. How can I find the correct plug?
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Which sparkplug, 190cc came without plug
- Thread starter Gta_g20
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I use Champion J19LM on those units. Your hunting probably means a carb clean and rebuild.
Thanks I’ll pick one up
Definitely needs a carb clean and check the gaskets for any air leaking.....also check the gas. It may have some water in it. Better to just dump it out and start wtih a known fresh tank full if you are not sure.