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Discussion Starter #1
So I have cleaned both carbs, change the plugs and the front carb seems to not run well.

Starts up cold runs great then warms up and starts popping and backfiring all the time and of course I have power loss.

Seems to run great for a day or 2 with brand new plugs but doesn't last.

This came out of nowhere as its my farm utility quad and 6 months ago it started one day and I'm stumped.

Anyone have suggestions as it is driving me crazy?

Ignition coil?

Thanks for any help
 

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Is it in limp mode?
 

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what does the plugs look like after 2 days ? Fouled full of soot ?
 

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Sounds either like a lean issue or poor/weak spark if a new set of plugs works for a couple of days.
 
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