I have a 1999 Polaris XC 700(non v.e.s.) that continues to pop through the exhaust only around idle. I rebuilt the carbs,set the floats, checked the compression(which was good), and also replaced the carb grommets(cracked bad). It seems like it might be the clutch side but when i pull the plugs the look ok. Recently i put 120 miles on it cause this was the first time out this year and i thought maybe bad gas.
jkakuk
Popping means that is is lean.
Make sure that the idle jets are clear by running a piece of fine wire or monofiliment line through there as well as soaking the carb and blowing it out with compressed air to clean them.
Make sure that the idle jets are clear by running a piece of fine wire or monofiliment line through there as well as soaking the carb and blowing it out with compressed air to clean them.
You may still have a chunk of something in the idle jet though, I'd do it again just to make sure. Otherwise you may have a problem with your piston or exhaust port, which is much more expensive and difficult to check.
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