Hey all, I am all new here and hope someone can help? I have a 03 prarie 650 recently my battery went bad. I replaced it and now it starts and idles fine but misses and sputters on throttle up? any ideas
I presume the new battery was fully charged before attempting to start the ATV. If not, start there. If so, check your connections and grounds before starting to troubleshoot ignition problems.
If it was left for an extended time with old fuel, while the battery was out of it, or it was run with old fuel, then I would concentrate on disassembling, cleaning, and inspecting the carburetors. Also check the carburetor heaters to be sure they are properly functioning.
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