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  1. 09 500 EFI running rough

    Full Size Ranger Discussion
    I work at a resort with 4 '09 500 EFI rangers. All 5 are experiencing the same issue. when they get the slightest bit warm they run super rough, back firing, stalling, hard to start. We looked them over (plugs, wires, filters, fuel, etc) and could find nothing wrong. took them to the dealer...
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