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  1. Polaris Ranger 570
    Anybody else's 570 sputtering around 4k rpm. Mine does and it really annoys me. Runs absolutely purrrfect until 3800 then barely sputters then clears up at 4100. Tried a ngk plug with no improvement. Seems like it leans out or something. Plug checks good visually. It had 4 miles on it when i...
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