Throttle stumble/rough idle - Kawasaki Forum ::
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post #1 of 1 Old 08-10-2016, 05:00 PM Thread Starter
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Location: Portland
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Exclamation Throttle stumble/rough idle

I've seen this problem up in the forum but no one seems to have posted a solution. I have a '12 zx6r with 5k miles that has been slowing declining the last few weeks. It started with a noticeable exhaust "popping" on decceleration. Then a little stutter in the throttle with constant acceleration >4,000 RPMS. Now the stutter is worse feeling more like an almost on/off at times, the popping happens with acceleration as well and there's a rough idle going on. I thought it was potentially bad gas so I drained the tank and also ran some fuel injector cleaner. The power is better but everything else is still there. Any suggestions? No mods have been done so I don't think it's a timing issue. New spark plugs? Fuel filter assembly maybe?

Last edited by Donatello; 08-11-2016 at 04:11 PM.
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