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Thread: 1998 zx9r
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post #2 of (permalink) Old 09-10-2019, 04:06 AM
CrashTheSuzi
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Joined: Aug 2019

Posts: 5
Sounds like ur valves need adjusted. My zx11e used 2 do that. Itd idle fine. But when running it wouldnt pick up the 4th cylinder til 1/2 throttle or high rpm. Got progressively worse to the point where itd idle on 2 or 3. Wouldnt get the 4th til 3/4 throttle or 130mph. I had 5 valves hanging open by then. And adjusted 13 of them. So try valve adjustment and carb sync after. Go thru fuel/air/exhaust n make sure everything is clean/tight/leak free. Stupidly small things can stack up sometimes
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