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98 ZX2 hesitates and stumbles

01-25-2007, 01:24 PM
The engine will hesitate and stumble only in 4th gear(overdrive ) between 1900 and 2200 rpm, and only if i am accelerating slowly. If i push it a bit it runs fine.
Complete tune up done, new plugs and wires.
I always use Synthetic OIL

Does anyone have the same problem, if so how did you fix it.

98,ZX2,ATX 140000KM

01-26-2007, 03:45 PM
Try cleaning the MAF. Worked for me when mine did that. Exact same RPM range mine did it too. There's a MAF cleaner available but I used electronic cleaner spray and it worked too.

01-27-2007, 11:58 PM
Where is the MAF?

01-28-2007, 12:28 PM
It's under that 4 or 6 wire oval looking right at you on the airbox just past the air filter. It's in the intake stream.

01-28-2007, 09:11 PM
ok thanks... i'll check it out and see if it's dirty and clean it if necessary. I'm also doing other long over-due maintenance. I will be replacing the spark plugs and cables.

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