Question about 1991 kawasaki ZZR 600

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My friend just bought a 1991 Kawasaki zx 600 -c4 16 valve twin cam ninja that was sitting for about 7 yrs so the guy said, well I put new plugs in cleaned the air box that had a mouse nest in it and started it after a new battery. it sounds like it runs on 2 cyl and pops when you rev it up and does not idle. I can fix a Harley but not one of these, like I said he is a good friend and don't have much so any help will be greatly appreciated. this is his first bike and just got his permit.

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Only one thing to do, take off the carbs and soak them real good, get the gum out, and make sure the jets are clean, so you can blow through them, some of that gas gets in there and dries hard as a rock. You will need a piece of wire to bust it out, don't try drilling it, I tried once, I made a diesel. A guitar string works good, about .009 is the smallest, you can get them at the music store out of the garbage. I would get a whole set, then you have some stiff wires for cleaning such things. It should do it. I think most jets are fixed,. You might need an air flow meter to make sure all of them are the same. Hope this helps.

Posted on Apr 23, 2010

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