2002 Kawasaki ZX-6R problem. - KawiForums - Kawasaki Motorcycle Forums
 
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post #1 of 2 (permalink) Old 03-04-2018, 08:17 PM Thread Starter
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Question 2002 Kawasaki ZX-6R problem.

A few years ago my bike started running poorly so I parked in a garage and left it untouched for a while.

Now I decided to get it running again. Drained old fuel, cleaned carbs, fuel petcock screen, replaced fuel line. Changed oil, coolant, brake fluid.

Put a new gas in and took it for a ride to be disappointed again. The bike did run with some hesitation at beginning of the throttle and the higher I went with the gears the less power I felt. I was able to get it maximum to about 70mph with WOT.

So I took the carbs out again - will try to do a more thoroughly cleaning. In the mean time I removed the plugs and the 3rd plug looked different from the other ones. The plugs are fairly new - I don't remember when I changed them, but they do not have many miles on them. Since they were out I did compression test also: All cylinders showed about 145psi when the 3rd about 130psi. Is this a problem?



Also the valves looked a bit gunk-up looking from the top where the carbs were.
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post #2 of 2 (permalink) Old 03-22-2018, 06:27 PM
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If you don't have a service manual already go buy one, worth its weight in gold. Until then, looks like you're running a little bit rich on cylinder #3. I would also recommend checking float bowl heights when you pull the carbs off again. That spec will be in the service manual. If that doesn't do the trick I would check valve clearances to make sure they are also within spec, that info will also be in a service manual. Just remember that you need to do that when the engine is COLD. Best of luck...

2008 NINJA 250R TOTALED
2014 NINJA 300 SE SOLD
1992 NINJA GPX ZX600C PARTED OUT
1989 NINJA GPX 600R
2008 NINJA ZZR 600
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