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Old 06-05-2020, 08:00 PM   #1
the mother
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Need help

I have a 2008 Kawasaki Ninja 250 I had a carburetor I had it put on and now when I started and I get on the throttle and let off it throws gas into where the air filter goes I clean the jets and everything and put it back but it’s still doing the same thing and I don’t know what to do I’ve been trying to find somebody that can help me with this because I’m not very knowledgeable on the mechanics of a motorcycle so any help will help
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Old 06-05-2020, 08:18 PM   #2
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That's very strange. I worked alot on carburetors from chainsaws, to motorcycles, to cars. My '94 ZX6E is carbureted. You are saying fuel is getting into the air box? Maybe the float system is not functioning allowing the bowl to overfill and run into the air box?
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Old 06-05-2020, 11:04 PM   #3
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Is there anyone that could fix it for for a reasonable price I’m on a fixed income but really miss riding. I live in Alvin
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Old 06-06-2020, 10:19 AM   #4
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Check your oil level and if high fuel or smells like bass it may have flooded cylinder as said above which means it could have also leaked down into your oil. Two lines of defense against this, float bowl as mentioned and fuel cutoff valve when leave sitting.
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Old 06-06-2020, 07:43 PM   #5
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Did that oil is fine
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Old 06-07-2020, 07:34 AM   #6
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I owned the exact same bike years ago. Worked on many a carburetor but vowed never to own another bike that wasn't fuel injected. That being said, I'm retired, have time, and willing to take a look at it if you like. Need to know if you have the tools to remove it and any kind and lucky - here's a link to an online PDF of a service manual.

https://mototh.com/files/kawasaki/Nin...FI-English.pdf
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Old 06-07-2020, 07:36 AM   #7
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I'll PM you.
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Old 07-12-2020, 04:49 PM   #8
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TXagharrison ( Jim )
I wanted to thank for fixing my bike to runs really good. I’m glad we got to me and become friends. Your a really good person
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Old 07-13-2020, 02:37 PM   #9
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Hey Linda, it was my pleasure to work on your bike. Thanks for letting me ride it for a while, it was a blast from the past for me! I forgot how that little 250 revs, it is a beast! Great meeting and chatting with you, let's ride when it cools down a little.
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Old 07-13-2020, 04:24 PM   #10
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It's great to see people help each other out like this.
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Old 07-16-2020, 10:00 AM   #11
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Good write up. Nice to know some moto help is still available here. It was very much like this in the beginning of the forum. Motorcyclist helping motorcyclist

So what was the problem with the carburetor??
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Old 07-17-2020, 04:32 PM   #12
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It turned out to be pretty easy, as usual, removing the fairings was the hard part. I started the bike and pulled the air filter cover. Just like Linda had said, I could see fuel spitting back into the airbox through the firescreen from the carbs. I had resigned myself that I'd have to pull the carbs and look at float levels and such, but after some internet research, I examined the vacuum hoses for the vacuum petcock, emissions stuff, etc. and found that there were some tubes that weren't in the right place.

I put them back like the Ninja forum on the 'net indicated. When I started it up, no more fuel backing into the airbox. It did look like there was fuel in the oil too, so I changed that, and with Linda's permission, I rode the bike for a total of about 50 miles and it seemed to be working great, there didn't seem to be any fuel backing into the airbox or transmission.

The little bike is awesome and would probably give my Ninja 400 a run for its money for the fun factor. I was happy to help and Linda was very gracious. She delivered the bike and picked it up afterward, thanks for the opportunity.
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