05 Ninja 250 oil leak - TwoWheelForum: Motorcycle and Sportbike forums
 
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post #1 of 6 (permalink) Old 04-23-2007, 04:08 PM Thread Starter
 
Join Date: Mar 2007
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05 Ninja 250 oil leak

Well yesterday I hit 6,000 miles so I decided to do the valves. its my first time ever doing valves on a DOHC/Motorcycle. So I dive right in and fallow the instructions and set teh valves as loose as the manual says you can go. It says there will be more valve noise but low/mid range will be stronger ect. SO I take my time... about 5 hours from letting the bike cool down to starting it back. It was 1 AM so maybe I got sloppy. Anyways, there is some kind of steam hole on the left side of the engines cylinder, right below the head located about midway through those heat fins. it is losing a large amount of oil through this hole for some reason. It has always been there and I don't understand it. I mean the bike runs tip top, starts without using the choke right away. To give you an idea of how much oil it is I rode the bike about 30-40 miles with it losing oil and the sight glass hardly moved but my boot was covered in oil. If I left anything out just ask, sorry for the book

HELP
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post #2 of 6 (permalink) Old 04-23-2007, 04:20 PM
 
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Is the hole threaded, so a bolt can be inserted? Or is it like a carb jet?
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post #3 of 6 (permalink) Old 04-23-2007, 04:47 PM
 
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that doesnt sound rite... lemme go look at mine..

oh nvm i figured out what you're talking about... well the hole isnt supposed to be plugged or anything...its not threaded

Last edited by Crazy250; 04-23-2007 at 04:54 PM.
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post #4 of 6 (permalink) Old 04-23-2007, 07:10 PM Thread Starter
 
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http://images.google.com/imgres?imgu...n%26safe%3Doff

I hope that link works, the 3 silver heat fins near cams, as you can see the one in the middle has a small hole. Now when I was doing my valves I got some coolant in the head. I need to change the oil but the only thing I can think of is that the coolant is causing this
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post #5 of 6 (permalink) Old 04-16-2008, 08:52 PM
 
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I'm having the same problem.



this is the hole where oil is coming out. Have you figured anything out yet? This leak has been driving me nuts. A short run on the freeway covers my boots with oil, making it a little bit slippery coming up to stops.
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post #6 of 6 (permalink) Old 04-16-2008, 09:33 PM
 
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Have you found anything out yet? I have a leak coming from the same place.
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