New member from Long Beach Cal - Kawasaki Ninja 250R Forum
 
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post #1 of 8 (permalink) Old 03-11-2014, 01:00 PM Thread Starter
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New member from Long Beach Cal

Hello Everybody.
I'm new here. Owned a 250R for about 6 months. Already with a problem and I'm here looking for help and answers. Right now, got a big problem with fuel leak (might be mixed with fuel) coming out somewhere behind the front sprocket of the chain. I'll be buying the lift to pick up the rear axle so I can work on removing the chain and see better the source of the leak. The fuel has been turned to off but it's still leaking all the time. It leaks a lot more if I shook the bike (tank). FYI, the oil glass seems a little too full, it may have gas. I'll be draining the oil soon also. Any help would be appreciated.
1999 Ninja 250R with about 8K miles on it.
Hope to learn a lot from this site.
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post #2 of 8 (permalink) Old 03-11-2014, 01:20 PM
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Replace the petcock, change the oil and check the airbox.
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post #3 of 8 (permalink) Old 03-12-2014, 11:26 AM Thread Starter
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Thanks DaBlue. Per your advice, I guess I will not remove the chain. That seems quite a bit more involved. I can handle the things you gave me. I will update when I get done with those things. I was surprised how easy it was to put the bike up on the big stand because I only weigh 155 pounds. It felt kind of light. As you can tell, I'm kind of green behind the ears too on this stuff. Rebuild the petcock or buy a whole new one? OEM?
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post #4 of 8 (permalink) Old 03-12-2014, 01:06 PM
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post #5 of 8 (permalink) Old 03-13-2014, 09:21 AM
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Even though you have a low mileage bike, parts still deteriorate with age. The petcock has rubber a parts. Not uncommon to see at this age.

sent from my fone.
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post #6 of 8 (permalink) Old 03-13-2014, 12:06 PM Thread Starter
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Following your advices

I'm in waiting mode for the new OEM petcock. Once, I got it in there, I'll change the oil. I opened the oil cap and it definitely smells gas. I already checked the air filter and it's OK. Will update with results when done. Thanks.
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post #7 of 8 (permalink) Old 03-21-2014, 10:48 AM Thread Starter
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Finally got the parts and replaced the OEM petcock (from Partzilla.com) and the oil filter. When I drained the oil, it was like pure gasoline. It was not thick at all and smelled gasoline, of course. Everything worked out well. Thanks everybody for your help. Now, got to work on the Synchonizing the carbs since I read about the "stuttering" most especially at high speeds. I'm glad I didn't have to pay a mechanic to fix this gas in the oil problem. I guess it's a common occurrence. )
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post #8 of 8 (permalink) Old 03-21-2014, 11:26 AM
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Cool. Now just clean up the engine good and make sure the crankcase vent hose is connected the bottom of the airbox. Makes it easier to tell where your leaks are.
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