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 Topic: 93 NSR 250 SE MC21 







modcit

 
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modcit » Wed Sep 22, 2010 3:36 pm

modcit wrote:
{.bLanK}GoD wrote:Is it just boggy or is it running on one cylinder?
Could just be a fouled spark plug.


No, both cylinders are firing. It seems to be a lean condition. I say this because it runs better when choked. Question is what's causing it. I have heard to clean the pilot jet, and if that doesnt work, check the crank seals. Needless to say, I hope it is simple as a clogged jet.


I checked the plugs.....both a nice tan color. So, that's not it.

Next I will take the carbs off.
_________________
1993 NSR250R SE MC21
2010 KTM 990 SMT
2004 KTM 300EXC
1996 Honda XR250
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