Thread: KLR250 thread
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Old 06-18-2013, 01:03 PM   #1173
Joined: Jun 2013
Location: St. Helens, OR
Oddometer: 35
1988 klr 250 carb issues

Found out the problem. I acquired another carb from a parts bike for comparison, and found that a previous owner for my bike had drilled the pilot screw hole out, maybe an additional .010: -.015". With the screw all the way in, it would protrude nearly 1/16" into the throat. That explains why it would only idle with the screw bottomed out and the throttle plate opened excessively.
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