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post #1 of 2 Old 02-15-2009, 01:31 PM Thread Starter
Join Date: Feb 2009
Posts: 1
Question carb

Hi Folks,

Newby here. Have an '08 KLR, really hard to start, choke only ups revs to 1500 rpm until warm, then ok after that. Seems to stumble at 2000 rpm even when warm. Exhaust pipe is quite blue coming from cylinder.
Took to shop - "it is normal, this is a cold running bike"
Has anyone rejetted the carb and richened it up any to address similar prob;ems?
If so, what jet kit was used?
Other than this issue, I have a great bike.

Last edited by goldwing1; 02-15-2009 at 01:32 PM. Reason: spelling issue
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post #2 of 2 Old 02-15-2009, 03:33 PM
4th Gear
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Join Date: Sep 2006
Location: Paso Robles, CA.
Posts: 1,333
The start issue may be one of two things. First try adjusting the idle mixture screw on the bottom of the carb. You'll have to pull the little plug out to access it. Set it at 2-2.5 turns out from lightly seated. If it is still hard to start when it's cold after that adjustment it is likely the KACR which is a compression release to make it easier to turn the motor over. It opens the valve a little more than necessary making cold starts difficult. This is a known issue with the 08's so call your Kawasaki dealer to have them fix it.
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