Idle issues

Matthew243301 · February 15th, 2018, 02:45 PM

I have a Kawasaki Nina 250r. Whenever I take off the choke my bike doesn’t want to idle. It does whenever I let off the throttle just warming it up. I don’t know the cause. I have no idea what to even look at.

jkv45 · February 15th, 2018, 03:41 PM

There are quite a few things that could be the cause, but the condition and adjustment of the carb is one of the major factors.

Look through this section for ideas - https://faq.ninja250.org/wiki/Intake

First thing I always consider is the gas. Is it fresh? Could it have condensation in the tank? Could the gas be bad? Draining the tank and refilling with fresh gas is a good first step if there's any chance it's less than perfect. Gas with ethanol goes bad a lot quicker than gas without.

Draining the floatbowls (and catching the gas) will tell you if there is water or debris in the system.

February 15th, 2018, 02:45 PM	#1
Matthew243301 ninjette.org newbie Name: Matthew Location: 130 n Main Join Date: Feb 2018 Motorcycle(s): 07 Kawasaki ninja 250cr Posts: 1	Idle issues I have a Kawasaki Nina 250r. Whenever I take off the choke my bike doesn’t want to idle. It does whenever I let off the throttle just warming it up. I don’t know the cause. I have no idea what to even look at.

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February 15th, 2018, 03:41 PM	#2
jkv45 Rev Limiter Name: Jay Location: WI Join Date: Jul 2013 Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes Posts: A lot. MOTM - Jun '18, Oct '16	There are quite a few things that could be the cause, but the condition and adjustment of the carb is one of the major factors. Look through this section for ideas - https://faq.ninja250.org/wiki/Intake First thing I always consider is the gas. Is it fresh? Could it have condensation in the tank? Could the gas be bad? Draining the tank and refilling with fresh gas is a good first step if there's any chance it's less than perfect. Gas with ethanol goes bad a lot quicker than gas without. Draining the floatbowls (and catching the gas) will tell you if there is water or debris in the system.