August 2nd, 2011, 05:53 PM | #1 |
ninjette.org member
Name: Josh
Location: Breinigsville PA
Join Date: Aug 2011 Motorcycle(s): 1986 kawasaki ninja ex250r Posts: 18
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bike wont idle right :(
maybe someone can help me out..i have an 86 ex250r and right now it is idling around 3000-3500rpm and the manual says it should idle around 1300rpm...anyone know how i can fix this! any advice will be greatly appreciated!!!
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August 2nd, 2011, 06:38 PM | #2 |
IBA # 44620
Name: Steve
Location: Sudbury Ontario
Join Date: Jun 2011 Motorcycle(s): 94 Ninja EX250F, 2004 Yamaha FJR 1300 Posts: 13
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First things first. Can you adjust the idle speed with the black adjuster knob on the clutch side of the carbs?
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August 2nd, 2011, 06:59 PM | #3 |
ninjette.org member
Name: Josh
Location: Breinigsville PA
Join Date: Aug 2011 Motorcycle(s): 1986 kawasaki ninja ex250r Posts: 18
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yea when i try that it just shuts off...i cleaned the carbs but it still will only idle there or it just shuts off
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August 2nd, 2011, 08:36 PM | #4 | |
IBA # 44620
Name: Steve
Location: Sudbury Ontario
Join Date: Jun 2011 Motorcycle(s): 94 Ninja EX250F, 2004 Yamaha FJR 1300 Posts: 13
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Quote:
You say you cleaned the carbs, did you remove the idle mixture screws, clean them? Clean the ports leading to the throttle body? |
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August 2nd, 2011, 08:49 PM | #5 |
ninjette.org member
Name: Josh
Location: Breinigsville PA
Join Date: Aug 2011 Motorcycle(s): 1986 kawasaki ninja ex250r Posts: 18
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yea fully took apart the carbs and used 2 cans of carb cleaner. and other than the idle the bike runs fine...there is smoke coming off the exhaust (off of the outside not from inside them) i suspect its just old oil residue (25 year old bike) but yea those are the only real problems i can tell is the idle rpms are running 3000 and the smoke off the exhaust
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August 2nd, 2011, 09:17 PM | #6 |
ninjette.org sage
Name: Marc
Location: Crawfordville, Florida
Join Date: Jan 2010 Motorcycle(s): 2005 Suzuki S50, 2006 Kawasaki Ninja EX250F, 1990 Honda PC800, 2000 Yamaha TW200 Posts: 848
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Is the choke (enricher) off, does the choke work, cable's not stuck or kinked?
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August 2nd, 2011, 09:21 PM | #7 |
ninjette.org member
Name: Josh
Location: Breinigsville PA
Join Date: Aug 2011 Motorcycle(s): 1986 kawasaki ninja ex250r Posts: 18
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nope the cable is in good condition just checked that today when i put the carbs back in
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August 3rd, 2011, 07:24 AM | #8 |
ninjette.org member
Name: George
Location: Ottawa, Canada
Join Date: Jun 2011 Motorcycle(s): EX250, C10 Concours Posts: 109
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Are the butterflies reasonably in synch, i.e. do they more or less close at the same time?
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August 3rd, 2011, 07:56 AM | #9 |
ninjette.org certified postwhore
Name: .
Location: .
Join Date: Feb 2011 Motorcycle(s): . Posts: Too much.
MOTM - Feb '13, Feb '14
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Did you use compressed air to blow out the pilot jets and idle circuits as well as using the carb cleaner on them? or just the carb cleaner? The canned carb cleaner doesnt always get all of it. Try to run some seafoam or other carb cleaner thru with the gas and that should loosen up anything the aerosol carb cleaner missed
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August 3rd, 2011, 08:23 AM | #10 |
ninjette.org member
Name: Josh
Location: Breinigsville PA
Join Date: Aug 2011 Motorcycle(s): 1986 kawasaki ninja ex250r Posts: 18
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yea the butterflies are perfectly in sync and what is seafoam?? and how is it used ive never heard of it
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August 3rd, 2011, 08:59 AM | #11 |
ninjette.org member
Name: Rick
Location: Winter Park, Fl
Join Date: Jul 2011 Motorcycle(s): None yet Posts: 64
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Rick |
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August 3rd, 2011, 09:09 AM | #12 |
ninjette.org member
Name: Josh
Location: Breinigsville PA
Join Date: Aug 2011 Motorcycle(s): 1986 kawasaki ninja ex250r Posts: 18
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thanks alot, i just ran it for about 10 mins and the best i could get it to idle in is 2500rpms... but the good news is that the smoke is gone...
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