May 26th, 2019, 08:15 AM | #1 |
ninjette.org newbie
Name: Nick
Location: Muncie
Join Date: May 2019 Motorcycle(s): Ninja 250 Posts: 1
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Need Help! 06 250 pouring gas out front of carbs
Hi everyone! This is my first post on here and I’m needing some help. I recently picked up a nice 2006 ninja 250 for a good deal and was told it sat over winter but ran fine before. I’ve rebuilt carbs before so I wasn’t worried about it and got it running but it’s pouring gas out of the front of the carbs. I replaced both float bowl seals because they were pretty rough but it’s still doing the exact same thing! I’m at a loss of what’s going on, can anyone help?? I attached a video to help show what’s going on. I would appreciate any help or suggestions. Thanks in advance!
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May 26th, 2019, 08:55 AM | #2 |
Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
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The float valves are not shutting off the fuel flow when the bowls get full. If it's doing it with the bike just sitting, the petcock is also not stopping flow from the gas tank like it should.
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May 26th, 2019, 11:14 AM | #3 |
ninjette.org member
Name: Mark
Location: Golden State
Join Date: Jun 2018 Motorcycle(s): 04EX250F Posts: 12
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Float valve was my first thought as well. However, it could be other things too. Here's a good example.
https://youtu.be/2n43ddjI7mo Work on a flat surface like table unlike the guy on the video lol. |
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May 28th, 2019, 11:46 PM | #4 |
ninjette.org member
Name: Anthony
Location: Pittsburgh
Join Date: Mar 2019 Motorcycle(s): 2008 Ninja 250, 2015 zx10r, 2010 Ducati 848 Posts: 75
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I had this same issue with fuel pouring out of the carbs after I shut it off. Turned out I simply had a vacuum line misrouted. Check and double check your vacuum diagram with your lines.
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May 30th, 2019, 04:34 PM | #5 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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yes, confirm all your hose-routing is proper. And test petcock's vacuum function, should probably get rebuild-kit and fix it. Make sure your carb's float valves seal and shut off petrol flow otherwise you may have some issues on hand...
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May 30th, 2019, 06:19 PM | #6 |
ninjette.org certified postwhore
Name: Gordon
Location: new york
Join Date: Sep 2009 Motorcycle(s): '95 DUCATI 900SS/SP '07 DUCATI SS800 '19 HONDA CBR650R Posts: A lot.
MOTM - Nov '18, Mar '17
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Carbs removed, a wet test (gravity fed source) will easily reveal source of leakage.
Setup something like this, though the thin tubes are for measuring fuel levels in each bowl. As described, yours should pour without the tubes. With carbs removed, easy access to see under over, front, back. Standard within my normal service, wet test for any leaks and fuel level checks/careful adjustments if needed.
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gordon@customcarbservices.com Custom Carb Service www.customcarbservices.com |
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