June 17th, 2018, 12:59 AM | #1 |
ninjette.org member
Name: Mark
Location: La crosse
Join Date: Jun 2018 Motorcycle(s): 06 ninja 250r, 82 yamaha xj750 Posts: 37
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New member, new problem
Hey, decided to join the site because I come here for all my 06 250r repairs. So after cleaning the carbs and putting them back on as well as changing spark plugs and throwing in some fuel additive with the unleaded gas I put in, my ninja turns on and shoots up to 10-11 rpm, warmed up with choke fully engaged is still 7-8 rpm... idle adjustment knob is also broken off(was still able to turn the cable but had no effect on idle) I am at a loss and am perfectly capable of repairs but I don’t know what the problem is
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June 17th, 2018, 02:33 AM | #2 |
Certified Troublemaker
Name: Teri
Location: Hamilton, NJ
Join Date: Oct 2012 Motorcycle(s): 2006 Ninja 250r "Pikachu", 2017 Ninja 650 "Epona" Posts: A lot.
MOTM - Aug '13, Aug '14, Feb '17
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$wim! Glad you found us...
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Raven's Rejuvenation A bruise is a lesson... and each lesson makes us better... |
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June 17th, 2018, 04:40 AM | #3 |
ninjette.org member
Name: Trev
Location: Australia
Join Date: May 2018 Motorcycle(s): GPX250 Posts: 36
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G'day mate. I'd be looking for vacuum leaks first and if all's good I'd be pulling the carbs again and checking them over.
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June 17th, 2018, 04:58 AM | #4 |
Certifiable nontundrum
Name: Harper
Location: NC Milkshake stand
Join Date: Mar 2013 Motorcycle(s): 2013 SE NINJA 300 Posts: Too much.
MOTM - Sep '13, Sep '16
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June 17th, 2018, 05:57 AM | #5 |
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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Hi $wim, it's good to meet you. Being able to set the idle speed will be necessary at some point, even it not now, so you should get that adjustment working and go from there.
I don't know if this applies to the 250 carbs, but with some motorcycles I have, it's possible to get the slides in the wrong way, and in that case the RPM runs away like you're describing. I'm just guessing though. An air leak between a carb and cylinder head, as mentioned above, could also do this. A hung up throttle cable or linkage is another possible cause. |
1 out of 1 members found this post helpful. |
June 17th, 2018, 06:04 AM | #6 |
ninjette.org member
Name: Tim
Location: Inland, NE
Join Date: Apr 2018 Motorcycle(s): 2007 Ninja 250 Posts: 48
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Welcome!
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June 17th, 2018, 06:27 AM | #7 |
ninjette.org certified postwhore
Name: Rick
Location: Alexandria, Louisiana
Join Date: Jan 2009 Motorcycle(s): 05 Blue Ninja 250 Posts: Too much.
MOTY - 2017, MOTM - Jan '19, Oct '16, May '14
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Hello and welcome!
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June 17th, 2018, 07:14 AM | #8 |
The Corner Whisperer
Name: Chris (aka Reactor)
Location: Northern KY
Join Date: May 2011 Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track) Posts: Too much.
MOTY 2015, MOTM - Nov '12, Nov '13
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Welcome!
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June 17th, 2018, 08:56 AM | #9 |
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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Hi and welcome!
You'll need to fix that idle-adjustment cable. Meanwhile, you can set it by twisting inner wire of cable with needle-nose pliers. Or you can reach in from right side and twist throttle-stop screw end of that inner wire. You'll want to unscrew it or turn anti-clockwise. |
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June 17th, 2018, 07:46 PM | #10 |
ninjette.org member
Name: Mark
Location: La crosse
Join Date: Jun 2018 Motorcycle(s): 06 ninja 250r, 82 yamaha xj750 Posts: 37
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THanks for all the help, it was actually a simple vacuum leak from the engine to the carbs. I felt so stupid once I found it, was barely tightened
Last futzed with by $wim; June 17th, 2018 at 09:31 PM. |
1 out of 1 members found this post helpful. |
June 17th, 2018, 08:24 PM | #11 |
Certifiable nontundrum
Name: Harper
Location: NC Milkshake stand
Join Date: Mar 2013 Motorcycle(s): 2013 SE NINJA 300 Posts: Too much.
MOTM - Sep '13, Sep '16
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That's a win... Congrats
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June 18th, 2018, 01:18 AM | #12 |
ninjette.org member
Name: Trev
Location: Australia
Join Date: May 2018 Motorcycle(s): GPX250 Posts: 36
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Good stuff.
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Never stick your fingers where you wouldn't stick your pecker... |
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June 18th, 2018, 03:07 PM | #13 |
ninjette.org member
Name: Danno
Location: Kansas City
Join Date: Mar 2018 Motorcycle(s): 2014 Ninja 300, 2009 Versys Posts: 32
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Welcome!
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June 18th, 2018, 03:37 PM | #14 |
sammich maker
Name: snot
Location: West Ohio - in the kitchen
Join Date: Feb 2012 Motorcycle(s): 2013 white 300, 09 KLX 250 SF, 09 thunder blue 250(traded) Posts: A lot.
MOTM - Apr '15
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Welcome
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