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April 28th, 2017, 03:42 PM
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#1 |
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ninjette.org member
Name: skip
Location: So cal
Join Date: Jan 2012 Motorcycle(s): 2009 250r Posts: 126
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revs lag coming back down
Anyone know why and no air leak and carb is clean set to 2.5 turns
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April 28th, 2017, 04:46 PM
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#2 | |
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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
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Quote:
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April 28th, 2017, 05:13 PM
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#3 |
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ninjette.org member
Name: skip
Location: So cal
Join Date: Jan 2012 Motorcycle(s): 2009 250r Posts: 126
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Oh my boy it's true
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April 28th, 2017, 06:56 PM
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#4 |
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ninjette.org member
Name: RJ
Location: PA
Join Date: Dec 2015 Motorcycle(s): 2008 Ninja 250 Posts: 210
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Then you wouldn't have rev lag....but you do....
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April 28th, 2017, 07:30 PM
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#5 |
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ninjette.org member
Name: skip
Location: So cal
Join Date: Jan 2012 Motorcycle(s): 2009 250r Posts: 126
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Quick lesson in mechanics 101 ::: out of sync carbs, valve adjustment off, throttle cable lube and adjustment, lean lean ohh so mean free of charge
  
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April 29th, 2017, 02:10 AM
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#6 |
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ninjette.org member
Name: RJ
Location: PA
Join Date: Dec 2015 Motorcycle(s): 2008 Ninja 250 Posts: 210
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A lesson is supposed to teach something? You just named a bunch of potential solutions to your problem.
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April 29th, 2017, 03:33 AM
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#7 |
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ninjette.org member
Name: skip
Location: So cal
Join Date: Jan 2012 Motorcycle(s): 2009 250r Posts: 126
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Lesson learned .
 
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April 29th, 2017, 04:08 AM
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#8 |
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ninjette.org guru
Name: Chris
Location: Bristol, UK
Join Date: Feb 2016 Motorcycle(s): ZZR250, VFR800 Posts: 478
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I had a second hand bike that did that. Turned out that the previous owner had fitted on carb needle above the holder so the needle took a while to settle back as it was inside the spring !!! But either way you have excess fuel or air.
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April 29th, 2017, 11:30 AM
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#9 |
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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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^ surprised it even started
Another issue, leaking decel valve vac hoses....either at the valve (upper) or between the carbs (lower) If original, sometimes harden, swell and leak vac when hot. If they are simply present...most folks check them off as "ok". I've found otherwise....what I describe is fairly common. Try and pull them off the valve...that'll quickly, easily reveal whether loose. My personal preference.....I want any/all vac hoses to be *tight*.....no leaky.
__________________________________________________
gordon@customcarbservices.com Custom Carb Service www.customcarbservices.com |
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