August 20th, 2010, 06:15 AM | #1 |
ninjette.org sage
Name: Tin
Location: NJ
Join Date: Apr 2009 Motorcycle(s): 08 black 250r (sold); '09 black zx6r Posts: 903
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she hesitates at 9k rpm
I've noticed that my bike hesitates everytime I reach 9k rpm. Keeps surging from 9-10k. As soon as I pass 10k she's back to normal.
Any ideas? |
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August 20th, 2010, 07:11 AM | #2 |
ninjette.org certified postwhore
Name: Spooph
Location: Golden, CO
Join Date: Jul 2010 Motorcycle(s): '08 Ninja 250R Posts: A lot.
MOTM - Oct '15
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how did this develop? Was it after you modified the "air system", intake/exhaust? Did you shim the carbs? Or did it just start happening out of the blue?
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August 20th, 2010, 09:58 AM | #3 |
ninjette.org sage
Name: Tin
Location: NJ
Join Date: Apr 2009 Motorcycle(s): 08 black 250r (sold); '09 black zx6r Posts: 903
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I have an 09 zx6r. The only mod I have on the bike is a slip-on. I didn't really go pass 8k on my stock exhaust so I'm not sure if the slip-on is causing the surging.
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August 20th, 2010, 12:18 PM | #4 |
Professional belly dancer
Name: James
Location: Toronto
Join Date: Apr 2009 Motorcycle(s): 1992 GSX-R 750 Posts: A lot.
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Wait a sec....is this hesitation on your 250 or your zx-6r?
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August 20th, 2010, 12:53 PM | #5 |
ninjette.org guru
Name: David
Location: Burlington, MA
Join Date: Mar 2010 Motorcycle(s): 2004 Ninja 250 (sold); 2008 Plasma Blue Ninja 250 Posts: 364
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I would guess the zx-6r since he sold the 250 to upgrade.
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August 20th, 2010, 05:48 PM | #6 |
Professional belly dancer
Name: James
Location: Toronto
Join Date: Apr 2009 Motorcycle(s): 1992 GSX-R 750 Posts: A lot.
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lol good point....
That's fuel injected related insanity then. It could be anything from a faulty sensor to a lean running condition due to your mod. Best to take it into someone who knows what to look for. I <3 carbs btw |
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August 20th, 2010, 07:12 PM | #7 | |
ninjette.org certified postwhore
Name: Spooph
Location: Golden, CO
Join Date: Jul 2010 Motorcycle(s): '08 Ninja 250R Posts: A lot.
MOTM - Oct '15
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Quote:
Oh yea, and good luck getting it fixed!
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August 23rd, 2010, 04:10 PM | #8 |
ex-ninjette.org guru :o
Name: Trevor
Location: Barrie, Ontario
Join Date: Jun 2010 Motorcycle(s): 2003 SV1000 S Posts: 475
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I'm having a similar problem with my '10 250. it doesn't happen all the time, just sometimes when you roll on the throttle there's a little hesitation around 9 grand. The bike is factory as far as intake and exhaust go, and I haven't shimmed the needles (altho I want to). I just did it's 5k oil change and switched it over to full synthetic hoping that would remedy the problem, but it's still doing it.
any thoughts? |
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August 23rd, 2010, 05:39 PM | #9 |
I hate driving...
Name: S
Location: SW Ohio
Join Date: Jul 2010 Motorcycle(s): 13 Triumph Street Triple R, 09 Ninja 250r (Sold 4/20/12) Posts: A lot.
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I think I might have been experiencing that as well at those revs, though my bike stopped doing it for now. Though in my case it seems like a dip in power at that point and I am simply holding the throttle at half or WOT. So...any ideas on that
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