February 23rd, 2010, 05:53 PM | #1 |
ninjette.org newbie
Name: Darren
Location: Champaign, IL
Join Date: Feb 2010 Motorcycle(s): 02 SV650 07 Ninja 250 Posts: 5
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Have a lean issue with my bike, issue with coasting enricher.
Okay so i have been chasing a stumble after a rev or rocking the bike forwards and back. When I spray carb cleaner at the Coasting enricher the idle raises. Ive pinpointed it to the big top tube on the valve. What does this hose do? When I pinch it at about 2 inches back it raises the idle. Is this because im fixing a vacuum leak or because I am disabling the coasting valve?
Thanks for taking the time to read this! Darren |
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February 23rd, 2010, 06:01 PM | #2 |
ninjette.org certified postwhore
Name: Craig
Location: Silicon Valley, CA USA
Join Date: May 2009 Motorcycle(s): '98 EX250, '02 EX250, '08 250r, '03 SV650, '98 GSXR750 '03 Hayabusa, '87 YSR50, '84 ZX900, +MORE Posts: A lot.
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You've got a vacuum leak in the coasting enricher. The diaphragm is probably torn. For now you can just plug the hose to stop the vacuum leak. The bike just might pop a little on deceleration.
Here is info. on the coasting enricher: http://faq.ninja250.org/wiki/How_a_c...a_Closed_Mouth
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CraigHarris.org Pacific Track Time CraigsWeb See you at 2014 MotoGP Laguna Seca! We'll be camping on Fox Hill. AFM #278 |
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February 23rd, 2010, 06:04 PM | #3 |
ninjette.org newbie
Name: Darren
Location: Champaign, IL
Join Date: Feb 2010 Motorcycle(s): 02 SV650 07 Ninja 250 Posts: 5
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ive removed the diaphragm and it looked good. What does the big hose on top do, do you know?
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February 23rd, 2010, 06:14 PM | #4 |
ninjette.org certified postwhore
Name: Craig
Location: Silicon Valley, CA USA
Join Date: May 2009 Motorcycle(s): '98 EX250, '02 EX250, '08 250r, '03 SV650, '98 GSXR750 '03 Hayabusa, '87 YSR50, '84 ZX900, +MORE Posts: A lot.
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The big hose is a vacuum line. The level of vacuum tells the enricher if the bike is coasting or not. The vacuum leak is why your bike isn't idling properly.
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CraigHarris.org Pacific Track Time CraigsWeb See you at 2014 MotoGP Laguna Seca! We'll be camping on Fox Hill. AFM #278 |
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February 23rd, 2010, 06:40 PM | #5 |
ninjette.org newbie
Name: Darren
Location: Champaign, IL
Join Date: Feb 2010 Motorcycle(s): 02 SV650 07 Ninja 250 Posts: 5
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so what can leak in that part. The little o ring couldnt be the culprit right? It would have to be the diaphragm?
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February 23rd, 2010, 06:55 PM | #6 |
ninjette.org certified postwhore
Name: Craig
Location: Silicon Valley, CA USA
Join Date: May 2009 Motorcycle(s): '98 EX250, '02 EX250, '08 250r, '03 SV650, '98 GSXR750 '03 Hayabusa, '87 YSR50, '84 ZX900, +MORE Posts: A lot.
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Not much to leak but the diaphragm. Or the housing is cracked or not sealing to the diaphragm. Or the hose just isn't on tight.
__________________________________________________
CraigHarris.org Pacific Track Time CraigsWeb See you at 2014 MotoGP Laguna Seca! We'll be camping on Fox Hill. AFM #278 |
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February 23rd, 2010, 06:57 PM | #7 |
ninjette.org newbie
Name: Darren
Location: Champaign, IL
Join Date: Feb 2010 Motorcycle(s): 02 SV650 07 Ninja 250 Posts: 5
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okay i will stop bothering you now, I will take the tank off tomorrow and start inspecting. Thanks for the advise!!
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February 24th, 2010, 06:54 PM | #8 |
ninjette.org newbie
Name: Darren
Location: Champaign, IL
Join Date: Feb 2010 Motorcycle(s): 02 SV650 07 Ninja 250 Posts: 5
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okay so i was messing with it tonight. when i plug the line it runs good for a sec then starts to bog down. if i take both rhat line andthe manifold line that goes to it and plug them off they do the same thing asbefore. any ideas?
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