carbs with minds of their own - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 3 (permalink) Old 06-30-2012, 12:32 PM Thread Starter
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carbs with minds of their own

my 750 runs but when you set idle at 1100, it will stay there about 30 seconds then climb to round 4000. then you have to readjust but it will do it again. bike is stock .
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post #2 of 3 (permalink) Old 06-30-2012, 01:13 PM
..have a vulcan good day!
 
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Obviously this happens with the engine warm/choke off. Definitely an _Air/Fuel_ issue if it always stays smooth...(as in not running on one cylinder spadically). I might suggest checking the air intake system...maybe a carb boot not sealed....or even a possible vacuum leak ?
Others on the forum are able to assist you better than I.
hope this helps
WilliamTech

'86 VN750 13,700 mi -Stock
-Purchased 2008 w/8800mi
Replaced ALL Cables . Kuryakyn LED Voltmeter
SilverStar Ultra 9003/HB2 H4 Headlamp, Jardine Fwd Controls,
Iridiums DPR7EIX-9 & Wires, Tuxedo Mod, Coil Mod, P/U Sensor Mod, Fork Seals,
Splines Lubed - 11/4/2012 - MF AGM Battery
Additional Flashing LED Brake Light on Trunk
Dampers went out @ 13+K !
After TOC MCCT's..... so amazingly quiet I discovered a rattling heat shield on my stock exhaust !
...have a vulcan good day!
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post #3 of 3 (permalink) Old 06-30-2012, 01:18 PM
..have a vulcan good day!
 
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........Stole this from Swagman:
Also, Try your air mix screw sounds like it could be a little on the lean side, try 2 1/2 turns out to begin with and work from there, hope this helps.

'86 VN750 13,700 mi -Stock
-Purchased 2008 w/8800mi
Replaced ALL Cables . Kuryakyn LED Voltmeter
SilverStar Ultra 9003/HB2 H4 Headlamp, Jardine Fwd Controls,
Iridiums DPR7EIX-9 & Wires, Tuxedo Mod, Coil Mod, P/U Sensor Mod, Fork Seals,
Splines Lubed - 11/4/2012 - MF AGM Battery
Additional Flashing LED Brake Light on Trunk
Dampers went out @ 13+K !
After TOC MCCT's..... so amazingly quiet I discovered a rattling heat shield on my stock exhaust !
...have a vulcan good day!
WilliamTech is offline  
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