Problem Found - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Carbs and Fuel System
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post #1 of 3 (permalink) Old 07-04-2012, 11:12 AM Thread Starter
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Problem Found

I have only had my 2005 for about 5 weeks. It has been running sluggish, not crisp like it should. I though maybe I would adjust the mix screws so I did. No change. I was getting ready for a ride and was wiping my front tire down and saw a crack in the sidewall. Ride was cancelled. While I was sitting there moping about missing the ride, I decided to give the bike a little love. I cranked it up and let it sit there and idle and tried to figure out what could cause it to run sluggish. My thoughts were maybe dirty carbs. I started moving things around and looked in at the rear head and saw the carb mount boot didn't have any clamps on it. I heard air sucking and couldn't figure out where. I moved the carb a little and the air leak changed pitch. No wonder it has been running rough. I would like to have a chat with the previous mechanic, and did he just throw away the clamps or what the heck. It's hard to get to, but you can't half a** this stuff and expect it to work. I cleaned the carbs while I had them off, not to bad inside, a little crusty. So now they are fresh and I am about ready to put them back on with some clamps on the intake boot. I bet it runs better.
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post #2 of 3 (permalink) Old 07-04-2012, 11:17 AM
..have a vulcan good day!
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Good catch - well done... and ride safely on your new front tire !

'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 07-04-2012, 11:59 AM
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while u got it out look at c-clips on both sides i had air sucking in there on mine it can be fixed with o-ring
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