My bike needs a therapist, cause it has issues - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Carbs and Fuel System
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post #1 of 6 (permalink) Old 08-31-2007, 08:48 PM Thread Starter
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My bike needs a therapist, cause it has issues

Hey guys...i don't post here often but i do alot of reading and there is great information to be looked through on this site. I am having some problems that i could use some experienced advise on. I have a 2000 750 that i have degoated and marbled. The problem is now with the carbs (i think)...for the most part it's idling at around 1000 rpms but when you give it some throttle it sputters for a bit then roars up to speed...so while i'm riding it'll die trying to get started moving in first gear.

Also, i have gas leaking out of the exhaust on the front cylinder when the bike is running (i need new gaskets cause the ones i have aren't seated properly and the front one is leaking) I think that would mean that it's flooding or really rich and not all the vapor is burning...but could a dirty carb not be mixing the air and fuel and sending liquid gas into the cylinder and instead of burning it's just going through the exhaust?

And finally, there's a clattering coming from something internal. I've felt all around the outside and didn't find anything lose and a friend mentioned that it might be some kind of piston clatter or something. Said i might be having to rebuild that cylinder sometime.
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post #2 of 6 (permalink) Old 08-31-2007, 08:59 PM
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https://www.vn750.com/forum/showthread.php?t=4848

Hi - Check out this thread from about a month ago. I think the issue was a stuck float bowl, dumping gas into the carbs (and out). That could definitely be causing your bike to croak when trying to get going - bad fuel/air mix 'cause it's mostly fuel.

What does the clattering sound like? Spray paint can or thunky?

C
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post #3 of 6 (permalink) Old 08-31-2007, 09:05 PM
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Quote:
Originally Posted by Crobins365 View Post
I think the issue was a stuck float bowl
Thats what it sounds like to me. Easy fix. If thats what it is

Steve from Pittsburgh
2005 vn750
modified knifemaker driver boards
chrome levers, Shaved saddle
Ape manual CCT's, nylon saddle bags
engine mount covers, plexIII windshield
crash bar w/floor boards, air hawk pad
ear mod, rad cover/,w/ss mesh
chrome cable and wire covers
chrome anti-freeze cover
RR relocation,MF battery,drilled out
idle plugs,marbled
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post #4 of 6 (permalink) Old 08-31-2007, 09:27 PM Thread Starter
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paint can clatter. high pitched isn't really constant...more intermittent, and is only there at idle
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post #5 of 6 (permalink) Old 09-01-2007, 10:48 AM
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Quote:
Originally Posted by jhuntsman View Post
paint can clatter. high pitched isn't really constant...more intermittent, and is only there at idle
Sounds like your springs in your automatic cam chain tensioner (ACCT) just need to be grambo'd (search on "grambo" and you'll find the technique) or replaced (TOC Manufacturing makes replacement springs - $20/pair. Just requires a little dexterity and a choice vocabulary). I'd start with the the Grambo (since it's free) and see if that doesn't solve the problem, if even temporarily.

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post #6 of 6 (permalink) Old 09-01-2007, 03:48 PM Thread Starter
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thanks to all you guys...the help is greatly appreciated
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