New to forum, help with jetting. - Page 2 - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Carbs and Fuel System
From the gas tank to the carbs
All fuel system discussion

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post #11 of 26 (permalink) Old 04-24-2017, 11:20 AM
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all that kinda stuff used to happen on my bike until I pulled, cleaned, and rejetted the carbs to 42 pilots/142 mains
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post #12 of 26 (permalink) Old 04-24-2017, 12:01 PM
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I would get the air filters installed before trying too much carb work. The carbs don't work well with wide open intakes or the wrong pod filters installed.

There's evidence of sticky valves being somewhat common on this engine. Mine had an occasional left carb sneeze on warmup. With the sneeze came a single tap or click from the top end. I ran seafoam in the oil 300mi before oil change to try and clean the valve stems, after that, the sneeze has been gone. Being lean can also cause carb sneeze on acceleration, but the tick led me to think it was a sticky intake valve. It could sneeze just idling with the choke on, or as I rode in 2nd or 3rd gear before the engine warmed up.

Just getting it out and riding may be enough to loosen up the valve stems and stop the sneezing. Try to listen for a tap when you're seeing/hearing the pop/blue flame.

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post #13 of 26 (permalink) Old 04-29-2017, 10:33 AM Thread Starter
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Welp, I got the filters and all is installed good and tight, went ahead and purchased a motion pro carb tune tool, set the mixture screws 1.5 turns out, warmed it up and went ahead with the carb sync, as I'm tuning her up I get it just right and the fan kicks on, then the motor slowly dies, I thought it was from the fan blowing hot air into the air boxes, Nope! The right exhaust is just dripping fuel like no other, so Im assuming the float got stuck. Either way I've been chasing gremlins on this bike ever since I got it, keeps me sane, I think.
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post #14 of 26 (permalink) Old 04-29-2017, 10:54 AM
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Does sound like a stuck float, tapping on the carb bowl can usually unstick them if it's not due to trash.

If the bike still has the goat belly, the exhaust mixes there, so right muffler may not mean right cylinder.

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post #15 of 26 (permalink) Old 04-29-2017, 11:11 AM Thread Starter
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Does sound like a stuck float, tapping on the carb bowl can usually unstick them if it's not due to trash.

If the bike still has the goat belly, the exhaust mixes there, so right muffler may not mean right cylinder.
Nope, I bought the bike with Vance and Hines Cruzers already installed. Good point though
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post #16 of 26 (permalink) Old 04-29-2017, 11:37 AM
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I've been chasing gremlins on this bike ever since I got it.

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post #17 of 26 (permalink) Old 05-03-2017, 10:15 PM Thread Starter
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Got everything together, filters on, adjusted the floats while the carbs were off, did a single fuel hose to a T fitting with an in line fuel filter. Was a bit hesitant to start but once she did she idled nicely and I could hear the front cylinder firing. Got her warm, cut her off and tried to restart and nothing but gunshots lol. The front cylinder likes to go bang a lot.
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post #18 of 26 (permalink) Old 05-04-2017, 09:30 AM
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Quote:
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I've been chasing gremlins on this bike ever since I got it, keeps me sane, I think.
the "sanity" on this forum is a different breed of sanity...
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post #19 of 26 (permalink) Old 05-04-2017, 09:47 AM
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the "sanity" on this forum is a different breed of sanity...
Quote:
Originally Posted by ubertalldude View Post
the "sanity" on this forum is a different breed of sanity...
it puts the lotion in the basket or else it gets the hose again.hahahahahahaha the fox will be surprised

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post #20 of 26 (permalink) Old 05-04-2017, 09:48 AM
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Quote:
Originally Posted by TalkinVulcan View Post
Got everything together, filters on, adjusted the floats while the carbs were off, did a single fuel hose to a T fitting with an in line fuel filter. Was a bit hesitant to start but once she did she idled nicely and I could hear the front cylinder firing. Got her warm, cut her off and tried to restart and nothing but gunshots lol. The front cylinder likes to go bang a lot.
do you have an agm battery?

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lowered with progessive 412 10" shocks
rejetted for K/N Pods part#rc 2340
sportster seat

'I didn't lose my mind.i gave it away

BRING BACK WOLFIE."Peace and Carrots"RIP
"And I'm free...as a bird"John Lennon Free as a Bird
"I only carry when I have my pants on"Joe Robinson RIP aka Old Dog
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