TIME TO SELL !!!!!!!!!! - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Carbs and Fuel System
From the gas tank to the carbs
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post #1 of 10 (permalink) Old 03-30-2015, 10:56 AM Thread Starter
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TIME TO SELL !!!!!!!!!!

We replaced the float needles in the carbs, the petcock is new, now the bike bike is spewing out gas from the front cylinder pipe, I believe this bike is beyond repair, but thank you everybody for your help.
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post #2 of 10 (permalink) Old 03-30-2015, 11:17 AM
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Or beyond your capabilities to fix?

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post #3 of 10 (permalink) Old 03-30-2015, 11:19 AM
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did u only replace the needles? sounds like u have a ripped diaphram in the carb letting to much fuel into the motor or the float itself need adjusted did u turn the mix screws all the way in and back them out 2 1/2 turns?
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post #4 of 10 (permalink) Old 03-30-2015, 11:28 AM
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Quote:
Originally Posted by rkama354 View Post
We replaced the float needles in the carbs, the petcock is new, now the bike bike is spewing out gas from the front cylinder pipe, I believe this bike is beyond repair, but thank you everybody for your help.
Where you at and how. Much you want for it . I'm pretty sure someone will help you out.




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post #5 of 10 (permalink) Old 03-30-2015, 11:35 AM
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Longshot but ... Check the vacuum hose that runs from the petcock to the front carb, see if there's gas in that line. Should not be any, it should be dry. Gas there will indicate a defective petcock.

Float leaking and filling up with gas? (causes the float to sink)

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post #6 of 10 (permalink) Old 03-30-2015, 11:57 AM Thread Starter
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I did check the vacuum line it is dry
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post #7 of 10 (permalink) Old 03-30-2015, 12:08 PM
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Almost has to be the float in one way or another. Float level too high, stuck in the down position, or sinking (full of gas). The needle valve may not be sealing, or it's sticking in the open position.

The first thing I try with this condition, is gentle tapping on the side of the carb bowl. But since this was recently serviced, I suspect one of the other problems.

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post #8 of 10 (permalink) Old 03-30-2015, 01:40 PM
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If you replaced the needle valves and not the seat, could be a crappy seat.

Carb is obviously overfilling with fuel...

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post #9 of 10 (permalink) Old 03-30-2015, 02:24 PM
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If it's coming out the carb it's the float. had one stick on me racing a guy and it gushed out the air intake onto my left leg. Though it was going to explode.

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post #10 of 10 (permalink) Old 03-30-2015, 07:08 PM
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Quote:
Originally Posted by Knifemaker View Post
If you replaced the needle valves and not the seat, could be a crappy seat.

Carb is obviously overfilling with fuel...
As seldom as this happens this is one I agree with km on! Mark it down ,mI think that makes twice in less than a year,,, back to the problem a scratch on the seat or the least bit of gunk in the seat will absolutely cause this. I fought one for days only to find a scratch about the size of a human hair in one of the seats.

You didn't by any chance try to clean the seat with a tool capable of scratching it did you?




If you see it on my bike I did it
VROC#30324
92 vn750(sold)
Current ride 05 1500 Classic FI
lovin' the new scoot



Quote:
"When all is said and done,usually more is said than done" UNK
Click on one x and drag to the other to read between them.

Psalm 40:1...
XI waited patiently for the Lord; and he turned unto me, and heard my cry. X
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