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Carbs and Fuel System
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Thread: Still having problems stalling out. Reply to Thread
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  Topic Review (Newest First)
12-20-2011 02:09 AM
samshen I'm gonna go with a faulty petcock, but then, I don't have to rebuild it! Here's my theory: At idle there is less vacuum to actuate the leaky petcock and the carb bowls aren't filling causing a lean condition. Once you give it some throttle, the bowls start filling again.
11-07-2011 03:41 PM
MaDeInSin Will do and thanks!
11-04-2011 09:50 AM
flitecontrol Make sure you get the little projections on the internal plate aligned properly. If you don't, it will leak like a sieve.
11-04-2011 08:04 AM
MaDeInSin Funny you say that cause just ordered a petcock rebuild kit... I figured no matter what I dont want a petcock that leaks when I change it from off/on/reservere so why not rebuild it. Thanks for heads up and advise.

Thanks

Jay
11-04-2011 02:02 AM
Kelly2001 Still think it's the petcock, but I hope you got it with the switch
11-03-2011 11:53 PM
MaDeInSin Hey All-

I ordered those filters today... Seems to be a no brainer for 2.99 a piece...

So far I do believe I managed to fix my problem with your help. My kickstand switch was sticking... I sprayed wd 40 on it and work it in and out and so far I've not had the problem again.. I will say I couldnt repeat the issue by pushing on the switch... But so far no reoccuring issues...

Thank You guys. Much appreciated!!

I'll let you know if it comes back and if it was the final fix.

Next on the agenda.. lube the splines..

Thanks Again!

Jay
11-03-2011 03:17 PM
Kelly2001 I'm gonna go with a faulty petcock, but then, I don't have to rebuild it! Here's my theory: At idle there is less vacuum to actuate the leaky petcock and the carb bowls aren't filling causing a lean condition. Once you give it some throttle, the bowls start filling again.
11-03-2011 12:21 AM
OldHipWesTex
Quote:
Here's a pic of a typical fuel filter: http://www.amazon.com/Visu-Filter-In...068296&sr=1-14 Many auto parts stores carry them
Yeppers got those on mine,,small, and nice to have them.
11-02-2011 11:45 PM
flitecontrol The only stock "filter" is the internal screen on the petcock feed tubes. Inline fuel filters are a good idea IMO, and I had two (one on each fuel line) on my bike, but there is very little room for them. After I removed the failing Kreem liner and rust from the tank, and rebuilt the petcock, I removed them and haven't had any problems.

Here's a pic of a typical fuel filter:http://www.amazon.com/Visu-Filter-In...068296&sr=1-14 Many auto parts stores carry them.
11-02-2011 11:40 PM
ZCraggRatt I lean to electrical, so here is another point of attack.
I think I would make sure all my safety switches were clean and in good condition, particularly, the kickstand and transmission neutral switches.
If you want to test whether a dirty safety switch is giving you grief, temporarily ground pin 12 (blue wire on my '91) of the 10 pin connector on the jb. Grounding this point on the jb bypasses the safety switches for the ignition. I would rule this possibility out before disassembly of the tank and petcock.
I am a firm believer in the safety switches that are for the riders benefit on the VN750. If you find that the problem goes away when pin 12 is jumped to ground, do not be satisfied running it that way. I recommend servicing the defective switch asap, and removing the grounding jumper.

Good hunting ...
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