Author Topic: I Hydrolocked my connie  (Read 7207 times)

Offline Jet86

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Re: I Hydrolocked my connie
« Reply #15 on: May 13, 2011, 12:37:56 am »
It was a windy day, i didn't smell or see anything til after the fact, then i did see a small amount of gas coming from the air box but i still didn't smell it cause the gusty winds, Before i leave the house i walk around the bike looking for this sorta thing among others, every so often i move the petcock around and ride for a few miles to keep it working properly and from drying out, seen that tip from this forum or should i say the old forum, any way you put it it was still my fault for not hydro proofing the bowls or at least rebuilding the carbs but i cant do it where i live and money is hard to come by so i will just have to save up.


1986 California Connie 87k and counting

Offline norcalbarney

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Re: I Hydrolocked my connie
« Reply #16 on: May 13, 2011, 12:56:18 am »
Wait, haven't we proved the the petcock being on prime *and* a leaky float valve was the cause?  Is it ok to run a leaky float valve for a while if the vacuum on the petcock is ok?  Can't Jet86 simply change the oil and ride now? :o

I'm not implying that rebuilding the carbs is a bad thing, just wondering it's absolutely nesessary before riding it again.  I'm a cheap bastard, and I'd rather ride than work on 'em, too.

I found a single carb rebuild kit on eBay for $27.  That's about a tank of gas in CA, so if you can't afford that, you can't afford to ride anyway!  ;D Ok, Ok, rebuilding all four carbs would be $108, and it'd be silly to pull the carbs and only rebuild one.

Offline SteveJ.

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Re: I Hydrolocked my connie
« Reply #17 on: May 13, 2011, 04:56:13 am »
Wait, haven't we proved the the petcock being on prime *and* a leaky float valve was the cause?  Is it ok to run a leaky float valve for a while if the vacuum on the petcock is ok?  Can't Jet86 simply change the oil and ride now? :o

I'm not implying that rebuilding the carbs is a bad thing, just wondering it's absolutely nesessary before riding it again.  I'm a cheap bastard, and I'd rather ride than work on 'em, too.

I found a single carb rebuild kit on eBay for $27.  That's about a tank of gas in CA, so if you can't afford that, you can't afford to ride anyway!  ;D Ok, Ok, rebuilding all four carbs would be $108, and it'd be silly to pull the carbs and only rebuild one.
You can do this work yourself. Read up on MOB's carbbie article and do not take short cuts. Do install overflow tubes. Do NOT us K/L carb kits, there are issues with them, something like a float or float clip issue, and the needles are suspect, IIRC. Plus, it's K/L. (I'm assuming the ebay kits are K/L)

The issue that comes up is iff'n you're not a carb magician, identifying what's normal or what's not. Again, refer to MOB's write up. See if you're up for it.

Good Luck, signed, a happy customer.

Disclaimer: I know SiSF.
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'99 Conk: 227k mi, '98 KLR650 back from Cal
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Offline norcalbarney

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Re: I Hydrolocked my connie
« Reply #18 on: May 13, 2011, 09:20:08 am »
Disclaimer: I read a lot, understand about half, and strip bolts every time I work on my bike... :). It's prolly best that I let others answer on hydrolock articles.

I was however able to dig up some articles in Google's cache of the old forums.  Maybe this link can help locate the Man of Blues article?  When you find the correct article in google, you'll need to click on "Cached" to see the actual article.

http://www.google.com/search?hl=en&q=Site:concours.org++site:forum.concours.org+man+of+blues+carbs

Hope this helps.

Offline Jet86

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Re: I Hydrolocked my connie
« Reply #19 on: May 13, 2011, 12:23:45 pm »
If i had a garage or even a back yard i would have already fixed this issue long ago, i cant do this kind of work in my apartment and cant do it outside either, manager lives on site, i'm pretty sure i can keep on riding after i change the oil, after all i rode it home 20 miles after the lockup and it ran fine no power loss or anything, just don't put it on prime anymore and i should be ok "unless the petcock fails" my best bet is to get a clean tank or seal the one i have then send the carbies off to SiSF. i actully would feel better sending them to Steve then doing it myself, as i said though money is tight and will have to save a bit.


1986 California Connie 87k and counting

Offline Lodogg2221

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Re: I Hydrolocked my connie
« Reply #20 on: May 13, 2011, 01:10:37 pm »
Hook up a tube to all the drains, and flush it. 
Might just get the crud keeping the float open to flush through and out the drain.

If you have a friend with a garage, you probably could do it yourself, but I thought so too, and it worked ok for me, but I should have sent them to Steve anyway, since he had them a week or so later because I was having other issues.

Ill say this, for those wanting to do the overflows themselves, AFTER I did mine, I found a MUCH better solution (it seems) than the JB Weld everyone was using, and better than the stuff I used (KBS coating) which seems ok, but not sure how long it will last.
Loc-Tite 660 Press Fit repair.  From their literature:
LOCTITE® 660 is designed for the bonding of cylindrical fitting
parts, particularly where bond gaps can approach 0.50 mm
(0.02 in.).

From what I found, their testing resulted in no degradation of strength from inital to 1000hrs in:
Motor Oil
Unleaded Gasoline
Brake Fluid
Water/Glycol 50/50
Ethanol
Acetone

Thats fairly impressive, and should I ever have an issue, Ill be using that to reinstall the tubes. I dont feel real comfortable long term with my solution, but it will probably be fine. 

FWIW, if you use a drill press, the correct size bit, and the correct size tube, it will be a very close fit anyway, but hand drilling can make matter much worse than this stuff can fix.
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Offline Jet86

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Re: I Hydrolocked my connie
« Reply #21 on: May 14, 2011, 11:26:16 pm »
yeah I'm gonna drain all 4 bowls and flush them tomorrow, today i changed the oil and filter - pulled the tank - plugs and did the Hydro Test, 2-3 was Even Stevens, 1-4 my eyes could be playing tricks on me but #4 was just a hair low, i measured them all multiple times but on 1-4 #4 kept coming up just a hair short, i don't know how a shop would do this but they might even have a hard time finding the true measurement. I have no other data to go on so it could have been like this for years for all i know, if my eyes wasn't playing tricks on me its so small of a hair i don't think its gonna hurt anything. i went for a 25 mile ride and it runs great, but still after she warms up then i try to start her after 15min she cranks for a bit then backfires and vroom ready to go, im guessing the float is still stuck and the heat expands the gas in carbs and maybe a drop or two gets into the cylinder? i don't know i'm guessing here. no backfires in the morning just your average cold blooded connie.


1986 California Connie 87k and counting

Offline Lodogg2221

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Re: I Hydrolocked my connie
« Reply #22 on: May 15, 2011, 07:34:20 am »
You know, mine was like that too.  #4 looked like it was shorter than #1.  Not much at all, but it was there.  I wonder if the valve cover wasnt quite level, as a compression test showed VERY little variation between all cylinders. 
Mines not been hydrolocked, at least not by me anyway, and usually its #1 that takes the hit because of the sidestand, which is how mine sat most of its life according to the PO.
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Offline MAN OF BLUES

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Re: I Hydrolocked my connie
« Reply #23 on: May 15, 2011, 12:11:22 pm »
You can do this work yourself. Read up on MOB's carbbie article and do not take short cuts. Do install overflow tubes. Do NOT us K/L carb kits, there are issues with them, something like a float or float clip issue, and the needles are suspect, IIRC. Plus, it's K/L. (I'm assuming the ebay kits are K/L)

The issue that comes up is iff'n you're not a carb magician, identifying what's normal or what's not. Again, refer to MOB's write up. See if you're up for it.

Good Luck, signed, a happy customer.

Disclaimer: I know SiSF.

I have no problem with the K&L carb kits, used a bunch of them, Steve has issues with the float needle clip spring, but I addressed this and we both agree if you "tweak it" to insure it isn't too tight on the float tang, it's fine...he prefers not to use that clip, and to each his own.
 ;) 8)

mdr,
you fogot to add something into all the facts and calculations you noted.....
expansion rate of gasoline, contained in a sealed (the pressure relief is not set to atmospheric pressure...it's higher by far) and the temperature at the time the tank is subject to....you may be surprised to see 5 psi on that fuel line, on a hot day, after turning the bike off after a moderate ride.
I see Bubba is coming around to my thinking on the seating pressures and such....thank you Steve, we have to believe with all the leaks we see, it is relevent. ;)

30 YEARS OF KAW.....