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81 Rebuild guy- Got new battery. Thought i would just try and see if she would start. To no avail- She wants to turn over but the starbard side carbs are shooting gas into the air filter box and gas is running all over. It may also be leaking from exhaust but i cannot say for sure. I am waiting on a new air filter from another member but i do not think that is the problem. Any ideas why the starbard side carbs would be dumping gas like this? Maybe i am just best off to pull the carbs but i would like to hear it run before i tear into it. Any help appreciated. Thanks

jeff
 

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oh, also forgot to mention that i am using an external tank not the tank on the bike. Have to seal it before i trust it.
 

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It would appear that you have a couple of carbs with faulty float valves. Be careful with leakers they can dump enough fuel into the cylinder to hydrolock it. Best bet would be to pull the carbs and check them out.

BTW - I just thought I ought to mention that an 1100 Standard is a great bike to ride. I had one but fool that I was I sold it.
 

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i was suspcting floats, either a stuck one or a needle valve. I guess i will just go ahead and tear in without getting it running. I need to quit being a big kid and wanting to hear it run! :)Any other ideas on what to look for as i tear into them. I will probably find a whole wad of stuff to deal with i am sure.
 

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Be careful with the floats they dent easy. If you have time on your side try looking into ultrasonic cleaning locally. It is money well spent.
 

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i am going ahead with the carb rebuild anyway but i did notice what appears to be a small vacum tube had fallen off the guilty carb. It looks like it goes to a valve towards the back of the engine. Could this be causing the vomiting of gas into the plenum? And what is this valve and should it be replaced with 45K miles?
 

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I believe the hose is for your vacuum advance, which changes ignition timing as you throttle up. It wouldn't cause your gas problem, you need to rebuild. There are some great resources on here and a few other places that go into great detail on properly setting float height, which is critical on these. You must do a very thorough job of cleaning also, there are no shortcuts. Do it once the right way.

http://www.ngwclub.com/forum/viewtopic.php?t=12168&sid=eb7e1711980fe56afedef25a27b0bfd4 has a great tutorial on carb rebuild.

http://www.randakks.com/Carb Parts.htm#9A is the best kit you can buy.

https://www.partsnmore.com/cat_index.php?model=gl1000-1100&category=carb has some parts I've used and they worked for me.
 

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Is this bike new to you? Do you know any timing belt history from PO? Not to get off the topic but if it were me I would do the belt in the real near future if they haven't been done or you don't know the history from PO. Just my $.02. It hurts when they brake!
 

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yes- i have no idea when or if the belts have been changed. I will probably do that first since it is a samller dollar investement than the Randakks carb kit. Has anyone on this site rebuilt their carbs without buying the 200 kit and had good luck? I think the kit is a great investment but can the rubber parts be reused with success if you are on a budget?
 

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#9 Those carbs could be leaking into plenum from carb probs or simply the o-ring between the 2 sides of carbs... that will for sure make it look like a stuck float when you see the gas in the plenum.
I believe that if you do find a stuck float, or a leaking needle valve, randakks kit does not contain new needle valves anyway. So, your stuck with buying OEM or some other after market brand of needle and seat. K&L makes a pretty good rebuild kit for about $40 each.. Recommend taking apart to see what's bad first.. just follow one or two of the good "how to's" as mentioned. If you do go for aftermarket.. check out the ebay seller Georgefix,, he is great! and his products are too...
 

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patrick- thanks for the tip. The Randakks kit, although i am sure excellent is just plain out of my price range right now. BTW- sorry about your bike. Got your eye on another?
Is that 40 per carb?
 
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