Hey all. It's been a few years since I've posted but the '82 started acting up. Starts great when the engine is cold, but get it hot it needs full throttle to start. It idles good, midrange is good, and pulls hard full throttle through all the gears. I also noticed gas dripping out of the overflow hose too. Any thoughts??
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GS650G Carb Issues
- Thread starter usedktm
- Start date
Steve
GS Whisperer
Well, you obviously have a very rare set of carbs there. :-k
The CV-style carbs on the '82 650 do not have overflow tubes.
There could be several things wrong, they would have to be eliminated one by one to get the bike running right.
With a posted location of "somewhere, on earth", I don't know if you might be close enough to stop by and let me help you tune it, so I guess I'll just have to say "good luck, hope you can work it out". :-\\\
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The CV-style carbs on the '82 650 do not have overflow tubes.
There could be several things wrong, they would have to be eliminated one by one to get the bike running right.
With a posted location of "somewhere, on earth", I don't know if you might be close enough to stop by and let me help you tune it, so I guess I'll just have to say "good luck, hope you can work it out". :-\\\
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Well, you obviously have a very rare set of carbs there. :-k
The CV-style carbs on the '82 650 do not have overflow tubes.
There could be several things wrong, they would have to be eliminated one by one to get the bike running right.
With a posted location of "somewhere, on earth", I don't know if you might be close enough to stop by and let me help you tune it, so I guess I'll just have to say "good luck, hope you can work it out". :-\\\
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.........and ridicule is always a welcoming, constructive gestuer, isn't it Steve? Feel better?
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Steve
GS Whisperer
A "jester" is a clown, not exactly "constructive". Probably not the word you wanted, but who am I to suggest otherwise?
A gesture is a movement, usually of the hand or body, to express an idea or a meaning. Probably the word you were looking for, but who am I to even suggest that?
A post was made, looking for help, but barely had any information in it. He might have more responses with "hey, I have a problem with my bike, can anybody help?" I even offered to help in-person, but I don't know if he is within range.
And, yes, I <do> feel better. :-\\\
EDIT: I see that you have edited your post to change the word "jester", but it's still wrong.
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yeah, the first response I just took a deep breath, and thought "ok I'm an idiot". Now, I just stood on my head the fuel is coming out of the air box drain hose. I took the fuel line off and no gas ran out of the fuel valve. Took the vacuum hose off, gave it a good "suckin'" and I got a good stream off fuel running out. I guess a fuel valve could be intermittent? By the way, I'm in Topeka, Ks.
A "jester" is a clown, not exactly "constructive". Probably not the word you wanted, but who am I to suggest otherwise?
A gesture is a movement, usually of the hand or body, to express an idea or a meaning. Probably the word you were looking for, but who am I to even suggest that?
A post was made, looking for help, but barely had any information in it. He might have more responses with "hey, I have a problem with my bike, can anybody help?" I even offered to help in-person, but I don't know if he is within range.
And, yes, I <do> feel better. :-\\\
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Once again you are back onto your old crutch of pointing out errors in someones text, as your poor manors fall short. Be nice my friend.
DING-DING-DING!! We have a winner! It's the fuel valve. Went for a ride came back and took the fuel line off, didn't leak. After about 20 minutes went back out connected fuel line, it started right up. Disconnected fuel line again.......didn't leak. 20minutes later, connected line, started right up. Disconnected line again and DRIP, DRIP, DRIP!! As of now it's still leaking into a gas can. Thanks for your help, sorry for coming off like a dumb ass in the first post. It's hell trying keep maintenance on fleet of 7 motorcycles.
Steve
GS Whisperer
Sorry, but I only have one manor, and it is not falling, short, long or otherwise.
My manners, on the other hand, could probably use some work, but they are provoked by someone who tries to correct MY mistakes by making some of their own.
I learned a LONG time ago that there are far too many mistakes on the internet for me to correct even a small percentage of them, so I just gave up trying. I can only make decisions and judgements based on information presented. If it's missing, I can only hazard a guess. If it's wrong, well, that is another judgement.
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Sounds good
Now, please go back on your profile and update your location and bike (in the signature) do everyone here knows what bike you're posting about.
Steve will be happier and I can take over as the grumpy old man around here
Steve
GS Whisperer
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abaton6
Guest
I'm having a no fuel flow issue with MY 82 650 as well. It has a new petcock,...Ebay and a transparent fuel line with a plastic fuel filter. Wondering is the filter is too large a space to allow the vacuum to work.
Steve
GS Whisperer
I would suggest that the plastic fuel filter might be a problem. There are already fuel filters on the bike (yes, that's plural), you shouldn't need any more.
And, ... the space in the filter should have no relationship to the operation of the vacuum.
The vacuum line should connect from the port on #2 carb to the nipple on the petcock that is closer to the frame. The fuel line should run from the larger nipple on the petcock to the T between carbs 2 and 3.
If you have some spare hose, run a line from the fuel port on the petcock to a catch can. Connect another line to the vaccum port, then suck on it. Watch for fuel flow when you suck, then watch for it to stop when you stop sucking. That will diagnose the first part of the fuel flow chain.
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abaton6
Guest
Thanks,...I'll try this tomorrow.
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abaton6
Guest
I pulled the tank off, and the petcock is dripping about 3 drips per second, while set at 12 o'clock. I had a hose on the vac line and when I put a slight vacuum on it, it flowed pretty good, but sometimes pretty slowly. If I set it to "prime", it flows bigtime. I pulled one of the float bowl plugs, and the bowl was full. Not sure what is going on here.
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abaton6
Guest
I put the tank back on, fuel line and vac hose also. I saw fuel flowing when I set to prime,...no start. took the suction hose off the petcock and i could feel it sucking when the engine was turning over. I still have dry spark plugs! No fuel is being delivered. I can get it to "run" on starter fluid. Any further thoughts? I'm about ready to pull the carbs again, and ......do what? I'm not sure.
Make sure “choke” linkage is working correctly ....this thing needs extra dose of fuel in carb throats during cold cranking or it’s a no go!
Are you sure the choke passages are clean ? That little hole and brass tube in each fuel bowl needs to be clean in order for fuel to make it up to carb throat when “choke” lever is activated.
plus....do not apply any throttle during cold cranking or you defeat the “choke” system
Are you sure the choke passages are clean ? That little hole and brass tube in each fuel bowl needs to be clean in order for fuel to make it up to carb throat when “choke” lever is activated.
plus....do not apply any throttle during cold cranking or you defeat the “choke” system
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abaton6
Guest
The choke linkage is working for sure. Can you elaborate on this? """That little hole and brass tube in each fuel bowl needs to be clean in order for fuel to make it up to carb throat when “choke” lever is activated.""" .... I'll remove the carbs again to look at this. Thanks
Drop a fuel bowl from carb body...note the brass tube that stays attached to carb body. This tube fits down into bowl side and picks up fuel from a ?drain? hole in bottom of bowl. Very small holes, easy to get plugged up and prevent fuel from reaching choke plunger...so poke them with pin and blow them out to ensure that they?re clean