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Just picked up a 1992 GS500E
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Herndon's Finest
 
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Just picked up a 1992 GS500E - May 27, 2008, 09:15 PM

So a friend of mine gave me a GS500E because he didn't have the time to work on it.

I need some assistance with it though. I'm told that it starts, but doesn't stay running. I'm guessing that it's soemthimg to do with the carb, but I don't know for sure. I haven't started it yet because the battery needs to charge. The service manual is on the way, and the battery should be good to go on Thurs. Any help would be appreciated

Thanks.


Jim

03 Subaru Legacy wagon
08 Subaru Tribeca Limited
12 Yamaha Super Tenere
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May 27, 2008, 09:21 PM

One word: BadguyGS. Let's see if he posts up. If not, send him a PM and tell him I referred you.

If that bike sat for an extended period without some sort of stabilizer added to the fuel, you may be looking at varnish in the fuel system. It can be a real bitch to deal with. The dead giveaway is to crack open a drain screw on one of the carb bowls and let fuel run out onto a pristine white rag, like an old undershirt or something similar. If you see greenish brown flecks, it's varnish.

Other things to check are the fuel petcock and fuel filter, if present. Verify that gas is getting to the carbs.

Keep us updated. We don't have a lot to go on yet.


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May 27, 2008, 10:05 PM

Quote:
Originally Posted by OrangeShirtDude
We don't have a lot to go on yet.
Yep. Hopefully I'll have some more to go on tomorrow. I'll drain some of the gas into a rag. I know it's been sitting for about 8 months, with a carb cleaning at some point during that time.


Jim

03 Subaru Legacy wagon
08 Subaru Tribeca Limited
12 Yamaha Super Tenere
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May 29, 2008, 10:42 PM

Quote:
Originally Posted by OrangeShirtDude
One word: BadguyGS. Let's see if he posts up. If not, send him a PM and tell him I referred you.
...I think you overestimate my abilities

Seriously though, like John said, the gas is the first thing I'd check. There are a few things I could help you with, so ask away if you need a hand and I'll see what I can do.

Good luck!
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May 29, 2008, 10:44 PM

I had a 1982 GS550. It was cool junk.

Go with the cafe idea. I picked up a Kawasaki ZX650 to turn it into a cafe.
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May 29, 2008, 11:40 PM

Quote:
Originally Posted by OrangeShirtDude
One word: BadguyGS. Let's see if he posts up. If not, send him a PM and tell him I referred you.

If that bike sat for an extended period without some sort of stabilizer added to the fuel, you may be looking at varnish in the fuel system. It can be a real bitch to deal with. The dead giveaway is to crack open a drain screw on one of the carb bowls and let fuel run out onto a pristine white rag, like an old undershirt or something similar. If you see greenish brown flecks, it's varnish.

Other things to check are the fuel petcock and fuel filter, if present. Verify that gas is getting to the carbs.

Keep us updated. We don't have a lot to go on yet.

This forum is a plethora of information,I will remember that.Thank you kind sir


ALL MY HEROES ARE RUSSIAN...GO CAPS!

Well you see, Norm, itís like thisÖA herd of buffalo can only move as fast as the slowest buffalo. And when the herd is hunted, it is the slowest and weakest ones at the back that are killed first. This natural selection is good for the herd as a whole, because the general speed and health of the whole group keeps improving by the regular killing of the weakest members. In much the same way, the human brain can only operate as fast as the slowest brain cells. Now, as we know, excessive intake of alcohol kills brain cells. But naturally, it attacks the slowest and weakest brain cells first. In this way, regular consumption of beer eliminates the weaker brain cells, making the brain a faster and more efficient machine. And that, Norm, is why you always feel smarter after a few beers.-Cliff Claven

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May 30, 2008, 12:44 AM

Quote:
Originally Posted by badguyGS
...I think you overestimate my abilities

Seriously though, like John said, the gas is the first thing I'd check. There are a few things I could help you with, so ask away if you need a hand and I'll see what I can do.

Good luck!
Thanks. I drained some of the gas onto a cloth, didn't see any flecks of anything in it. The battery finally had a full charge today, so I tried to start it. Cranks but won't start. Replaced spark plugs, since the others looked fouled, and smelled like gas. Engine has spark. I'm gonna drain what's left of the gas tomorrow, and get new gas and see if that helps.


Jim

03 Subaru Legacy wagon
08 Subaru Tribeca Limited
12 Yamaha Super Tenere
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May 30, 2008, 05:27 AM

Sometimes the floats inside the carb bowls stick after sitting in one position for a long time (i.e. in the fully down position after the gas has all evaporated). When this happens, fuel literally poors into the cylinders. If after adding fresh fuel you still can't get it to fire up, pull a plug and see if it's wet. If so, one or more carb floats are probably sticking. Sometimes you can free them up with gentle tapping on the carbs at the seam of the bowls and throttle bodies. Be careful to not crack the metal, as it's a tad bit thin and fragile. That's why you target the seam and not the even thinner wall of the bowl itself. For the ones less accessible, use a long screw driver with head placed on the seam and small hammer on the handle end.

If you're still having trouble after that, you may need to drop the bowls and manually move the floats around to get things loosened up. The last resort will be to pull the carbs off and clean or have them cleaned.


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May 30, 2008, 05:29 AM

Quote:
Originally Posted by C2H5OH
This forum is a plethora of information,I will remember that.Thank you kind sir
I got this tip from Garcia in Mt. Pleasant, DC. He's what I'd call a "zen" motorcycle mechanic and is well-known for skills with older bikes.


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