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Remove Carb Bowl No. 1 on Bike?

  • Thread starter Thread starter OriginalOwner
  • Start date Start date
O

OriginalOwner

Guest
1981 GS750E

No. 1 is not getting gas after my carb rebuild. I took out the drain plug and there's no gas in the bowl. The other 3 are fine and the bike runs.

I'm thinking maybe the float is stuck on the new bowl gasket but I really don't feel like wrestling the whole gang out again just to check.

Has anyone ever had any luck removing the No. 1 bowl with the carbs still on the bike?

Any tips are welcomed.
 
Well, if you can get the tools in there, go for it. Just be careful not to damage the float taking the bowl off from the unusual orientation.
 
Dogma said:
Well, if you can get the tools in there, go for it. Just be careful not to damage the float taking the bowl off from the unusual orientation.
Click to expand...

1 and 4 fairly easy. 2 and 3 possible if you are stubborn and have the right tools..
 
tkent02 said:
1 and 4 fairly easy. 2 and 3 possible if you are stubborn and have the right tools..
Click to expand...

Yeah, I feel lucky that it's an outside carb.

Right tools?

I was thinking a Phillips bit in the corresponding sized socket on a 1/4 drive ratchet.

What say you?

:confused:
 
If the bowl had been taken off before and you know the screw can be easily removed sure. But if not, you might end up needing an impact driver.

Curious - why didn't you replace the old screws with socket caps? Sure would make this part easier in my opinion
 
OriginalOwner said:
Yeah, I feel lucky that it's an outside carb.

Right tools?

I was thinking a Phillips bit in the corresponding sized socket on a 1/4 drive ratchet.

What say you?

:confused:
Click to expand...

Maybe, I have a 1/4 drive for a socket on a flat piece of steel, it's a lot thinner than a ratchet. Also have a little wheel thing the phillips tip fits into, you just spin it in your hand. Sometimes theres only space for a shortened socket with the tip in it, that one's a bitch to turn, sometimes need pliers to turn it. PITA.

I think the tools are less important than being stubborn.

Before you do all this, try whacking the float bowl on the side with a screwdriver handle or something. It might free up the float.
 
Last edited:
I just read your first post again, you rebuilt these carbs. How did you remove the needle valve from the carb body?
 
cowboyup3371 said:
Curious - why didn't you replace the old screws with socket caps? Sure would make this part easier in my opinion
Click to expand...

Yeah, it probably would. I didn't replace the bowl screws because there were no issues with them. If something works, I usually don't replace it.


tkent02 said:
I just read your first post again, you rebuilt these carbs. How did you remove the needle valve from the carb body?
Click to expand...

The float needles? Thumb and forefinger...?

The seats? Pliers with a light touch.

What are you getting at? Do tell.

:confused:
 
The rims of the float seats easily deform from perfectly round...which causes the float needles to hang up open or closed..or somewhere in between
 
chuck hahn said:
The rims of the float seats easily deform from perfectly round...which causes the float needles to hang up open or closed..or somewhere in between
Click to expand...

Got it.

I'm thinking I may be able to remove the float, float needles and seat. I'll check that rim.

Is it something that can be smoothed out or is total replacement generally advised?

:confused:
 
I was indeed able to remove the bowl from no. 1 carb with the gang still on the bike. Thanks to tknet02 and chuck hahn for their advice.

What I found was that the float needle was sticking up in the seat, in the closed position. A very mild tap on the carb and it fell back down. But when I raised the float again, the needle stuck again.

I raised the float and repeated the tapping process until the frequency of the needle falling by itself increased -- but it never got to the point where it would fall back down by itself every single time.

So, I figured, let's take a ride and get some gas flowing over the area and keep my fingers crossed that it works itself out.

I couldn't remove the float as the pin was inserted head out -- so I couldn't get a clear whack at the non-headed side. (But even if it was the other way, I'd probably have a helluva time getting it back in.

The test ride was great! The bike ran like a monster!! This is the first time since the carb rebuild that cylinder no. 1 actually fired and let me tell you, it was awesome!

I can't say yet that this issue is resolved but at least I know exactly what is going on.

Thanks all for the advise and encouragement.

:lol:
 
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