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why am i leaking gas?

  • Thread starter Thread starter achim1313
  • Start date Start date
Could that screw be stripped? Have you tried a screw from another bowl to verify? May have to invest in a new bowl, screw, or a helicoil.
 
Steve said:
Not quite true, Mr. Planecrazy. :p

I was rather dreading the acquisition of a bike with the "dreaded '80 petcock" when I got Junior.
I was very pleased to find that the G models have a 'normal' petcock, it's only the GL models without the lever. :D

.
Click to expand...
I appreciate the "heads up" on the 850G models, but I believe most of the other '80 bikes (standard or L) also had the "leverless" petcocks. My 550L, for example, was "leverless," and I believe several other non-G bikes may also have had the "dreaded" petcocks. Incidentally, my petcock never gave me any trouble - guess I was one of the lucky ones, hehe! For a very short time I owned a 1980 1000G, and if memory serves me correctly (and it might not) that bike also had a leverless petcock.

Regardless, those Holiday Inn Express stays have obviously served you well, Buddy! :p;)

Regards,
 
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oldgsfan said:
You really should read the carb cleaning tutorial on Bass Cliff's website -
http://www.mtsac.edu/~cliff/storage/gs/mc_maint/GS_CV_Carb_Cleaning_Series.pdf

I think you're talking about the float bowl screw, which should have a small gasket on it. And, no, I don't think a longer screw will help.
Click to expand...

i think the gasket on that is gone. after completely drying it that screw is the only place where the gas is leaking from. will that mean that I have to get a new bowl or just a gasket?
 
Have you tried to swap out screws to see if that hole is stripped? Is the washer that goes with that screw still in good shape? Or are you talking the actual gasket that is around the entire bowl?
 
the screw is fine I tested it in the slot beside it and it would get tight, but it won't in the hole it's suppose to go in. it just keeps spinning freely
 
You'll want to look into getting a new bowl or at least get a helicoil and put a new crush washer on it. I had a similar issue with my oil pan and that's the way I ended up going (helicoil/crush washer)
 
If its the one I am thinking of... do you mean the drain screw at the bottom? Mine just uses a oring on that, but if its stripped that would help you much.

I am cheap so take my advice with a grain of salt but I would first try to fix what you got and keep it simple. If you remove the float bowl on the carb in place the float could fall out and the little pin with it and lots of mess... so if you want to really inspect it take the carbs off the bike, drain the other float bowls and flip the carbs over to check that one out.

If you keep it in place and plan to rethread it anyways if it fails... I would just go up to a standard size bolt a hair bigger and thread that in with a new gas resistant oring and call it good enough. As a last ditch effort a small rubber plug could do it.
 
Skateguy50 said:
If its the one I am thinking of... do you mean the drain screw at the bottom? Mine just uses a oring on that, but if its stripped that would help you much.

I am cheap so take my advice with a grain of salt but I would first try to fix what you got and keep it simple. If you remove the float bowl on the carb in place the float could fall out and the little pin with it and lots of mess... so if you want to really inspect it take the carbs off the bike, drain the other float bowls and flip the carbs over to check that one out.

If you keep it in place and plan to rethread it anyways if it fails... I would just go up to a standard size bolt a hair bigger and thread that in with a new gas resistant oring and call it good enough. As a last ditch effort a small rubber plug could do it.
Click to expand...

no not the drain screw. it's the 4 small allen head screws that connect the bowl to the carb
 
ohh, very different then, likely a cracked gasket under that and stripped thread.

Going to have to pull the carbs and get the rack upside down to see. I dont know the type... but I think some gaskets in a tube might hold up for that since its not high temp... or get some material and cut your own to match if your on time constraints.

One of my float bowl drains had issues... can you imagine why?
100_2304.jpg


Found this old pic too, likely that gasket you see is cracked.
100_2303.jpg


Again you can fix it right and get it tapped and threaded and order / find a new gasket, or go with some gasket in a tube (no clue what kind) and if it was me put a small bolt through the threads with a nylon lock nut on top. (not sure if yours looks like this but mine it threads through)
100_2309.jpg
 
alright pulled off the carbs. it was a lot easier the second time around lol. anyways the screw the hole is stripped, any suggestions. also the gasket of the same carb was ripped in half and several other places. i'll be replacing that tomrrow. bowl was good. put water in it and didn't drip. while i have the carbs off i'm going to try to clean them again. so again any suggestions for the stripped screw? again it's the bowl part that's stripped. skate you said bolt and nut? hopefully this stops it. I haven't even started packing for college yet and I still have to work on my car ahhhh it's going to be a fun 4 days.
 
Does your carb look like my picture, where you could fit a bolt through and nut on top? If so I would do that for sure, if it threads into the carb body only you need to try and retap the threads.



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why not just tap the m5 bolt to an m6?.. done that a few times on float bowls. no need to drill it first, just run an m6 tap through the knackered hole ;)
 
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.......what's what? - tapping the hole larger or my use of the Queens language? ;)
 
You said "knackered!" :p:D;) (and I have NO idea what his "what" was for, btw)
 
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