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1978 GS1000E Fuel Petcock - Conversion?
- Thread starter philosopheriam
- Start date
F
FLHGSRay
Guest
Not trying to hijack this thread, but this is the perfect time to try to sort out the petcock issue on my '79 1000e. Mine works well, but is starting to leak a little. When I was bringing this thing back from the dead, there were some questions about what my tank/petcock combo was. That discussion starts at post #60 here:
http://www.thegsresources.com/_forum/showthread.php?t=176796&page=2
The original owner told me the original tank was replaced. He didn't mention the petcock, so I assume it is original. Something is not right though, because the lever rubs on the airbox in the ON position, and the lines are an SOB to fit to the petcock. Pic is the bike as it sits now. Any ideas? I suppose I should just pull the tank and remove petcock so I can get a good look at it.
http://www.thegsresources.com/_forum/showthread.php?t=176796&page=2
The original owner told me the original tank was replaced. He didn't mention the petcock, so I assume it is original. Something is not right though, because the lever rubs on the airbox in the ON position, and the lines are an SOB to fit to the petcock. Pic is the bike as it sits now. Any ideas? I suppose I should just pull the tank and remove petcock so I can get a good look at it.
Good point on the rear tank cushion....
F
FLHGSRay
Guest
I'll check, of course, but I'm pretty competent on this stuff. I probably would have noticed that. Probably. Tank doesn't rattle, or seem loose. Fits good with the seat.
Ray
Your leaks are probably from the 2 seals getting old and hard
One is an flat O ring that goes around the lever. The other one is the disc behind the lever. Replace those and you're good to go
And yes, I'm betting the guys are right and you're missing the rear cushion. It sits across the frame right above where the tank bolt goes in
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F
FLHGSRay
Guest
So, we're talking about #11 here? I'd have to look, of course. Haven't had the tank off since I finished the bike. I hope it's that simple.
http://www.boulevardsuzuki.com/fich...y=Motorcycles&make=SUZUKI&year=1978&fveh=2146
http://www.boulevardsuzuki.com/fich...y=Motorcycles&make=SUZUKI&year=1978&fveh=2146
F
FLHGSRay
Guest
And we're talking #2 & 3 for the petcock?
http://www.boulevardsuzuki.com/fich...y=Motorcycles&make=SUZUKI&year=1978&fveh=2146
http://www.boulevardsuzuki.com/fich...y=Motorcycles&make=SUZUKI&year=1978&fveh=2146
Yes on the 11...I have one you can have if you need it. Just PM me a mailing addy. Yes on 2 and 3 also.
F
FLHGSRay
Guest
Thanks for the offer. I think if I have to order the petcock stuff, I'll just get that too, if it's available. I need to first make sure that's the problem. I'll check back soon.
just let me know...open offer here.
F
FLHGSRay
Guest
Well, it seems that I am missing the rear tank cushion. Good call, guys, and thanks. Went to the local dealer and ordered the stuff this morning. Thanks again.
Well, it seems that I am missing the rear tank cushion. Good call, guys, and thanks. Went to the local dealer and ordered the stuff this morning. Thanks again.
Ray
we know because we've all been there before
F
FLHGSRay
Guest
Resurrecting an old, hyjacked, thread here. I think I just figured out my tank/petcock issue. This is a new pic of my petcock with the new rear tank cushion installed. It still is too close to the airbox.
I looked at pics of other bikes, and my owners manual, and they show the petcock much farther forward, to where it falls between the airbox and carb. Here's a pic from my owners manual. You can see the corner of the airbox aft of the petcock.
It's not a huge problem, it's just that the fuel line is VERY hard to route, as it has to make a 90 directly behind the petcock. Must be an issue with the replacement tank that the PO installed years ago. I guess I need to figure out if I should hunt for the proper tank, a different airbox, or just deal with the fuel line. I'd be interested in any input. Thanks.
I looked at pics of other bikes, and my owners manual, and they show the petcock much farther forward, to where it falls between the airbox and carb. Here's a pic from my owners manual. You can see the corner of the airbox aft of the petcock.
It's not a huge problem, it's just that the fuel line is VERY hard to route, as it has to make a 90 directly behind the petcock. Must be an issue with the replacement tank that the PO installed years ago. I guess I need to figure out if I should hunt for the proper tank, a different airbox, or just deal with the fuel line. I'd be interested in any input. Thanks.
Ray, you are correct, the tank has the petcock too far back
That being the case, I would suspect you have an 1980 tank designed for the leverless petcock.
How about a bigger picture of the petcock side of the tank, and an overall picture of the bike?
That being the case, I would suspect you have an 1980 tank designed for the leverless petcock.
How about a bigger picture of the petcock side of the tank, and an overall picture of the bike?
F
FLHGSRay
Guest
We've had this discussion before and couldn't figure it out. I know my bike is a one-owner, and he said this was the only tank he could get when the original rusted out.
I'm told the bolt spacing on the leverless petcock is different than the lever type. They're not interchangeable. Also, this is factory paint, but not a '79 color, and the rest of my bike is black.
I'm told the bolt spacing on the leverless petcock is different than the lever type. They're not interchangeable. Also, this is factory paint, but not a '79 color, and the rest of my bike is black.
If he bolted on a 77 /78 750 petcock it IS NOT an 80 leverless tank...different bolt spacing. 80s were 50 MM. There will only be a little clearance but it wont hit the airbox..or shouldnt anyway.
Two solutions would be to A) file a little off the end of the lever.
B)..most prefered..take the two air box bolts out at the top on the frame and put a washer between the box and the frame and this will make the box sit a little lower...thus providing more clearance.
Two solutions would be to A) file a little off the end of the lever.
B)..most prefered..take the two air box bolts out at the top on the frame and put a washer between the box and the frame and this will make the box sit a little lower...thus providing more clearance.
F
FLHGSRay
Guest
The lever isn't really a problem, & I think I've got the fuel line thing sorted out. Bought some of that thin transparent green fuel line. I don't like using it on a bike, but it solves my problem, as the OD is much smaller and it bends easier. As I said earlier, I have to do a 90* turn directly out of the petcock. I'd still like to sort out just what tank I have. If the fill cap is any clue, mine is rectangular and locking, key matches the ignition.
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The 3 blue stripes on your tank means it is from a 1980 bike.
Looks like a 79 1000 tank to me..same lower profile like the 1000E and S have.
