Weld or options?


Information and questions on GL1100 Goldwings (1980-1983)
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robertdawber
Posts: 285
Joined: Fri Aug 07, 2009 9:24 pm
Location: Eliot, ME
Motorcycle: 1983 GL1100 Interstate

Weld or options?

Postby robertdawber » Thu Jan 15, 2015 7:45 pm



This is a tough one. I took the back engine cover (engine off bike) off to replace clutch basket and then do some other work (GL1100i) one of the bolts was stuck. I left it there-cover still on-and put some penetrating spray on. Came back tonight and tried-the bolt was still stuck. I gave a little bit of last effort and the bolt snapped-but it took the lip of the hole on the block off with it.
So, I have a broken bolt hole on the upper left corner of the back engine block. The cover is fine.
What solutions would people suggest? Anyone ever deal with this?
Drill another hole (this part of the block has room) drill two holes, one on each side of the original hole? Find a way to weld the broken parts on? JB Weld the parts on (I have the two little broken outer hole parts) Leave it and hope for the best:)
I hope I can figure this out!



robertdawber
Posts: 285
Joined: Fri Aug 07, 2009 9:24 pm
Location: Eliot, ME
Motorcycle: 1983 GL1100 Interstate

Re: Weld or options? Photo

Postby robertdawber » Thu Jan 15, 2015 9:26 pm



f1xrupr
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Location: Triplet Va
Motorcycle: 1980 gl 1100 Std. Vetter

Re: Weld or options?

Postby f1xrupr » Thu Jan 15, 2015 11:19 pm

I see that you still have the flang...that's good! I would not try to drill another hole and take a chance on cracking the flang threading it. You would probably be ok using it like it is with a THIN layer of permatex (not silicone) on both sides of the gasket being careful not to over tighten. A good welder can tig weld (not mig) the piece back on-take a bolt along with the piece. I wouldn't dare let anyone try to mig weld it no matter how good they say they are.
My exercise bike is a goldwing.

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WingAdmin
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Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
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Re: Weld or options?

Postby WingAdmin » Fri Jan 16, 2015 10:59 am

Another option could be to just fill that area with (aluminum) weld, then machine it down flat to match the flange, and re-drill and tap the bolt hole. That would be a last-ditch fix for me, however.

robertdawber
Posts: 285
Joined: Fri Aug 07, 2009 9:24 pm
Location: Eliot, ME
Motorcycle: 1983 GL1100 Interstate

Re: Weld or options?

Postby robertdawber » Fri Jan 16, 2015 1:51 pm

I did consider the fill. What would you suggest if that is the last effort? I still have work to do on the inside so I have time-plus it is winter:)
Also, while I have attention-would you just replace the stator because it is open? And (thanks for being patient) if the starter has stuck and been hit or miss would you rebuild the starter clutch?

Thanks so much for the help!

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WingAdmin
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Posts: 17046
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1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: Weld or options?

Postby WingAdmin » Fri Jan 16, 2015 2:35 pm

robertdawber wrote:I did consider the fill. What would you suggest if that is the last effort? I still have work to do on the inside so I have time-plus it is winter:)
Also, while I have attention-would you just replace the stator because it is open? And (thanks for being patient) if the starter has stuck and been hit or miss would you rebuild the starter clutch?

Thanks so much for the help!


My first option would be to re-tack on the broken piece as mentioned originally.

And if the stator is at all old, then definitely - yes, I'd probably replace it, now that it's apart (if it were my bike, anyway). If the starter clutch sprags have been sticky, and weren't fixed with solvent, then sure, go ahead and pull those apart to rebuild as well.

robertdawber
Posts: 285
Joined: Fri Aug 07, 2009 9:24 pm
Location: Eliot, ME
Motorcycle: 1983 GL1100 Interstate

Re: Weld or options?

Postby robertdawber » Fri Jan 16, 2015 9:09 pm

That is what I was thinking as well (stator) It is the original!

I will take a photo of the final product when I am done. Thanks folks!

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littlebeaver
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Re: Weld or options?

Postby littlebeaver » Sat Jan 17, 2015 10:16 pm

I wonder if it would bother you to have a nut on that one particular bolt hole? You could just drill the broken bolt out and place a stud in and weld it in place and just use a nut on it instead of a bolt... Maybe that would work.... :D That would be my option for me... But I'm a caveman...lol

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seelyark1
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Re: Weld or options?

Postby seelyark1 » Fri Jan 23, 2015 12:01 pm

f1xrupr wrote:I see that you still have the flang...that's good! I would not try to drill another hole and take a chance on cracking the flang threading it. You would probably be ok using it like it is with a THIN layer of permatex (not silicone) on both sides of the gasket being careful not to over tighten. A good welder can tig weld (not mig) the piece back on-take a bolt along with the piece. I wouldn't dare let anyone try to mig weld it no matter how good they say they are.


This is the route that I would take. At least it is at the top where any leakage would be minimal if there was any. :) Even tig welding those small of a part would be difficult at best. Heat transfer will melt them before you get the case hot enough to weld it. Mig would be a total waste of time on this. After all, this is aluminum isn't it? Just imagine if it were magnesium :lol:


Ride safe, and smart. Asphalt is like #1 grit sandpaper. Dave


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