GL1200 shock mount snapped


Information and questions on GL1200 Goldwings (1984-1987)
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Saintjude33
Posts: 35
Joined: Wed Jun 10, 2015 7:47 pm
Location: Central CT
Motorcycle: 1986 GL1200 Aspencade with sidecar
1989 Yamaha XV250 Virago, Route 66 model

GL1200 shock mount snapped

Postby Saintjude33 » Thu Jul 02, 2015 8:44 am



I hate to bump this thread, but I snapped the top left mounting stud on my rear shocks to my 86 aspencade 1200. I can't find the correct part number to get a replacement- any help?



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WingAdmin
Site Admin
Posts: 17050
Joined: Fri Oct 03, 2008 4:16 pm
Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: GL1200 shock mount snapped

Postby WingAdmin » Thu Jul 02, 2015 11:32 am

Saintjude33 wrote:I hate to bump this thread, but I snapped the top left mounting stud on my rear shocks to my 86 aspencade 1200. I can't find the correct part number to get a replacement- any help?


I hate to tell you this, but that's not a replaceable stud - it's permanently welded to the frame, for better or for worse. You aren't the first to have done this, nor will you be the last.

All is not lost, it is repairable. Have a look at this thread, where a user did just that: Threaded part of the upper shock mount sheared off

Saintjude33
Posts: 35
Joined: Wed Jun 10, 2015 7:47 pm
Location: Central CT
Motorcycle: 1986 GL1200 Aspencade with sidecar
1989 Yamaha XV250 Virago, Route 66 model

Re: GL1200 shock mount snapped

Postby Saintjude33 » Thu Jul 02, 2015 11:39 am

Looks good- read the entire thing, but I'm not too savvy on metrics.

What is a 7mm 1" pitch? Is that the tap used? Threading for a M7x1.00 bolt?

Saintjude33
Posts: 35
Joined: Wed Jun 10, 2015 7:47 pm
Location: Central CT
Motorcycle: 1986 GL1200 Aspencade with sidecar
1989 Yamaha XV250 Virago, Route 66 model

Re: GL1200 shock mount snapped

Postby Saintjude33 » Tue Jul 07, 2015 11:10 am

Well, getting worse and worse. Drilled out, tried taping it, snapped the tap, not the tap is stuck. I think I'm going to try to drill through the whole frame, grind off the back side of the stud, thread a bolt through and have a buddy of mine TIG it in place, use a bushing, nut and assorted hardware and just call it a day.

User avatar
WingAdmin
Site Admin
Posts: 17050
Joined: Fri Oct 03, 2008 4:16 pm
Location: Strongsville, OH
Motorcycle: 2000 GL1500 SE
1982 GL1100A Aspencade (sold)
1989 PC800 (wife's!)
1998 XV250 Virago (sold)
2007 Aspen Sentry Trailer

Re: GL1200 shock mount snapped

Postby WingAdmin » Tue Jul 07, 2015 12:31 pm

Ouch. The tap is going to be made of extremely hard (and brittle, hence the snapping of it) steel, and will be very difficult to drill out. You might try welding a bolt to the top of it and using that to try to extract it.

Saintjude33
Posts: 35
Joined: Wed Jun 10, 2015 7:47 pm
Location: Central CT
Motorcycle: 1986 GL1200 Aspencade with sidecar
1989 Yamaha XV250 Virago, Route 66 model

Re: GL1200 shock mount snapped

Postby Saintjude33 » Tue Jul 07, 2015 12:56 pm

Unfortunately it was broken off recessed and jammed in tight. I tried to freeze it and shatter it, but no-dice. I cut the stud off and drilled it out to see if maybe I can use a bolt, but the weld material is too hart to tap. I'm going to drill out the entire stud, grind all welds down and start fresh.

If I drill all the way through, push a bolt through from the inside of the frame, tighten a nut to it, and weld the head to the inside of the frame, it appears to be actually more sturdy than original. The only difference is that the bolt will be a G-8 and have full threading, but I can use a bushing to protect the shock rubber.




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