Brake Calipers - 1980 GL1100


Information and questions on GL1100 Goldwings (1980-1983)
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Thunder4219
Posts: 6
Joined: Sun Feb 10, 2019 8:45 pm
Location: Canada
Motorcycle: 1980 GL1100 standard (naked)

Brake Calipers - 1980 GL1100

Post by Thunder4219 » Mon Feb 18, 2019 11:03 pm



I'm rebuilding a 1980 GL1100 Standard. I purchased it as a partly started restoration project so a good number of "parts" are in boxes.
Things have been going pretty good so far, especially since the manual I ordered hasn't arrived yet, but with all the amazing information on this site I've had plenty to keep me busy!
My current stage is rebuilding the brake calipers which were is a box and partly disassembled. I bought rebuild kits for all three calipers. These are the single piston calipers and my biggest issue right now is I'm missing the spring pad for the rear caliper and I've hunted all over the Internet and cannot find one!
This leads me to wondering if I can retrofit the dual piston calipers without needing much modification.
There seems to be a lot more options for these......and they are readily available for sale used.....any advise is much appreciated. (I did try to search to see if anyone has asked this before so my apologies if I missed an existing thread). Cheers



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jaimenv
Posts: 57
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Location: carolina puerto rico
Motorcycle: 1981 gl1100 Standard (Naked)
1986 gl1200 Interstate (Barney)

Re: Brake Calipers - 1980 GL1100

Post by jaimenv » Tue Feb 19, 2019 6:23 am

megazip shows it in stock.
Beware sometimes they show stock but don't have any.
Worth a shot.
Jaime

Thunder4219
Posts: 6
Joined: Sun Feb 10, 2019 8:45 pm
Location: Canada
Motorcycle: 1980 GL1100 standard (naked)

Re: Brake Calipers - 1980 GL1100

Post by Thunder4219 » Tue Feb 19, 2019 7:04 am

Thanks Jamie, I'll check it out now, much appreciated.

DaveO430
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Location: Amity. Ar
Motorcycle: 2010 GL1800
2004 Suzuki DR200

Re: Brake Calipers - 1980 GL1100

Post by DaveO430 » Tue Feb 19, 2019 8:23 pm

You can put dual piston calipers from an 82 on it but you also have to have the mounting brackets.

Thunder4219
Posts: 6
Joined: Sun Feb 10, 2019 8:45 pm
Location: Canada
Motorcycle: 1980 GL1100 standard (naked)

Re: Brake Calipers - 1980 GL1100

Post by Thunder4219 » Tue Feb 19, 2019 8:35 pm

Thanks Dave, much appreciated. Megazip was a bust too! They showed stock on the website but didn't actually have any so I've had no luck finding a Spring Pad. I'm considering going to a two piston if I have to buy calipers!!

Thunder4219
Posts: 6
Joined: Sun Feb 10, 2019 8:45 pm
Location: Canada
Motorcycle: 1980 GL1100 standard (naked)

Re: Brake Calipers - 1980 GL1100

Post by Thunder4219 » Wed Feb 20, 2019 5:52 pm

If I change to the two piston calipers from a 1982 will I need to change the master cylinders too?

DaveO430
Posts: 1120
Joined: Fri Jan 02, 2015 7:28 pm
Location: Amity. Ar
Motorcycle: 2010 GL1800
2004 Suzuki DR200

Re: Brake Calipers - 1980 GL1100

Post by DaveO430 » Wed Feb 20, 2019 6:37 pm

No, yours will work. They are different on the 83 with linked brakes.

Thunder4219
Posts: 6
Joined: Sun Feb 10, 2019 8:45 pm
Location: Canada
Motorcycle: 1980 GL1100 standard (naked)

Re: Brake Calipers - 1980 GL1100

Post by Thunder4219 » Wed Feb 20, 2019 9:55 pm

Thanks for all the great advice. I have located a set of complete calipers and mounting brackets from a 1982 so planning the upgrade!

Thunder4219
Posts: 6
Joined: Sun Feb 10, 2019 8:45 pm
Location: Canada
Motorcycle: 1980 GL1100 standard (naked)

Re: Brake Calipers - 1980 GL1100

Post by Thunder4219 » Sun Feb 24, 2019 9:17 pm

So I've not managed to buy a spring pad but the solution was to buy a new (Used) rear caliper off ebay.
I've started dismantling the calipers and what a mess! Full of old brake fluid and rust and varnish! What I've noticed is there is some pitting on the pistons, so my question is, can I still use these or should new ones be purchased? I bought caliper rebuild kits but not pistons. Thanks in advance for all the great advise!



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