GT750 front brake caliper rebuild - HELP
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- ChrisK
- On the main road
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- Joined: Mon Nov 25, 2013 1:16 pm
- Country: Australia
- Suzuki 2-Strokes: T250, GS550, TL1000S, T500 race, GSXR400 race
- Location: Perth, Western Australia
GT750 front brake caliper rebuild - HELP
I am rebuilding some GT750 calipers (early model) that I stupidly pulled apart without taking note of where the o rings and rubber boots on the caliper pins went. I have got new ones but the only diagram I can find online doesn't specifically show which of the grooves in the pin the o rings sit in. Any help appreciated!
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- Expert racer
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- Location: Manchester, UK
Re: GT750 front brake caliper rebuild - HELP
There are 4 grooves on the pins, the o-rings go in the two 'middle' grooves - that is, grooves 2 and 3.
Wrap a turn of tape around the threads and the groove nearest the thread before fitting the o-rings, it makes it a lot easier to slide them up the pin without snagging them. And don't forget lots of red rubber grease on the pins before fitting the caliper halves together to keep them moving freely
Wrap a turn of tape around the threads and the groove nearest the thread before fitting the o-rings, it makes it a lot easier to slide them up the pin without snagging them. And don't forget lots of red rubber grease on the pins before fitting the caliper halves together to keep them moving freely

1976 GT380 - wounded by me, and sold on
2006 SV650S - killed by a patch of diesel and a kerb in Feb 2019
2017 SV650 AL7 - naked and unashamed
2006 SV650S - killed by a patch of diesel and a kerb in Feb 2019
2017 SV650 AL7 - naked and unashamed
- ChrisK
- On the main road
- Posts: 121
- Joined: Mon Nov 25, 2013 1:16 pm
- Country: Australia
- Suzuki 2-Strokes: T250, GS550, TL1000S, T500 race, GSXR400 race
- Location: Perth, Western Australia
Re: GT750 front brake caliper rebuild - HELP
Cheers mate!
- Coyote
- Moto GP
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- Suzuki 2-Strokes: GT550x2, GT750, GS1000
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Re: GT750 front brake caliper rebuild - HELP
The boots go in both sides of the center 'carrier' part. Some guys omit them as they are just dust shields. Not me though. This was early in my last rebuild


I was born with nothing and still have most of it left.
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1978 GS1000C
1976 GT550 ongoing money pit.
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1978 GS1000C
1976 GT550 ongoing money pit.