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Changing my single piston standard brake caliper on my GS1000C to a twin piston from an SV650 , as far as I am aware the master cylinder on my model has a 16mm bore so expect i will need to go up in size , does anyone have any recommendations for a new master cylinder. Will the master cylinder from the twin disc GS1000 work ?
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Any master with a 5/8" or 16mm bore will work.Originally posted by Highway star View PostEd
To measure is to know.
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is that caliper a direct bolt on replacement or have you modified it to fit?1978 GS1085.
Just remember, an opinion without 3.14 is just an onion!Comment
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I am going to modify the bracket from the SV to fitComment
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Post some pics of how you modify it, folks here are always interested in easy brake upgrades.Originally posted by Highway star View Post1978 GS1085.
Just remember, an opinion without 3.14 is just an onion!Comment
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No problem will doComment
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Agreed. If possible the year of the SV caliper and mounting bracket would also be helpful.Originally posted by Agemax View Post2@ \'78 GS1000Comment
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Thanks my mistake thinking my present bore is 16mm, it being actually 14mm since discovered after doing some research.
Part number for master cylinder piston on single disc model 59600-33810 14mm
Part number for master cylinder piston on twin disc set up 59600-47810 16mmComment
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Have you talked to Salty Monk on here or read his thread about the twinpot upgrade? He made brackets to fit the Kawasaki style of twinpots so maybe that will work for you.
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15160418450000836fd4a8895f30e by Dennis Harland, on Flickr
My take on the salty monk twinpot upgrade. Small steel bracket between fork and caliper carrier. I use a Bandit 12 master cylinder.My bikes 79 GS1000 1085 checked and approved by stator the GSR mascot :eagerness: and 77 GS750 with 850 top end, GS850g, and my eldest sons 78 GS550, youngest sons GS125. Project bike 79 GS1000NComment
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The short answer is no. I few years ago, got a complete front braking system for 06 sv650s for real cheap. I deemed the calipers too much work for a retrofit so I binned them. I ended up using the 650s MC, two stainless lines, antidive delete, overhauled stock calipers and new ceramic pads. All this made a very noticeable difference. Totally happy with the front brakes.Originally posted by Agemax View Post1983 gs1100ed restro-mod. 1998 gsxr 1100 almost mint, 2019 kawasaki klx250, 2011 Beta 250 evo trials bike, 2017 Montesa 300rr trials bike, 2021 honda crf250rx woods weaponComment
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Yes read them thanks. Hopefully in a couple of weeks I will have the template made up for the sv caliper and post pics as it progressesOriginally posted by cowboyup3371 View PostComment
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The new style bracket already fits the SV caliper... I'm using them now. They are also on the V-strom and the EX650
Your stock master will work. Single brake model are usually 14mm piston.
If using it on a single brake model you need to use a Disk from a Honda Blackbird.
We used a simple strap bracket in the early days as UK GS NUT has done but it's not totally safe as you're relying on the torque on the bolts only to stop it rotating around the caliper. It's meant to be triangulated back so that can't happen. I'm surprised you can get a kosher MOT in the UK with it like that.
This is the single brake thread:
Last edited by salty_monk; 05-13-2021, 01:35 AM.1980 GS1000G - Sold
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TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/Comment
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My bikes 79 GS1000 1085 checked and approved by stator the GSR mascot :eagerness: and 77 GS750 with 850 top end, GS850g, and my eldest sons 78 GS550, youngest sons GS125. Project bike 79 GS1000NComment
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[RegQUOTE=salty_monk;2651246]The new style bracket already fits the SV caliper... I'm using them now. They are also on the V-strom and the EX650
Your stock master will work. Single brake model are usually 14mm piston.
If using it on a single brake model you need to use a Disk from a Honda Blackbird.
We used a simple strap bracket in the early days as UK GS NUT has done but it's not totally safe as you're relying on the torque on the bolts only to stop it rotating around the caliper. It's meant to be triangulated back so that can't happen. I'm surprised you can get a kosher MOT in the UK with it like that.
This is the single brake thread:
https://www.thegsresources.com/_foru...00C&highlight=[/QUOTE] regarding disc from honda blackbird, can you tell me what year as I've read they changed dimensions in 1999Comment
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