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  #21  
Old 27th June 2020
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The rear...
https://scontent-lhr8-1.xx.fbcdn.net...31&oe=5F1DDF19
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  #22  
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That's pretty inventive.
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  #23  
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Thank you, everyone, for the replies, complaints, and questions.

I have decided to go with the Wilwood Caliper GP310 for the front and the rear.

I have found an excellent deal for Wilwood Calipers+FS+no tax for non IL addresses.

each one costs $185
tottle cost: $370

Part Number for the Front Caliper: 120-7737-BK
Part Number for the Rear Caliper: 120-7741-BK

those are the links to have a quick look at it:

Front
https://rcagarage.com/shop/brakes-ro...waAugxEALw_wcB

Rear:
https://rcagarage.com/shop/brakes-ro...c-120-7741-bk/
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  #24  
Old 4 Weeks Ago
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Is there some difficult obstacle to using 99 dot5 11/16 master Sport dual disc setup on an earlier (87) evo Sport? A lug on handlebars to mount master to or something maybe. I know heated grips on my buck-horns everyone grimaces at(why I dont know or care really) but my chassis guy knows I am intent on using those early handlebars and has explained to me "you cant use 99 brakes must use earlier" It has gone in one ear and out the other because I dont see an indication of that being a problem in Sportsterpedia. Have not seen the issue either.Want to get used brake setup, rebuild and powder to match my frame/other.
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  #25  
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There are some ironheads that have 90's masters.
Swapping brake parts has been done to death on the forum.
There are lots of info. I haven't gotten good and started yet sifting thru them.
It doesn't need to be done nilly-willy but folks also put Yamaha or other calipers on Sportsters.

Some starting considerations:
Matching the master to the caliper(s).
Information here:http://www.sportsterpedia.com/doku.p...k:ref:wheels12
(I need Caliper Piston Dims for all the calipers listed in the regular brake sections)
Make sure the rotor is tall enough if changing calipers.
Also check for thickness changes between old and new rotor.
Some wheels are not made to fit rotors on both sides (bossed/tapped, etc).
Buy pads specific for the rotors (rotor thickness considered also).
Make sure the line fittings will work with your setup or check for adapters.
And the caliper mounting holes match up.
Forks also have to accept the calipers.
Some folks swap their lowers for ones with the correct mounting for the calipers you're using.

I don't have all that info at the moment is why I got a long winded.
But a blanket statement that it won't work is inaccurate.
You may have to swap some other parts, but it should be doable.
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  #26  
Old 4 Weeks Ago
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I’ll add that a single front Wilwood GP310 and a 9/16” master connected with a stainless line is a good working combo.

It has good brake feel, (and not spongy, not wooden, no excess travel).
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  #27  
Old 4 Weeks Ago
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I think there are 2 styles of front master attachment to handlebars, one involving clamping alone maybe and one the assembly locks into a lug? And the switches setup is different? Was hoping to use the mater caliper pair denoted in Sportsterpedia 45013-96 or 96D not sure I understand the nomenclature in the caliper column ?? for that master cylinder shows 2x39mm Kelsey Hayes and 8x33mm?? Would be nice if PN of calipers was in the caliper column.

Think I found answer will read full thread from note 6 on pedia evo brakes
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  #28  
Old 4 Weeks Ago
John Harper John Harper is offline
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Quote:
Originally Posted by salmanmr View Post
Thank you, everyone, for the replies, complaints, and questions.

I have decided to go with the Wilwood Caliper GP310 for the front and the rear.

I have found an excellent deal for Wilwood Calipers+FS+no tax for non IL addresses.

each one costs $185
tottle cost: $370

Part Number for the Front Caliper: 120-7737-BK
Part Number for the Rear Caliper: 120-7741-BK

those are the links to have a quick look at it:

Front
https://rcagarage.com/shop/brakes-ro...waAugxEALw_wcB

Rear:
https://rcagarage.com/shop/brakes-ro...c-120-7741-bk/
That's a great price, thanks for the link.

John
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  #29  
Old 4 Weeks Ago
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Quote:
Originally Posted by keithnh View Post
I think there are 2 styles of front master attachment to handlebars, one involving clamping alone maybe and one the assembly locks into a lug? And the switches setup is different? Was hoping to use the mater caliper pair denoted in Sportsterpedia 45013-96 or 96D not sure I understand the nomenclature in the caliper column ?? for that master cylinder shows 2x39mm Kelsey Hayes and 8x33mm?? Would be nice if PN of calipers was in the caliper column.

Think I found answer will read full thread from note 6 on pedia evo brakes
I massaged the year a little so maybe it's a little more clear.
They used a 11/16" master for both the pre and post 2000 caliper change.
From 1996-1999, they had the Kelsey Hayes single piston calipers with (1 x 39mm) piston in each caliper (total of 2x39mm).
In 2000, they swapped to the 4-piston Kelsey Hayes calipers with (4 x 33mm) pistons in each caliper (total of 8 x 33mm).
I ran out of room in the chart to do a full brake system PN list.
I'll do a caliper and rotor chart eventually.
Just haven't gotten to it yet.
The master cylinder chart shows what masters were used (PN, build kit bore size, how many caliper pistons it pushes and their sizes.
I'll work up to showing the piston to caliper ratios on stock brake systems.
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