Sportster dual disc brake upgrade - parts list
#52
Thank you for these parts numbers been looking everywhere
The '07 XL 883 Roadster is the only 883 version of the Sportster (in '07) to come with dual disc brakes, and the parts are black. The '07 & '08 XL 1200 Roadster is the only 1200 to come with dual disc and the parts are silver. There is no mechanical difference in the parts between the 883 and the 1200 versions; in this case ONLY the color is different. I'll provide you part numbers for the Black version since the bike in question was getting done in black. I'll make the assumption you'll be ordering and replacing all applicable parts. You can pare down the list as necessary.
I hope this helps someone out.
right fork slider - 46449-08
left fork slider - 46450-08
right caliper - 42877-07
left caliper - 42897-07
right brake disc - 44136-00
dual brake hose - 45319-04A
master cylinder - 45052-07
oil seals - (2x) 45378-87
brake line guide/clip - 45074-95
Note: There are small parts, bolts, crush washers, etc., that you can hunt down. You may or may not need new oil seals. Just grab them locally. They're cheap.
*EDIT* - please note, this is known to apply to 883s and 1200s with cast wheels. Machines with laced wheels may not have a dual disc capable hub on the front rim and may need updating.
I hope this helps someone out.
right fork slider - 46449-08
left fork slider - 46450-08
right caliper - 42877-07
left caliper - 42897-07
right brake disc - 44136-00
dual brake hose - 45319-04A
master cylinder - 45052-07
oil seals - (2x) 45378-87
brake line guide/clip - 45074-95
Note: There are small parts, bolts, crush washers, etc., that you can hunt down. You may or may not need new oil seals. Just grab them locally. They're cheap.
*EDIT* - please note, this is known to apply to 883s and 1200s with cast wheels. Machines with laced wheels may not have a dual disc capable hub on the front rim and may need updating.
Thank
you man!
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Rob Roy's Revenge (07-05-2023)
#53
Someone above said they were late to this thread back in 2016
Heading for retirement and just bought my first Harley which is supposed to be a 1200 Sportster but I don't think there's much Harley left tbt. Can someone please help me get these brakes to work. No idea what they are or what I can update them with but they are total ****:
Res
Front Calliper
Heading for retirement and just bought my first Harley which is supposed to be a 1200 Sportster but I don't think there's much Harley left tbt. Can someone please help me get these brakes to work. No idea what they are or what I can update them with but they are total ****:
Res
Front Calliper
#55
I could be wrong, but that looks like either an Ultima or DNA 'billet' front end (inverted).
http://www.ultimaproducts.com/41mm_front_ends.html
The brake appears to be an Ultima 4-piston.
https://www.ebay.com/itm/332707813802
Have you tried bleeding the system ? or rebuilding the caliper and master cylinder ?
good luck,
T.
http://www.ultimaproducts.com/41mm_front_ends.html
The brake appears to be an Ultima 4-piston.
https://www.ebay.com/itm/332707813802
Have you tried bleeding the system ? or rebuilding the caliper and master cylinder ?
good luck,
T.
#56
The braking action is normal but you have to grab the leaver as hard as you can to get minimal braking effect
#58
I could be wrong, but that looks like either an Ultima or DNA 'billet' front end (inverted).
http://www.ultimaproducts.com/41mm_front_ends.html
The brake appears to be an Ultima 4-piston.
https://www.ebay.com/itm/332707813802
Have you tried bleeding the system ? or rebuilding the caliper and master cylinder ?
good luck,
T.
http://www.ultimaproducts.com/41mm_front_ends.html
The brake appears to be an Ultima 4-piston.
https://www.ebay.com/itm/332707813802
Have you tried bleeding the system ? or rebuilding the caliper and master cylinder ?
good luck,
T.
I ran some fresh fluid through to the calliper but no change unfortunately and the fluid coming out was not that bad
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