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Ironhead Sportster Motorcycle Talk (1957-1985) For all those that wanna talk about Ironhead Sportster Motorcycles

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  #1  
Old 4 Weeks Ago
Kit352 Kit352 is offline
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Default Brake replacement help

I could use a bit of guidance on buying brake parts for my ironhead. Long story short is i dragged it out a shed after sitting for a dozen years and have it running well but the front brakes are giving me grief. While the bike is a 71 it has a newer single disc front end on it. I assume its off a 76 as the rubber line is dated 1976 but it may be a different year. It has a pie caliper and sifton star master cylinder. The caliper looks to be in really good condition but everything else is a mess. The line itself is crack and old and the Sifton master is flaking and the piston is seriously stuck. I had 400psi against it today and its stil a no go. If it was in better shape i would keep working at but since its in such poor shape im just going to replace it.
The thing that is driving me to drink is finding the correct parts. Do i try to find a master that has a bottom flare nut fitting like it was originally or do i go with a modern unit with a banjo and try to find a line with a banjo on one end and a flare nut for the caliper? My bike also doesnt have a front brake light switch and its probably a good time to fit one. I am not having much success finding parts. Do i need to go the custom route for such an old machine?
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Old 4 Weeks Ago
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Pie caliper is 74-77. Banjo or OEM, the choice is yours. You can find an OEM brake line, ya gotta hunt for it. (HINT - Sporty Parts, Old Bike Barn) With the banjo style, yer gonna have to make (banjo to cylinder, flare to caliper) the brake line. Consider semi-metallic pads, they WILL stop ya. As for the Master Cylinder, check out ebay (or the HINT.)
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Would this work - eBay item number:383920833313
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I use Russel or similar aftermarket hoses and adapters for all my brake lines.
The hoses last longer and provide a firmer brake feel.
The hoses are universal and are available in any length, and share a #3 AN style fitting.
The adapters convert the termination fitting style to the #3 AN so the hose can be connected between the MC and the Caliper.
All together it's a bit more expensive, but the fittings are reusable and replacing just a hose is cheaper and you only need a length.
Most fittings and hoses are available in stainless, chrome, and black.
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Old 4 Weeks Ago
84rzv500r 84rzv500r is offline
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Quote:
Originally Posted by ryder rick View Post
I use Russel or similar aftermarket hoses and adapters for all my brake lines.
The hoses last longer and provide a firmer brake feel.
The hoses are universal and are available in any length, and share a #3 AN style fitting.
The adapters convert the termination fitting style to the #3 AN so the hose can be connected between the MC and the Caliper.
All together it's a bit more expensive, but the fittings are reusable and replacing just a hose is cheaper and you only need a length.
Most fittings and hoses are available in stainless, chrome, and black.
Yep I agree, I use Russel and Speigler too. An added benefit is that you can adjust the "indexing" of the lines to curve the way you want them ...
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