Front brake master cylinder

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britaxcooper
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Posts: 88
Joined: Sat Oct 11, 2008 11:46 pm
Bike owned: NC30

Front brake master cylinder

Post by britaxcooper » Fri Oct 24, 2014 6:58 pm

Hi Guys,

Has anyone used a 5/8" bore front master cylinder on their NC30 with standard calipers? I rebuilt the calipers on my other halfs bike, fitted braided dual lines, bendix supersport pads and although I feel it is bled correctly the lever is a tad spongey. I have aftermarket "spazzo" levers so perhaps the ratio isn't quite right but they need to be on the largest span setting and the general feel of the brakes isn't sharp.

Perhaps it's the m/cyl that's needing a rebuild, but I was curious about fitting a larger bore before rebuilding or replacing the 14mm std item.

Neosophist
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Joined: Fri Jul 04, 2008 1:01 pm
Bike owned: CBR954

Re: Front brake master cylinder

Post by Neosophist » Sat Oct 25, 2014 4:59 am

ive never tried it personally but ive read on here a few people adviced against it.

It does sound like you have a problem wtih your master cylinder though, maybe there is air in the top,

Image

doube banjo with integrated bleed nipple is often good idea for the master cylinder, but a rebuild kit will probably help too.
xivlia wrote:i dont go fast on this bike so really do not need a rear brake.. /
vic-vtrvfr wrote:Ask xivlia for help, he's tackled just about every problem u could think of...

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