Front brake master cylinder - Honda Foreman Forums : Rubicon, Rincon, Rancher and Recon Forum
 
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post #1 of 7 (permalink) Old 10-10-2012, 09:23 PM Thread Starter
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Front brake master cylinder

I put new components in the the front drum of the brakes such as the cylinders and new pads and along with that put a rebuild kit in the master cylinder and a new lever(it was missing). So after i squeezed the lever about 5 times the piston
got stuck all the way back in the master cylinder.
Is there any way to get this unstuck?

Last edited by Jeremy450rider; 10-10-2012 at 09:30 PM.
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post #2 of 7 (permalink) Old 10-10-2012, 10:16 PM
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take the brake line off and blow a little compressed air in the master ...that will get it back then wd-40 the crap out of the button for the lever

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post #3 of 7 (permalink) Old 10-10-2012, 11:09 PM Thread Starter
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ok i will try that tomarrow

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post #4 of 7 (permalink) Old 10-11-2012, 02:57 PM Thread Starter
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So i took the piston back out of the master cylinder and i was wondering what way does the spring go that is behind the piston? Also the rubber ring that goes on the piston where does it go on it?
I had the spring in there with the big end of the spring going in first and the rubber ring i have it at the top of the part of the piston that looks threaded. Is this correct?

2003 Honda Foreman 450S
26x12x12 Maxxis Mud Bugs Rear
26x10x12 Itp Mud Lites Front
Highlifter Springs
Snorkel
Carb Mod
Front Disk Brake Conversion

http://www.youtube.com/user/Hondamud...s?feature=mhee

2003 Honda 400ex - SOLD

2004 Honda Rancher 350 4x4 - SOLD

2004 Honda Rubicon 500 - Project
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post #5 of 7 (permalink) Old 10-11-2012, 03:13 PM
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click on this link .....
Dirt Cheap Honda & Arctic Cat OEM Parts & Accessories Cycle Parts Outlet

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SOLD




sold all my crappy Hondas .....lol
sold !2007 Suzuki kingquad 700 for fun
2018 Yamaha grizzly 700 se





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post #6 of 7 (permalink) Old 10-11-2012, 03:19 PM Thread Starter
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Thats how i have it and the piston goes in then comes out about half way then stops

2003 Honda Foreman 450S
26x12x12 Maxxis Mud Bugs Rear
26x10x12 Itp Mud Lites Front
Highlifter Springs
Snorkel
Carb Mod
Front Disk Brake Conversion

http://www.youtube.com/user/Hondamud...s?feature=mhee

2003 Honda 400ex - SOLD

2004 Honda Rancher 350 4x4 - SOLD

2004 Honda Rubicon 500 - Project

Last edited by Jeremy450rider; 10-11-2012 at 03:52 PM.
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post #7 of 7 (permalink) Old 10-13-2012, 10:24 PM
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Take it back apart and use a 1/4" wood dowel a few inches long, cut a split in the end with a hacksaw, get some 400 grit or finer sandpaper and put through the split in the dowel you may have to double or triple it to get it to stay in, now chuck this in your die grinder or drill and polish it up. Over the years I have ran into alot of these sticking and this is what I always do when I rebuild a master cylinder, it doesn't take alot of this to do the job. Also if it is not a new piston make sure it is clean, especially in the groove that the rubber goes in. And make sure you open the tiny little hole in the bottom of the reservoir while the piston is out.

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