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Rear Brake Master Cylinder

  • Thread starter Thread starter Elielrosario
  • Start date Start date
Don't forget to remove the pistons from the caliper and clean that out too. You can't do a complete job until you break down both caliper and master, AND replace the brake line.
 
I found the stupid hole, used a wire strand and cleaned it!

Just test rode around downtown (Orlando) and over to a coffee shop and they seem to be working well.
 
Nessism said:
Don't forget to remove the pistons from the caliper and clean that out too. You can't do a complete job until you break down both caliper and master, AND replace the brake line.
Click to expand...

Yeah, I replaced all caliper parts (pistons, seals and everything except the pads), brake line, and all m/c parts too.

Thanks guys, hopefully this continues to work.
 
Did you use OEM Suzuki brake system parts? Aftermarket brake system parts are hit or miss sometimes. Other thing that comes to mind is to inspect the master cylinder for pitting in the piston bore. Maybe the piston is hanging up somehow.
 
Yes, all oem parts.

I did see some light spots of pitting, but seemed to be "within" the walls, not extending out of the cylinder walls.
Do you think this would still cause it to "hang up"?
 
Not sure about slight pitting causing the piston to hang up. Something isn't right (obviously). Somehow the return port is blocked.
 
A couple months ago I bought a m/c off a gsxr-750 (hoping to upgrade from the stock m/c and caliper), but the stock mounting bolts don't fit the newer m/c. From research I've done I've found that from 1978 (or '79) through present the mounting bolts are a bit thinner.
Does anyone have an idea if the m/c's structure would be compromised if these mounting holes would be drilled to fit the stock bolts?
 
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