Since I changed the front caliper, I decided to overhaul the rear caliper as well. The rear rotor was pretty worn out, and I figured if I’m going to disassemble that much, I might as well take apart the caliper too.
The rotor is a genuine Honda part, and the pads are Endless MX72.
I removed the piston with air and replaced the dust boots. Since the genuine boots were hard to get, I ordered Seiken ones instead. The inside of the caliper was pretty clean, but I cleaned it with parts cleaner and a brush.
Reassembled in reverse order and bled the air. The SST made a huge difference when installing the piston. I probably couldn’t have done it without it…
After testing it around the neighborhood with no issues, I took it to Sodegaura Circuit for a proper test.
It was slightly wet, so I couldn’t push as hard as last time, but the overhaul itself was fine, and there was no strange behavior from the rear under braking, so all good.
The rotor is properly heat-cycled now, and the pads have bedded in nicely. Since the friction material contact extends all the way to the center of the disc, I can confirm the slide pins are moving properly.
I still felt the rear lifting sensation when braking into turns 3-4, so it seems like the only solutions are adjusting my driving style or adding a rear wing. But I don’t really want to change the looks, so I’m still thinking about it…
