Additionally, we replaced the front Nissin radial master and rear brake master cup & piston kit.
This was my first time seeing a Nissin radial brake master piston.
The contact area shines brightly ★. So this is what they mean by not being able to push everything straight?
The back side shows no signs of wear. I thought maybe we should rotate it occasionally, but the cylinder is aluminum cast.
If we rotate it, it might rub again until a new contact mark forms, so…
There’s not much we can do to the master—just clean it, apply metal rubber sealant generously, and insert it gently.
The seal has been sitting in that tight space for so long it’s not “snappy” anymore. (The used one on the right)
The piston isn’t fully seated in the cylinder, but the condition is excellent.
At times like this I always think about RX100, but I’ll resist.
We gave it a silver touch-up and we’re done.
The hose to the reservoir tank is stiff, so once it arrives tomorrow we’ll install it and it’ll be complete.
