I assembled it because the seal arrived.

Just looking at the new inner tube holds expectation.

The internal spring and color are carefully cleaned, are assembled.
It is most safe to wash immediately before assembling.

The viscosity of the fork oil blended 10 and 15 and had 12.5.
It was okay to put only 15 and make it 15.But, I decided to use it because 10 oil remained.
This is a picture before I throw away the weighing container.I use the measuring cup of paint made by MonotaRO.

I overhaul the fork and also exchange stem bearings.

It does not seem to be in a so bad condition.
This is an outer race that I removed.

There was a little line on the upper side.
The stem is the condition that is bad for bearing.It is fixed at the same angle and receives vibration there.
If it is rotating, the grease is repeatedly painted by the needle and cage, and the oil film is regenerated.But, when an angle is fixed, an oil film is cut, and metal comes into contact.
Surprisingly, metals are floating on the oil film.In a state called elastic lubrication or boundary lubrication.

It seems to call it fretting wear.It seem to be able to restrain it by the choice of the grease.
If I examine it, there is each maker various grease.
The grease which the bearing maker sells is probably safe.So because they tested it.
There was the maker which sold in 180 kg of units.I cannot use all it.

I will exchange it for a new bearing.
I bought NSK’s HR32005XJ and HR32006XJ.
This is not genuine parts are generic products.Because though it is the same thing, it is cheap.

I restored it so far.

When it comes to an old bike, it is the point rust of the inner tube of the front fork that can be said as fate.
Fork oil leaks by scraping the seal with rust.

Also in this vehicle one fork was leaking.
I got lost, but I bought an inner tube.It was very expensive.
The new item is shiny and beautiful.

I also exchange wheel bearings and stem bearings.
This is not a genuine parts, bought a general-purpose part.Wheel bearing bought a C3 clearance.
I will also exchange the seal on the front caliper.I overhauled all of the caliper and master.But I forgot to order only one.I will disassemble it once more.
The inside of the caliper was quite rusty.But, as of now there is no leak of fluids.

There are quite a lot of parts to replace.

I will remove the wheel and pull out the fork.

I will remove the bottom bolt.

And remove the oil.Pretty black oil came out.

After removing the oil, such parts come out when they separate an inner tube and an outer tube.

I will also change all the internal parts.

I knock on metal, using old metal.

I intended to put a seal next.But I noticed that I had forgotten to order.

I will leave it as it is until the parts arrive.