Removing and fitting front fork seals

Because the old original front fork seals were leaking I bought a couple of new ones. The only problem was how to remove the old fork seals.
The seals are hidden in the so called "outer nuts".

Outer nut front fork Yamaha LS3 1972

You cannot simply push them out because there's a thread on the other side of the outer nut.
So I took a big washer, shaved it a bit so it was just small enough to pass the threaded part and big enough to lay on top (actually it's the bottom...) of the old seal.

Then I took a threaded rod, a 36 mm socket and a smaller socket that fitted in the 36 mm socket a big washer and 2 nuts. Spray some WD40 on the edge of the old seal, hold one nut with a vise grip and start turning the other nut. The old seal will come out nicely without scratching the inside of the outer nut.

Seal removal front fork Yamaha LS3 1972

Seal removal front fork Yamaha LS3 1972

Seal removed front fork Yamaha LS3 1972

After nickel plating the outer nut I treated the inside with fish oil to prevent further rusting. Next thing was fitting the new seal. I used almost the same tools as mentioned above.

Inside the outer nut

Fish oil treatment

Fitting new fork seal Yamaha LS3