SR400, oil seal exchange at the place of the flywheel

I went to Naoyan ‘s house to see the SR of Naoyan.I also got on the SR.↑↑

Although this SR 500 has been exhibited at Yahoo auction, I am riding about once a week in order to check if there is a problem in maintenance and trouble.

Oh, there was. This is Naoyan ‘s SR ↓.I will exchange the oil seal on the flywheel side of the crank today. Because it is leaking.

By the way, I also exchanged my SR500. Because it was leaking.

First of all, I have bad news before changing the oil seal.

I heard that the male screw coming out of the crank here was overtightened, thinking it was a reverse screw.It is common in SR that we break this screw.

We have establish a countermeasure method.Cut the male screw on the crank side,Tap off,Make it a female screw,I will stop it with bolts.

It is a transsexual surgery in human terms.

In this way, take the oil seal.

Push in a thin screwdriver.Privately, PB’s 0 minus is ◎.

Way of taking an oil seal here,There are other theories, such as removing with a tapping screw,I think that this method is better.

I was able to remove it.Surprisingly there is a crankside bearing just beyond the oil seal.Near.

I Insert a new seal, but because the diameter of the seal is big, it is best to put it in “finger power”.On the contrary, if you try to insert it with a large iron cylinder or the like, it will be inclined.It moves straight in a tilted state.

Exchange completed.

Combine coils

We assembled a flywheel and tightened the screws. No torque is Hang.

It is necessary to tap off.

It was already dark when I came home.The temperature has gradually declined.Cold.

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