[TW125curacao]

OUT2.8cmxIN1.9cmx01.mm
I took out the rear wheel and the inner/outer diameter equals the rear axle's dimensions.
However I cannot find it on the exploded view diagrams anywhere.

It is a very thin washer ring. So where does it go?

 

[Errtu]

Pictures help

 

[TW125curacao]

Here you go

 

[NorthernSpy]

Between the axle nut an the adjuster snail.

 

[TW125curacao]

No that one is 2 mm thick. This one is is 0.1mm thick.

 

[Manu73]

I don't know what model bike you have or if you were the only owner or not, but I think that washer (0.1mm thick) was not originally on the rear axle, maybe it is missing the "COVER, HUB DUST" #31 and they put that on it?

 

[Laconeznamy]

You still have the other washer on the other side? If so, I suggest putting it between the swingarm and the snail, since it looks like that would be the most useful/likely location.

 

[meatshieldChris]

that may actually belong under the swingarm side seals. Sounds like the swingarm spacing adjustment washer. Maybe someone stuck it in in the wrong spot?

 

[BDubsTDub]

Bike’s together- it goes in the Trash can!

 

[TW125curacao]

that may actually belong under the swingarm side seals. Sounds like the swingarm spacing adjustment washer. Maybe someone stuck it in in the wrong spot?

@ Chris, yes that was the one.
This was the one in between #31 and the swingarm.
I will buy one for the other side #18 as that one is missing.
Thanks. Yamaha did not put it there for no reason.

 

[ZXtasy]

Muffler bearing retaining washer....now you are screwed....

 

[meatshieldChris]

@ Chris, yes that was the one.
This was the one in between #31 and the swingarm.
I will buy one for the other side #18 as that one is missing.
Thanks. Yamaha did not put it there for no reason.

I was thinking of #8 here https://tw200.org/manuals/tw200_2008-parts.pdf page C14 #8

It's not always required, and usually it's only under one side. Check the service manual pdf. There's a procedure for measuring if the washer is required and how many and which side to put it under.

If #18 in your pdf is missing, it should be nearly 30mm of space between the brake and the swingarm! There should be no washers between the wheel spacers and the inside of the swingarm, it would be very difficult to install there. There is a little dust cover, plastic, on the sprocket side spacer though, that just presses onto the spacer with finger pressure.

 

[TW125curacao]

Thanks.
Yes I stumbled upon this washer while degreasing the swingarm for a repaint.
Now I know.
So i guess when I put everything together the washer will keep the play within specs.
Swingarm side play (at the end
of the swingarm)
1.0 mm

 

[meatshieldChris]

Thanks.
Yes I stumbled upon this washer while degreasing the swingarm for a repaint.
Now I know.
So i guess when I put everything together the washer will keep the play within specs.
Swingarm side play (at the end
of the swingarm)
1.0 mm

degreasing for paint, that's something I should probably do. Last time I did some welding on it I just sprayed some gray paint straight over it, over all of the dirt and mud and everything

 

[TW125curacao]

degreasing for paint, that's something I should probably do. Last time I did some welding on it I just sprayed some gray paint straight over it, over all of the dirt and mud and everything

 

[TW125curacao]

Degreased, put ospho on it for de-rusting and primer. Now waiting for the paintjob.

 

[TW125curacao]

It sure was worth the effort, Now it can get muddy and salty again for the next 10 years...