Circlip

If you are refurbishing the master cylinder assembly because it is just old and worn, or because of accident damage, it is pretty obvious, with such a vital component, that safety is of paramount importance - but it also has to retain an aesthetic appeal.
Renewing as many parts as you can afford will tick both of those important boxes!
You may wish to consider these related items:

3TJW258700
4SVW258700
3TJW004150
3XVW004150
3FV2589A00
56A2586700
3TJ8392200
3TJ8392201
3FV2589F00
3FV2589400
3FV2585200
3GM2585250
3FV2585400
2J22585550
3FV2589G00
3TJ2582F01
3GM2585F00
3TJ2629200
3TJ2613100
10L2346900
3TJ2587201
3TJ2587301
1J72588501
11U2588500

Add as many items as you wish to the same shopping cart, new O-ring seals 9321015566 washers 9290606600 9290104600 & nuts 9561606100 for example, and still only pay the same single fixed price shipping cost.

This component may have other, sometimes unrelated, applications within the Yamaha model range. So, please always check by the part-number rather than the description.

If you are considering engine work then give this pro-workshop gasket sealant 08C70K0234M a try?