When carrying out carburettor refurbishment it is always easier to use brand new parts, new screws with fresh threads for example, and of course a fresh appearance helping the visual appeal as well as ease of assembly.
Other carburettor related components, listed below, will help both the mechanical function and the cosmetic appearance:
Add as many components as you wish to the same shopping cart, new screws 985010501698507040129850704014 & O-ring seals 3541414700 for example, and still only pay the same single fixed price shipping cost.
This component may have other applications and uses within the Yamaha model range.