Overhauling the transmission? Renewing as many of the high wear prone items at the same time will attain the best results. Interfacing used parts with new may lead to premature wear of the new parts and a less smooth and somewhat noisier transmission.
Other transmission related components you may wish to consider:
Add as many components as you wish to the same shopping cart, new washer 9020921332 circlip 9900920400 & bearings 93306205509330690602 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.