Water pumps usually fail for one of three main reasons: use of the wrong coolant, failing to purge and replenish coolant that has been in the system too long, or simply wear and tear over years of use.
Whatever the reason, the best results can be achieved by renewing as many parts of the assembly as possible.
Other coolant pump related parts you may wish to consider:
Add as many components as you wish to the same shopping cart, new bearings 933060010511H1243810 & correct spec hose clamps 90450380409046711090 for example, and still only pay the same single fixed price shipping cost.
Pro-workshop gasket sealant 08C70K0234M easy to apply with great results.
This component may have other applications within the Yamaha model range, so check by part number rather than the description.