Rear shock and mounting assembly will require overhauling in as little as 20K Kilometers, especially if the machine has carried two up for some serious touring with luggage. The mounting bushes along with associated parts and fittings are the usual culprits that when worn can and do affect the handling negatively.
You may wish to add this component and some of those listed below to your shopping cart:
Add as many parts as you wish to the same shopping cart, new nuts 9560112100 and seal 9310918020 for example, and still only pay the same single fixed price shipping cost.
This component may have other applications in the Yamaha model range. Double check the part-number is correct for your model prior to ordering?