When overhauling the transmission, replacing as many of the wear items as possible will simplify the reassembly process and subsequent adjustments required to set up the gearbox correctly.
This will improve the change quality and help achieve a smooth, quiet running transmission assembly.
Other related parts you may wish to consider:
Don't forget to order all the gaskets, bearings and fasteners required in one economical shipment? Pro-workshop gasket sealant: 08C70K0234M to complete the job like a professional. Please note; this component may have other applications in the Suzuki model range so please check the part-number is right for your model before placing an order.