Don't use substitutes, choose only correctly factory specified replacement parts - a fulcrum pin like this has a job to do and when it is the right part you know that job will be carried out perfectly, now and over the longer term.
For more high quality parts to assist you with your refurbishment, browse the schematic or Product Gallery for your model - take a more informed decision when placing your order. CMS - the company that most enthusiasts choose when buying their Japanese motorcycle spares.