This part does degrade over the years, especially with modern lead free fuels, and it can play havoc with your carburetor and fuel system, it is safe bet to replace this item, especially if you have to remove or replace your fuel cock anyway. You may like to browse the catalogue for your Honda, you may be surprised at the stock we carry at CMS. We probably hold more new old stock for Honda, than any other dealer in Europe! Please check the model application list carefully before placing your order
