This component is one of a number you may require to complete a successful overhaul of the gearbox. It is perhaps an obvious thing to mention, but we will anyway, the more components that are replaced with new unworn parts with zero wear and/or damage, the quieter and more precise the gearbox and Gear change will be.
Related parts you may wish to consider:
(5 Stars) - Monday, January 29, 2018 My 1977 CB750Four broken the gear box during a trip in France. I immediately tought to CMS When the official worksop in Turin (Italy) told me he could not find there some spare parts to repair the bike, so I bought it at CMS together with some other required parts.
At a glance this double gear looks very fine in its envelope. Unfortunately until now I cannot check how it works because I didn't find yet the damaged fork which connects it (it is out of stock at CMS and results available only as used part in USA) but as usual I'm absolutely confident about CMS parts good quality.
If you want to discuss this GEAR, M.2.3, please go the forum and post a message.