Koso Cam Chain Tensioner – compatible with Grom & Monkey

The Koso High Performance Cam Chain Tensioner (MU623000) is made from high quality materials that could save your engine from expensive damage. Koso came up with this long lasting solution to replace the OEM chain tensioner which has a tendency to wear out prematurely. *Please note: Compatible with 2014-2021 fits Grom Koso Part MU623000Includes Washer - only to be applied if chain tensioner is too tight