Professionally developed under strict guidelines for use in the Graves Yamaha factory race bikes. 

These tensioners are high quality, precision engineered pieces. They use a fine thread unlike the coarse thread seen on competitors' tensioners. This allows for more precise adjustment. The body of the adjuster is also braced, preventing the flex commonly seen on other tensioners. Instead of blocking the OEM oil passage as seen on other units, the Graves unit redirects oil onto the cam chain for better lubrication and less friction while your engine is operating.

Note: You will need need a replacement timing cover gasket and cam chain tensioner gasket from your local Yamaha dealer. 

Fitment: R1 / R1S / R1M 2009-2023, FZ-10 2017, MT-10 2018-2023, SUPER TENERE