Esepcially in the Runabout endurance classes the Yamaha FX-HO is a popular ski. The OEM clutch is mostly claimed a victim of the strong performance and long endurance those boats has to endure. TECH:Yamaha wave runner clutch. Can handle up to 500hp. Possible to change bearing without having to buy full clutch. 1 way bearing max torque 1500Nm ( 320Nm for OEM ) Full CNC and heat treated, made in Europe-AUSTRIA