Yamaha Outboard Motors Factory Service Manual F6 and F8, Page 238Get this manual
THERMOSTAT, TIMING BELT AND GEARS THERMOSTAT, TIMING BELT AND GEARS REMOVINGINSTALLING THE THERMOSTAT, TIMING BELT AND GEARS
Step 10 11 12 13
JobPart Clamp Water hose Bolt (with washer) Thermostat cover Gasket Thermostat Timing belt Nut Lock washer Plate washer Drive gear Woodruff key Bolt