Yamaha Outboard Motors Factory Service Manual F6 and F8, Page 266Get this manual
CAMSHAFT AND VALVES CAMSHAFT AND VALVES REMOVINGINSTALLING THE CAMSHAFT AND VALVES
Step 10 11 12 13
JobPart Locknut Rocker arm adjusting screw Rocker shaft Spring Collar Collar Rocker arm Cam shaft Oil seal Valve spring lock Valve spring retainer Valve spring Valve spring seat