2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 120Get this manual
Power unit Troubleshooting 5-1 Special service tools 5-10 Power unit 5-13 Checking the compression pressure 5-25 Checking the oil pressure 5-25 Removing the power unit 5-26 Timing belt and sprockets 5-29 Removing the timing belt and sprockets 5-31 Checking the timing belt and sprockets 5-32 Installing the timing belt and sprockets 5-32 Cylinder head 5-35 Removing the cylinder head 5-39 Checking the valve springs 5-40 Checking the valves 5-40 Checking the valve guides 5-41 Replacing the valve guides 5-41 Checking the valve seat 5-42 Refacing the valve seat 5-43 Checking the rocker arms and rocker arm shaft 5-45 Checking the camshaft 5-45 Checking the cylinder head 5-46 Checking the oil pump 5-47 Installing the valves 5-47 Installing the camshaft 5-48 Installing the rocker arm assembly 5-49 Installing the cylinder head 5-49