Yamaha FT50C - Power Unit

POWR
62Y5A11
Power unit
Special service tools .....................................................................................5-1
Power unit.......................................................................................................5-3
Checking the compression pressure .......................................................5-13
Checking the oil pressure ........................................................................5-13
Removing the power unit.........................................................................5-13
Timing belt and sprockets...........................................................................5-16
Removing the timing belt and sprockets..................................................5-17
Checking the timing belt and sprockets...................................................5-18
Installing the sprockets and timing belt....................................................5-18
Cylinder head ...............................................................................................5-21
Removing the cylinder head ....................................................................5-24
Checking the valve springs......................................................................5-25
Checking the valves ................................................................................5-25
Checking the valve guides.......................................................................5-26
Replacing the valve guides......................................................................5-26
Checking the valve seat ..........................................................................5-27
Refacing the valve seat ...........................................................................5-28
Checking the rocker arms and rocker arm shaft......................................5-30
Checking the camshaft ............................................................................5-30
Checking the cylinder head .....................................................................5-31
Checking the oil pump .............................................................................5-31
Installing the valves .................................................................................5-32
Installing the camshaft.............................................................................5-33
Installing the rocker arm assembly ..........................................................5-33
Installing the cylinder head ......................................................................5-34