Yamaha F50F - Power Unit

POWR
6C13G11
Power unit
Special service tools .....................................................................................5-1
Power unit.......................................................................................................5-3
Checking the compression pressure .........................................................5-3
Checking the oil pressure ..........................................................................5-3
Checking the valve clearance....................................................................5-4
Removing the power unit.........................................................................5-14
Removing the timing belt and sprockets..................................................5-15
Checking the timing belt and sprockets...................................................5-16
Installing the timing belt and sprockets....................................................5-17
Cylinder head ...............................................................................................5-19
Removing the cylinder head ....................................................................5-23
Checking the valve springs......................................................................5-24
Checking the valves ................................................................................5-24
Checking the valve guides.......................................................................5-25
Replacing the valve guides......................................................................5-25
Checking the valve seat ..........................................................................5-26
Refacing the valve seat ...........................................................................5-27
Checking the rocker arms and rocker arm shaft......................................5-29
Checking the camshaft ............................................................................5-29
Checking the cylinder head .....................................................................5-30
Checking the oil pump .............................................................................5-31
Installing the valves .................................................................................5-31
Installing the camshaft.............................................................................5-32
Installing the rocker arm shaft assembly .................................................5-32
Installing the oil pump..............................................................................5-33
Installing the cylinder head ......................................................................5-34
Exhaust cover ..............................................................................................5-35