SELVA MARINE Kingfish 25 Service Manual page 148

Checking the valve ................................................................... 7-40
Checking the valve guide ......................................................... 7-41
Replacing the valve guide ........................................................ 7-41
Checking the valve seat ........................................................... 7-42
Refacing the valve seat ............................................................ 7-43
Checking the rocker arm and rocker arm shaft ........................ 7-44
Checking the camshaft............................................................. 7-45
Checking the spark plug........................................................... 7-45
Checking the cylinder head anode ........................................... 7-46
Assembling the cylinder head .................................................. 7-46
Exhaust cover
............................................................................ 7-49
Removing the exhaust cover.................................................... 7-51
Removing the thermo sensor ................................................... 7-51
Removing the oil pressure switch............................................. 7-51
Removing the oil filter............................................................... 7-51
Checking the exhaust cover ..................................................... 7-51
Checking the exhaust cover anode .......................................... 7-51
Checking the thermostat .......................................................... 7-52
Installing the oil filter................................................................. 7-52
Installing the oil pressure switch............................................... 7-52
Installing the thermo sensor ..................................................... 7-52
Installing the exhaust cover...................................................... 7-53
Cylinder block
........................................................................... 7-54
Disassembling the cylinder block ............................................. 7-56
Checking the piston diameter................................................... 7-57
Checking the cylinder bore....................................................... 7-57
Checking the piston ring........................................................... 7-57
Checking the piston ring end gap............................................. 7-58
Checking the piston ring groove............................................... 7-58
Checking the piston ring side clearance................................... 7-58
Checking the piston pin boss inside diameter .......................... 7-58
Checking the piston pin diameter ............................................. 7-59
Checking the connecting rod small end inside diameter
and big end inside diameter ..................................................... 7-59
Checking the connecting rod big end side clearance............... 7-59
Checking the crankshaft........................................................... 7-59
Checking the crankpin oil clearance......................................... 7-60
Selecting the crankpin bearing ................................................. 7-61
Checking the crankshaft journal oil clearance.......................... 7-61
Selecting the crankshaft journal bearing .................................. 7-63
Assembling the cylinder block .................................................. 7-63
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