YAMAHA Marine F4A Manual De Servicio página 122

POWR
Valve guide replacement ................................................................5-18
Valve seat refacing ..........................................................................5-19
Valve seat cutting guidelines..........................................................5-19
Valve lapping ...................................................................................5-20
Valve installation .............................................................................5-21
THERMOSTAT .............................................................................................5-22
EXPLODED DIAGRAM ..........................................................................5-22
REMOVAL AND INSTALLATION CHART..............................................5-22
SERVICE POINTS...................................................................................5-23
Thermostat inspection ....................................................................5-23
Anode inspection.............................................................................5-23
BREATHER VALVE ......................................................................................5-24
EXPLODED DIAGRAM ..........................................................................5-24
REMOVAL AND INSTALLATION CHART..............................................5-24
SERVICE POINTS...................................................................................5-25
Breather valve inspection ...............................................................5-25
Breather route inspection ...............................................................5-25
CRANKCASE AND CAMSHAFT .................................................................5-26
EXPLODED DIAGRAM ..........................................................................5-26
REMOVAL AND INSTALLATION CHART..............................................5-26
CRANKSHAFT AND CYLINDER BODY ......................................................5-27
EXPLODED DIAGRAM ..........................................................................5-27
REMOVAL AND INSTALLATION CHART..............................................5-27
OIL SPLASHER GEAR AND OIL SEAL HOUSING.....................................5-28
EXPLODED DIAGRAM ..........................................................................5-28
REMOVAL AND INSTALLATION CHART..............................................5-28
CONNECTING ROD AND PISTON .............................................................5-29
EXPLODED DIAGRAM ..........................................................................5-29
REMOVAL AND INSTALLATION CHART..............................................5-29
SERVICE POINTS...................................................................................5-30
Crankcase removal ..........................................................................5-30
Cylinder inspection..........................................................................5-30
Piston inspection .............................................................................5-30
Piston-to-cylinder clearance ...........................................................5-31
Piston pin inspection.......................................................................5-31
Piston ring inspection .....................................................................5-31
Crankshaft inspection......................................................................5-32
Camshaft inspection........................................................................5-32
Valve lifter inspection......................................................................5-33
Oil splash gear inspection ..............................................................5-34
Bearing inspection...........................................................................5-34
Oil seal housing inspection ............................................................5-34
Crankcase inspection ......................................................................5-34
Connecting rod oil clearance..........................................................5-34
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