Yamaha WaveRunner Service Manual page 108

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CYLINDER HEAD.......................................................................................... 5-63
EXPLODED DIAGRAM ...........................................................................5-63
REMOVAL AND INSTALLATION CHART ............................................. 5-63
SERVICE POINTS .................................................................................. 5-65
Cylinder head removal ...................................................................... 5-65
Cylinder head inspection................................................................... 5-65
Cylinder head installation .................................................................. 5-66
VALVES AND VALVE SPRINGS.................................................................. 5-68
EXPLODED DIAGRAM ...........................................................................5-68
REMOVAL AND INSTALLATION CHART ............................................. 5-68
SERVICE POINTS .................................................................................. 5-70
Valve removal ...................................................................................5-70
Valve spring inspection ..................................................................... 5-71
Valve inspection ................................................................................ 5-71
Valve guide inspection ...................................................................... 5-72
Valve guide replacement................................................................... 5-73
Valve seat inspection ........................................................................5-75
Valve seat reface .............................................................................. 5-76
Valve installation ............................................................................... 5-78
CRANKCASE ................................................................................................5-80
EXPLODED DIAGRAM ...........................................................................5-80
REMOVAL AND INSTALLATION CHART .............................................. 5-80
SERVICE POINTS .................................................................................. 5-85
Crankcase disassembly .................................................................... 5-85
Crankcase inspection........................................................................5-86
Timing chain inspection..................................................................... 5-86
Crankcase assembly.........................................................................5-87
CONNECTING RODS AND PISTONS .......................................................... 5-90
EXPLODED DIAGRAM ...........................................................................5-90
REMOVAL AND INSTALLATION CHART .............................................. 5-90
SERVICE POINTS .................................................................................. 5-92
Connecting rod and piston removal .................................................. 5-92
Cylinder and piston inspection .......................................................... 5-93
Piston ring inspection ........................................................................5-94
Piston pin inspection .........................................................................5-96
Connecting rod inspection.................................................................5-97
Connecting rod and piston installation .............................................. 5-99
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