Yamaha 40V Service Manual page 75

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CYLINDER HEAD, THERMOSTAT AND EXHAUST COVER....................... 5-21
EXPLODED DIAGRAM ........................................................................... 5-21
REMOVAL AND INSTALLATION CHART ............................................. 5-22
SERVICE POINTS ................................................................................... 5-23
Cylinder head inspection ................................................................ 5-23
Thermostat inspection .................................................................... 5-24
CRANKCASE AND CYLINDER BODY .......................................................... 5-25
EXPLODED DIAGRAM ........................................................................... 5-25
REMOVAL AND INSTALLATION CHART ............................................. 5-26
EXPLODED DIAGRAM ........................................................................... 5-27
REMOVAL AND INSTALLATION CHART ............................................. 5-28
SERVICE POINTS ................................................................................... 5-29
Cylinder body inspection................................................................ 5-29
Piston to cylinder clearance ........................................................... 5-30
Oil pump driven gear inspection ................................................... 5-30
Cylinder body and crankcase installation ..................................... 5-30
CRANK SHAFT AND PISTON ...................................................................... 5-31
EXPLODED DIAGRAM ........................................................................... 5-31
REMOVAL AND INSTALLATION CHART ............................................. 5-32
SERVICE POINTS ................................................................................... 5-33
Piston pin clip removal ................................................................... 5-33
Piston pin and small end bearing removal ................................... 5-33
Piston ring removal......................................................................... 5-33
Bearing removal .............................................................................. 5-33
Piston inspection ............................................................................. 5-33
Piston pin and small end bearing inspection................................ 5-34
Piston ring inspection ..................................................................... 5-35
Crankshaft inspection ..................................................................... 5-36
Piston and piston ring installation ................................................. 5-37
Crankshaft and piston installation ................................................. 5-37
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