Yamaha F50A Service Manual page 127

Cylinder body ...............................................................................................5-51
Removing and installing the oil filter ........................................................ 5-55
Disassembling the cylinder body ............................................................. 5-55
Checking the piston diameter .................................................................. 5-56
Checking the cylinder bore ...................................................................... 5-56
Checking the piston clearance ................................................................5-57
Checking the piston rings ........................................................................5-57
Checking the piston ring grooves ............................................................ 5-58
Checking the piston ring side clearance.................................................. 5-58
Checking the piston pin boss bore .......................................................... 5-58
Checking the piston pin ...........................................................................5-58
Checking the connecting rod small end inside diameter ......................... 5-59
Checking the connecting rod big end side clearance ..............................5-59
Checking the connecting rod bolt ............................................................ 5-59
Checking the crankshaft ..........................................................................5-59
Checking the crankshaft main journal oil clearance ................................5-60
Checking the crankshaft pin oil clearance ............................................... 5-61
Selecting the crankshaft main journal bearing.........................................5-62
Selecting the connecting rod big end bearing .........................................5-63
Assembling the cylinder body.................................................................. 5-64
Installing the power unit...........................................................................5-67
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