Yamaha FT50C Service Manual page 87

Cylinder body ...............................................................................................5-35
Removing and installing the oil filter ........................................................ 5-37
Disassembling the cylinder body ............................................................. 5-37
Checking the piston diameter .................................................................. 5-38
Checking the cylinder bore ...................................................................... 5-38
Checking the piston clearance ................................................................5-39
Checking the piston rings ........................................................................5-39
Checking the piston ring grooves ............................................................ 5-40
Checking the piston ring side clearance.................................................. 5-40
Checking the piston pin boss bore .......................................................... 5-40
Checking the piston pin ...........................................................................5-40
Checking the connecting rod small end inside diameter ......................... 5-41
Checking the connecting rod big end side clearance ..............................5-41
Checking the connecting rod bolt ............................................................ 5-41
Checking the crankshaft ..........................................................................5-41
Checking the crankshaft main journal oil clearance ................................5-42
Checking the crankshaft pin oil clearance ............................................... 5-43
Selecting the crankshaft main journal bearing.........................................5-45
Selecting the connecting rod big end bearing .........................................5-45
Assembling the cylinder body.................................................................. 5-46
Installing the power unit...........................................................................5-49
62Y5A11
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