Yamaha F90D - Page 66

6D81G11
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Cylinder block ..............................................................................................5-39
Disassembling the cylinder block ............................................................5-40
Checking the piston diameter ..................................................................5-40
Checking the cylinder bore ......................................................................5-41
Checking the piston clearance ................................................................5-41
Checking the piston rings ........................................................................5-41
Checking the piston ring grooves ............................................................5-42
Checking the piston ring side clearance..................................................5-42
Checking the connecting rod big end side clearance ..............................5-43
Checking the crankshaft ..........................................................................5-43
Checking the crankpin oil clearance........................................................5-43
Selecting the connecting rod bearing ......................................................5-45
Checking the crankshaft journal oil clearance .........................................5-46
Selecting the main bearing ......................................................................5-47
Assembling the power unit ......................................................................5-49
Installing the power unit...........................................................................5-51