SELVA MARINE Blue Whale 250 EFI, Service Manual

Page: 113 / 377

6P23H11
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Crankcase ..................................................................................................... 5-53
Cylinder block .............................................................................................. 5-55
Disassembling the cylinder block ............................................................ 5-57
Checking the piston diameter .................................................................. 5-58
Checking the cylinder bore ...................................................................... 5-58
Checking the piston clearance (reference).............................................. 5-58
Checking the piston ring .......................................................................... 5-58
Checking the piston ring end gap (reference) ......................................... 5-59
Checking the piston ring groove .............................................................. 5-59
Checking the piston ring side clearance.................................................. 5-59
Checking the piston pin boss bore .......................................................... 5-59
Checking the piston pin ........................................................................... 5-60
Checking the connecting rod small end inside diameter ......................... 5-60
Checking the connecting rod big end side clearance .............................. 5-60
Checking the crankshaft .......................................................................... 5-61
Checking the crankpin oil clearance........................................................ 5-61
Selecting the connecting rod bearing ...................................................... 5-63
Checking the crankshaft journal oil clearance ......................................... 5-63
Selecting the main bearing ...................................................................... 5-64
Disassembling the oil pump..................................................................... 5-65
Checking the oil pump ............................................................................. 5-66
Assembling the oil pump ......................................................................... 5-66
Assembling the power unit ...................................................................... 5-67
Installing the wiring harness .................................................................... 5-72
Installing the power unit........................................................................... 5-73