2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 97Get this manual
Cylinder block 5-43 Disassembling the cylinder block 5-47 Checking the piston diameter 5-47 Checking the cylinder bore 5-48 Checking the piston clearance 5-48 Checking the piston rings 5-48 Checking the piston ring grooves 5-49 Checking the piston ring side clearance 5-49 Checking the piston pin boss bore 5-49 Checking the piston pin .5-50 Checking the connecting rod small end inside diameter 5-50 Checking the connecting rod big end side clearance 5-50 Checking the crankshaft 5-50 Checking the crankpin oil clearance 5-51 Selecting the connecting rod bearing 5-52 Checking the crankshaft main journal oil clearance 5-53 Selecting the crankshaft main bearing 5-54 Disassembling the oil pump5-55 Checking the oil pump 5-55 Assembling the oil pump .5-55 Assembling the piston and cylinder block 5-56 Checking the thermostat5-60 Installing the power unit.5-60