2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 141Get this manual
Power unit
Disassembling the cylinder block
1Remove the exhaust cover bolts in the sequence shown
6Remove the crankshaft, main bearings and oil sealsNOTE: Be sure to keep the main bearings in the order as they were removed7Remove the piston pin clips and piston pin, and then remove the piston
2Remove the thermostat cover3Remove the oil filter using 64 mm (2.5 in) oil filter wrenchS6AG5790
S6AG5840
S6AG5810