2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 148Get this manual
Cylinder block 2Select the suitable bearing color for the main bearing from the tableStamped marks and Bearing color Blue Black Brown #3
Assembling the cylinder block
1Assemble the piston 1, connecting rod 2, piston pin 3, and piston pin clips 4S6D55900