2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 154Get this manual
Power unit
10Apply Gasket Maker to the mating surface of the crankcase11Insert the projection of the bearing into the notch in the crankcase
6Install half of the bearings into the cylinder block 07Insert the projection of the bearing into the notch in the cylinder block
E S69J5F10
NOTE: Install the main bearings in their original positions8Set the crankshaft A, and oil seal B, and thrust bearings into the cylinder block as shown