Mercury Mariner Outboards 2.2 / 2.5 / 3.0 Service Shop Manual, Page 41Get this manual
Remove screws (a) and remove reed retainer (b) and reed (c) If necessary, remove ball bearings from crankshaft as shown
Remove crankshaft assembly from cylinder blockIMPORTANT: DO NOT remove ball bearings from crankshaft unless replacement is necessary
aPressUniversal Puller Plate (91-37241)Ball Bearing
AWARNING