1994 Johnson Evinrude "ER" 60 LV 150, 150C, 175 Service Manual, P/N 500611, Page 139Get this manual
Re':1 ove center main bearings and split sleeves for Inspectionrings from pistonsDiscard the rings
23 25Using an appropriate ring expander, remove all piston 1241 26tool a.s drawn 4-6, remove all wrist pin retaining ringsDiscard retaining rings
1251 27The wrist pin fit is loose on both sidesPush the wrist pin
through to free the piston from the connecting rodIf necessary, use OMC Driver PIN 396747 and OMC Piston Cradle PIN 326572 to remove the wrist pin bearing28Be careful not to lose any of the 28 needle bearings or the two wrist pin washersIf any of the bearings are worn or lost, replace all 28 bearings during reassemblyPrior to inspection and assembly, thoroughly clean all powerhead internal componentsCleaning Before inspecting or assembling powerhead, all internal components must be perfectly clean and free of contaminants1Remove any carbon accumulation from exhaust port areas2Remove any carbon accumulation from cylinder head combustion chambers3If cylinder walls are glazed from extended use, use medium grit cylinder hone to resurface wallsUse slow RPM to achieve an strong "crosshatch" pattern for best oil retention and ring sealingTo avoid piston or cylinder block damage, restore the chamfer to all port edges using ball hone or other suitable toolTo avoid personal injury, wear eye protection and rubber