Johnson Evinrude Outboard Motors 1956-1970 1.5-40hp repair manual., Page 45Get this manual
DISASSEMBLING Parts MUST be cleaned and thoroughly inspected before they are assembled, installed, or adjustedUse proper lubricants, or their equivalent, whenever they are recommendedKeep rods and rod caps together as set to ensure they will be installed as pair and in the proper sequenceNeedle bearings MUST remain as complete setNEVER mix needles from one set with anotherIf only one needle is damaged, the complete set MUST be replaced3-3 POWERHEAD DISASSEMBLING Cylinder block proper circulation
Preliminary Work Before the powerhead can be disassembled, the battery must be disconnected; fuel lines disconnected; and the carburetor, generator, starter, flywheel, and magneto, all removedIf in doubt as to how these items are to be removed, refer to the appropriate chapterAfter the accessories have been removed, remove the bolts in the front and rear of the power head securing the powerhead to the exhaust housingLift the power head freeBAD NEWS If the unit is several years old, or if it has been operated in salt water, or has not had proper maintenance, or shelter, or any number of other factors, then separating the powerhead from the exhaust housing may not be simple taskAn air hammer may be required on the studs to shake the corrosion loose; heat may have to be applied to