1974 Johnson 135 HP Outboard Motors Service manual, Page 60Get this manual
5 12 polished to dull lusterSee Figure 5-23Finish surfacing with No180 eme ry cloth Cylinder block and rankcase must be completely clean of all foreign matte prior to reassemblyUse Solvasol for cleaningDO NOT scratch cylinder head gasket surfaces of cylinde r
Figure 5-23Surfaci ng Cylinder Head CRANKSHAFT SEAL RINGS Check crankshaft seals for excessive wearcrankshaft websD Page 5-15BEARINGS aAll areas where the bearings are to be serviced should be kept free from accumulations of oil and dirt to avoid damage to the bearingsDO NOT spin ball or oller bearings before they are cleaned, as dirt in the raceways may cause serious damagebPlace bearings in wire basket and immerse in solvent such as Solvaso!The tank hould have screened false bottom to prevent settlings from being tirred up into the bearingsAgitate basket frequently until grease, oil, and ludge are thoroughly loosened and can be flush ed outBearings that contain especially heavy carbon deposits or hardened gr ease hould be soaked in separate container of solventcUsing pray gun with air filter and clean solvent, flus each bea ring until all dirt and residue are removedTurn one of the races lowly while flushing to help dis lodge dirt from around balls and separa tor pocketsBlow solvent out of bearingsusing dry, filtered air, being careful not to spin bearings by force of airdSince dr bearings rust apidly, lubricate them at once in light, clean oilRotate them few times nd, afte draining the excess oil, place them in covered container until eassemblyeDiscard bearings which how any of the following: (1) Rusted balls, rollers, or raceways(2) Fractured raceThis may be caused by forcing cocked bearing off sbaft, or by too heavy pr ess fitSeal rings should fit nugly See