1985 OMC 65, 100 and 155 HP Models Commercial Service Repair manual, PN 507450-D, Page 228Get this manual

1985 OMC 65, 100 and 155 HP Models Commercial Service Repair manual, PN 507450-D, Page 228

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Replacement of Upper Main Bearing Seal155 The presence of oil under the flywheel indicates leaking upper main bearing sealTo replace the seal, the bearing must be removed from the crankshaftFollow the

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