Lower Unit Seal Kit – Fits Johnson Evinrude 85-125 HP (Replaces 18-2691, GLM 87611, Mallory 9-74114) family-yamaha-f25elr Locate and unbolt the lower

Locate and unbolt the lower unit (gearcase) from the outboard's main leg

and disconnect the battery's negative terminal

Remove the Old Isolator: Carefully twist and pull the old isolator boot off both connection points

Brand Part Number Notes Sierra 18-3557 Primary aftermarket reference Chrysler/Force Outboard F335068 70

Inspect for issues: Look for any signs of overheating

Lower Unit Seal Kit – Fits Johnson Evinrude 85-125 HP (Replaces 18-2691, GLM 87611, Mallory 9-74114) family-yamaha-f25elr Locate and unbolt the lowerLower Unit Seal Kit Fits Johnson Evinrude 85 125 HP This lower unit gearcase seal kit is designed for Johnson Evinrude 85, 100, and 125 HP outboard models (19711972) equipped with a large prop shaft. It provides the necessary components to restore seal integrity and prevent water intrusion or oil leaks in the gearcase. This kit is a direct replacement for several OEM and aftermarket part numbers, including Sierra 18 2691, GLM 87611, and Mallory 9