Performance Loss

Related KB links

• Gearcase: Gearcase Lubricant Recommendation

  Spec · Mercury or Quicksilver High Performance Gear Lubricant

• Setting Trim Angle While Running Engine at Idle Speed

  Procedure · 1. Check if the exhaust relief hole on the outboard is submerged when the engine is trimmed full in while running at idle speed. WARNING: Submerged exhaust relief hole may result in exhaust restriction, rough idle, ex...

• Gearcase: Saltwater/Polluted Water – Gearcase Position (Moored, Not In Use)

  Spec · Tilted up, gearcase completely out of water conditions={"environment":"Saltwater or polluted water (except freezing temperatures)"}

• Operating at High Elevations

  Procedure · 1. The engine automatically compensates for high elevation changes. No manual adjustment is required. 2. Consider fitting a different pitch propeller to help reduce normal performance loss resulting from reduced oxyge...

• Performance Loss

  Diagnostic · Cause: Low water pressure