Diagnostic
Cause: Excessive trim-in (trim under) causing the bow to plow into the water; unexpected turn can occur when any turn is attempted or a significant wave is encountered Test: Check trim angle; install stainless steel tilt pin in transom bracket adjustment hole to limit trim-in travel
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Ask Boat Guru about thisSpec · 24 to 40 km/h (15 to 25 mph) conditions={"condition":"Shallow water or suspected underwater obstacles"}
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...
Spec · Tighten until seats, then back off 1/4 turn
Procedure · 1. Tilt the outboard to the full up position and engage the tilt support lever. 2. Remove the fill cap and check the fluid level. The fluid level should be even with the bottom of the fill hole. Add Quicksilver or Mer...
Diagnostic · Cause: Excessive trim-out (trim up) condition Test: Reduce trim angle and observe whether porpoising and ventilation cease