Diagnostic
Gap between transom clamp and boat transom
Cause: Non-flat or stepped transom mounting surface exceeding 3.17 mm (0.125 in.) tolerance
Diagnostic
Cause: Non-flat or stepped transom mounting surface exceeding 3.17 mm (0.125 in.) tolerance
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Ask Boat Guru about thisSpec · 3.175 mm (0.125 in.) conditions={"context":"Accessory mounting plate must not rest in the radius of the transom clamp bracket","section":"Outboard Installation"}
Procedure · 1. Use a dial torque wrench to determine transom strength. Tighten the mounting bolt or nut while monitoring the dial reading. 2. If the bolt or nut continues to turn without the torque reading on the dial increasing,...
Spec · 75 Nm conditions={"note":"Transom must not yield or crack under this torque; if it does, transom must be strengthened or load carrying area increased","equivalent_imperial":"55 lb-ft"}
Procedure · 1. Ensure the accessory mounting plate does not rest in the radius of the transom clamp bracket. Maintain a minimum clearance of 3.175 mm (0.125 in.) between the edge of the accessory bracket and the transom clamp bra...
Diagnostic · Cause: Transom is yielding (insufficient structural strength) Test: Apply dial torque wrench to mounting bolt/nut and observe whether torque value increases with rotation