The Mcgard outboard lock is an outboard motor lock that fits most common motors. The bolt is secured through the transom and locked with a special nut that comes with a special tool.
For bolt 1/2"x20:
· Mercury/Mariner 40 HP and larger (2 stroke),
· Mercury 25 HP and larger (4 stroke),
· Suzuki 150 - 300 HP
