McGard Outboard Motor Lock

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Theft Protection for Outboard Motors.

McGard outboard motor locks are designed to lock the outboard onto the transom of the boat. Simply replace one of the mounting nuts with a McGard locking nut. McGard outboard motor locks are identical in quality and construction to our stern drive locks. A free-spinning collar turns if attacked by gripping tools, protecting you against costly outboard motor theft and the resulting inconvenience.

 

OUTBOARD MOTOR THREAD PART #
Mercury/Mariner 40 HP and larger (2 stroke)
Mercury 25 HP and larger (4 stroke)
Suzuki 150 - 300 HP
1/2-20 74036
Yamaha 40 HP and larger (2 stroke)
Yamaha 30 HP and larger (4 stroke)
Honda 40 HP and larger
Suzuki 25 - 140 HP (2005 and newer)
M12 x 1.25 74037
Johnson/Evinrude 40 HP and larger (2 stroke) 1/2-13 74038
*Fits most of the following outboards:
  • Honda 8-30 HP
  • Johnson/Evinrude 6-30 HP
  • Mercury/Mariner 8-25 HP
  • Nissan 8-18 HP
  • Suzuki 8-30 HP
  • Tohatsu 8-18 HP
  • Yamaha 8-25 HP (Lock may fit some 2 strokes up to 30 HP, verify hole diameter)
*Will fit other small outboards with a 5/16" hole in the transom bracket for mounting the motor (stainless steel bolt included in set).
5/16-18 74049
  • Nissan 25 HP and larger
  • Suzuki 25 - 140 HP (2004 and earlier)
  • Tohatsu 25 HP and larger
  • Johnson/Evinrude 40 HP and larger (4 stroke)
M12 x 1.75 74054