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Outboard motor lock

McGard outboard motor locks are designed to secure the bolt fastening the outboard motor to the boat's transom. Simply replace one of the fitted nuts with a McGard safety nut. The quality and design of the McGard outboard motor locks are identical to our stern drive locks. An attempt to force open the lock causes a loose sleeve to rotate, but the lock itself remains fixed and your motor is protected against theft.

OUTBOARD MOTORTHREAD SIZEPRODUCT

Mercury/Mariner 40 hp and higher (2 stroke)
Mercury 25 hp and higher (4 stroke) 
Suzuki 150–300 hp

1/2-2074036

Yamaha 40 hp and higher (2 stroke)
Yamaha 30 hp and higher (4 stroke)
Honda 40 hp and higher
Suzuki 25–140 hp (from 2005)

M12 x 1.2574037
Johnson/Evinrude 40 hp and higher (2 stroke)1/2-1374038
*For almost all of the following outboard motors:

Honda 8-20 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 (also suitable for some 2 strokers up to 30 hp; please check the pitch circle diameter)

 

*Also for other small outboard motors with a 5/16" aperture in the motor's mount (sets include stainless steel bolts)

5/16-1874049
Nissan 25 hp and higher
Suzuki 25–140 hp (up to 2004)
Tohatsu 25 hp and higher
Johnson/Evinrude 40 hp and higher (4 stroke)
M12 x 1.7574054