Outboard Motor Lock

Protect the valuable propeller of your outboard or stern drive motor against theft! This is how it works:
Simply replace one of the fitted nuts with a McGard locking nut which can only be opened with the corresponding key.

McGard outboard motor lock 74036SU can be used for the following models:

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

Outboard motor lock set 74036SU includes:
1 locking nut, thread size ½-20
1 key
1 code card