Protecting boat-owners from outboard theft

There can be little worse than heading out for a day's boating only to find someone has stolen your outboard motor, leaving you to deal with the loss, painful insurance issues, the costly excess or replacement of the engine and a ruined weekend. Thankfully, help is at hand from Outboard Motor Loc Ltd (OML).

We have been designing outboard motor locks since 1992 and have made locks for Honda, Yamaha, Suzuki & Tohatsu.

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Small Slot Lock

We make five models of insurance approved slot lock because our extensive research and development has shown the importance of having the correct size of lock for the outboard motor you have.  The Small Slot Lock is designed specifically for Honda and Suzuki 2-3hp.


Atlantic Slot Lock

The Atlantic Slot Lock is our most substantial insurance approved outboard motor lock and is made in four lengths: 170mm, 195mm, 230mm and 260mm; each with a 14mm slot. A high security locking head (HSH) is supplied as is a black dust cap and a rubber liner.

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The Volcano

The Volcano Bolt Lock represents the pinnacle of OML’s insurance approved bolt lock development. It is now regarded by many in the industry as the best bolt lock on the market as it has been designed and built to resist removal by the most robust actions.


We use modern, highly skilled British manufacturers for our metalwork and select components assembled by design engineers and fitters to maintain tight quality control.

Made from high grade (nickel/chrome marine 316) stainless steel, incorporating marine friendly lock mechanisms that perform well in a saltwater, marine environment, our locks promise the best quality that will last.

Few, if any, other manufacturers offer locks of this standard, indeed many products on the market will fail after only a short time in a marine environment.  Your outboard is valuable and vulnerable so why compromise on your outboard security?

No outboard is insured unless it is locked on with an insurance approved lock.

Outboard Motor Loc Ltd researches, designs and creates all of its own products and we pride ourselves that our aftersales advice and service is second to none, so if you have any questions please do not hesitate to contact us