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New Atlantic 230mm outboard motor lock with rubber insert to improve fit and rattling.

The Atlantic 230mm Slot Lock is our most substantial outboard motor lock and is made in two lengths: 195mm and 230mm, each with a 14mm slot. A high security locking head is supplied with a black dust cap.

These outboard slot locks are recommended by Mariner, Mercury, Suzuki, Honda Tohatsu and Yamaha. See below for a list of engines this item fits.

If you are unsure as to which Slot Lock you require, please measure across the width of your toggles once aligned together.

If less then 150mm then a Baltic lock is required
If less then 160mm then an Atlantic 195 is required
If over 160mm then it will be an Atlantic 230 required

Atlantic 230mm Slot lock for engines:
HONDA: All electric start models plus 25hp and 30hp
MARINER/MERCURY: 9.9hp, 15hp
TOHATSU, NISSAN: 8hp, 9.8hp,15hp, 20hp and 25hp.
Yamaha 15hp, 20hp 4 stroke 2007 onwards


Atlantic 230 outboard lock £65.95
Atlantic 230mm outboard motor lock made here in the UK from high grade 316 stainless steel. Insurance approved outboard lock.
Postage £5.95
Total £71.90


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