Mercury Mariner Outboards 45 Jet 50 55 60 HP Models Service Manual, Page 524Get this manual
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Ride-Guide Steering Attachment Extension Couplers Outboard Center Line Distance 18 inthru 22-12 in(457mm thru 572mm) 22-12 inthru 24-12 in(572mm thru 622mm) 23-12 inthru 27-12 in(597mm thru 699mm) 26-