Original Mercury Electric Outboard Thruster II Models owners manual for 1985 and prior models. For serial numbers 6300953 and up. OEM part number is 90-11238 684. Manual is used and shows some wear but has no missing or ripped pages. Picture is a scan of the front cover of the booklet you will receive. 26 pages in length. Free shipping via US First Class Mail. International available at actual cost.