Engine Service Manual, 73-90 Evin/John 48-235 HP Clymer marine manuals offer comprehensive, detailed service information for outboard motors and stern drives, with the most up-to-date coverage in the industry. Geared towards the "do-it-yourself" owner, as well as the expert mechanic, every part of the assembly process and system is covered in detail, with each book containing hundreds of photos, drawings and tables. Item: 745981 OEM: B736 BS: X01733