This manual covers the following models 2005 Yamaha AR230 HO / SX230 HO Boat . This Service manual is fully bookmarked, It is just like the manual the dealer uses to do any repairs or maintenance. You can zoom in or out on any page the illustrations will not get blurry. This manual is not scans it was created in .pdf format. It covers all aspects of Service and Repair, Everything you could want to know about your boat all in one!