The Manual Store carries the best selection of boat motor manuals on the internet. Each boat manual contains information on how to service and repair your boat engine. Looking for a wiring diagram? All of our repair manuals contain wiring diagrams as well hundreds of illustrations which will help you follow the step by step instructions explained in the manual. Troubleshooting, maintenance, and tune-up information can help you maintain your boat without the need to take your boat into the dealer for expensive repairs.