2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 28Get this manual
INSTALLATION AND PREDELIVERY
BOAT RIGGING
Battery Installation
Each outboard requires its own starting batterySelect battery that meets or exceeds the minimum requirementsMinimum 12 Volt Battery Recommendations 360 CCA (465 MCA), 50 amp-hr minimum Location and Preparation Proper installation will prevent battery movement while underway Secure all batteries in protected locations Position battery as close to the outboard as possible Battery location must provide access for periodic maintenance Use battery mounting trays or battery boxes on all battery installations Connections and terminals must be covered with an insulator Battery connections must be clean and free from corrosion Read and understand the safety information supplied with the battery before installation
Install starwasher on the threaded battery postStack cables from the outboard, then cables from accessoriesFinish this connection with hex nut
Marine Style Battery Post 1Starwasher 2Hex nut 3Terminal Insulator