2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 50Get this manual
MAINTENANCE FUEL SYSTEM
FUEL SYSTEM
Breather and Fuel Line
If leakage, cracks, swellingor other damage is found, replace the breather line andor the fuel line
BATTERY
Check battery connections frequentlyPeriodically remove battery to clean and service connections
WARNING
Battery electrolyte is acidic-handle with careIf electrolyte contacts any part of the body, immediately flush with water and seek medical attention Confirm that battery meets the minimum engine requirements Connections must be clean and tightDisconnect battery negative (-) cable first and the battery positive (+) cable last004810
Clean all terminals, battery posts, and connectors with solution of baking soda and waterUse wire brush or battery terminal tool to remove corrosion buildupRinse and clean all surfacesReinstall battery and tighten connections securelyRefer to Battery Installation on p32