Honda BF9.9A-BF15A Outboard Motors Shop Manual., Page 27Get this manual
MAINTENANCE SCHEDULE REGULAR SERVICE PERIOD Perform every indicated operating hour intervals, whichever comes firstITEM Engine Gear case Check level Change Check level Change Check water contamination Starter rope Carburetor linkage Check Check-Readiust Clean-Readjust Check Grease Clean Replace Check Check (Replace necessary) EACH
F IRST MONTH OR 20 (2)
EVERY MONTHS 100 (2)
Valve clearance Spark plugs Propeller (cotter pin) Lubrication Fuel tank