Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 59Get this manual
2) Stop the engine and remove the engine cover [I] THROTTLE STOPSCREW
3) Attach an engine tachometer and restart the engine
Follow the tachometer manufacturer's instructions4) After engine speed has stabilized, turn the throttle stop
screw to obtain the specified idle speedSpecified idle speed in neutral
50 min-1 (rpm)
5) Install the engine cover
8FUEL FILTER
Inspection
1) Remove the engine cover
2) Check the fuel filter for water accumulation or sediment, if water or sediment is found, replace the fuel filter
Replacement
Gasoline is highly flammable and explosiveYou can be burned or seriously injured when handling fuelKeep heat, sparks, and flame awayWipe up spills immediately1) Remove the right engine under cover