Honda BF35A-BF45A Outboard Motors Shop Manual., Page 286Get this manual
Engine Does Not Run Smoothly Engine starts, but stalls soonIdle speed is not stable or stalls
+ Faulty Automatic
Spark plug faulty-
SE (Starting
Inspect: P5-18 and 19
Enrichment) valveClean and adjust or replace (see base shop manual)Adjust (see base shop manual)
Carburetor pilot screw andlor throttle stop screw misadjustedCarburetor slow circuit clogged
Overhaul and clean carburetor: P5-1 thru17 Drain the carburetor and prime againIf still not good, check the carburetor float valve
Overflowed carburetor