Yamaha 20C Owner's Manual

Also see for 20C: Service manual Owner's manual

4-145) Attach the filter assembly to thebracket with that the fuel hoses areattached to the filter assembly.6) Run the engine and check the filterand lines for leaks.1 Filter element2 O-ring3 Filter cap4 Filter housingGBEMK54110ADJUSTING IDLING SPEEDw8 Do not touch or remove electrical partswhen starting or during operation.8 Keep hands, hair and clothes awayfrom flywheel and other rotating partswhile engine is running.cCThis procedure must be performed whilethe outboard motor is in the water. Aflushing attachment or test tank can beused.ProcedureNOTE:A diagnostic tachometer should be usedfor this procedure.1) Start the engine and allow it to warmup fully in Neutral until it is runningsmoothly. If the outboard is mountedon a boat, be sure the boat is tightlymoored.207013qwer