Yamaha F8F Owner's Manual

Also see for F6D: Ower's manual

Operation49(3) Disconnect the fuel line if you are usingan external fuel tank.TIP:If the outboard motor is equipped with an en-gine shut-off cord, the engine can also bestopped by pulling the cord and removing theclip from the engine shut-off switch.EMU27855Procedure(1) Turn the main switch to “ ” (off).(2) After stopping the engine, disconnectthe fuel line or close the fuel cock if thereis a fuel joint or a fuel cock on the boat.(3) Tighten the air vent screw on the fueltank cap (if equipped).(4) Remove the key if the boat will be left un-attended.TIP:The engine can also be stopped by pullingthe cord and removing the clip from the en-gine shut-off switch, then turning the mainswitch to “ ” (off).EMU27865Trimming outboard motorEWM00741Excessive trim for the operating condi-tions (either trim up or trim down) cancause boat instability and can make steer-ing the boat more difficult. This increasesthe possibility of an accident. If the boatbegins to feel unstable or is hard to steer,slow down and/or readjust the trim angle.The trim angle of the outboard motor helpsdetermine the position of the bow of the boatin the water. Correct trim angle will help im-prove performance and fuel economy whilereducing strain on the engine. Correct trimangle depends upon the combination ofboat, engine, and propeller. Correct trim isalso affected by variables such as the load inthe boat, sea conditions, and running speed.ZMU07906ONOFFZMU01779