Yamaha F40H Owner's Manual

Also see for F40G: Owner's manual

Maintenance83(1) Apply Yamalube Marine Grease or acorrosion resistant grease to the propel-ler shaft.(2) Install the spacer (if equipped), thrustwasher, washer (if equipped), and pro-peller on the propeller shaft. NOTICE:Make sure to install the thrust washerbefore installing the propeller. Other-wise, the lower case and propellerboss could be damaged. [ECM01882](3) Install the spacer (if equipped) and thewasher. Tighten the propeller nut to thespecified torque.(4) Align the propeller nut slot with the pro-peller shaft hole. Insert a new cotter pinin the hole and bend the cotter pin ends.NOTICE: Do not reuse the cotter pin.Otherwise, the propeller can come offduring operation. [ECM01892]TIP:If the propeller nut slot does not align with thepropeller shaft hole after tightening the pro-peller nut to the specified torque, tighten thenut further to align the slot with the hole.EMU2928CChanging gear oilEWM00801 Be sure the outboard motor is securelyfastened to the transom or a stablestand. You could be severely injured ifthe outboard motor falls on you. Never get under the lower unit while itis tilted, even when the tilt support leveror knob is locked. Severe injury couldoccur if the outboard motor accidental-ly falls.(1) Tilt the outboard motor so that the gearoil drain screw is at the lowest point pos-sible.(2) Place a suitable container under thegear case.(3) Remove the gear oil drain screw andgasket. NOTICE: If there is an exces-sive quantity of metal particles on themagnetic gear oil drain screw, thiscan indicate lower unit problem. Con-1. Cotter pin2. Propeller nut3. Washer4. Spacer5. Propeller6. Thrust washerPropeller nut tightening torque:34 N·m (3.4 kgf·m, 25 lb·ft)123456ZMU08159