Specifications and requirements14Propeller mark:KFuel and oil:Recommended fuel:Regular unleaded gasolineMin. pump octane:86Recommended engine oil:4-stroke outboard motor oilRecommended engine oil group 1*:SAE 10W-30/10W-40/5W-30API SE/SF/SG/SH/SJ/SLRecommended engine oil group 2*:SAE 15W-40/20W-40/20W-50API SH/SJ/SLLubrication:Wet sumpEngine oil quantity without replacement ofoil filter (Oil pan capacity):4.3 L (4.55 US qt, 3.78 Imp.qt)Engine oil quantity with replacement of oilfilter (Oil pan capacity):4.5 L (4.76 US qt, 3.96 Imp.qt)Amount of adding engine oil (at Periodicmaintenance) Excluding oil filter:3.5 L (3.70 US qt, 3.08 Imp.qt)Amount of adding engine oil (at Periodicmaintenance) Including oil filter:3.7 L (3.91 US qt, 3.26 Imp.qt)Recommended gear oil:Hypoid gear oil SAE#90Gear oil quantity:0.670 L (0.708 US qt, 0.590 Imp.qt)Tightening torque for engine:Spark plug:25.0 Nm (2.55 kgf-m, 18.4 ft-lb)Propeller nut:35.0 Nm (3.57 kgf-m, 25.8 ft-lb)Engine oil drain bolt:28.0 Nm (2.86 kgf-m, 20.7 ft-lb)Engine oil filter:18.0 Nm (1.84 kgf-m, 13.3 ft-lb)EMU33553Installation requirementsEMU33563Boat horsepower ratingWARNINGEWM01560Overpowering a boat can cause severe in-stability.Before installing the outboard motor(s), con-firm that the total horsepower of your motor(s)does not exceed the boats maximum horse-power rating. See the boat’s capacity plate orcontact the manufacturer.EMU33571Mounting motorWARNINGEWM01570 Improper mounting of the outboard mo-tor could result in hazardous conditionssuch as poor handling, loss of control,or fire hazards. Because the motor is very heavy, spe-cial equipment and training is requiredto mount it safely.Your dealer or other person experienced inproper rigging should mount the motor usingcorrect equipment and complete rigging in-structions. For further information, see page44.EMU33581Remote control requirementsWARNINGEWM01580 If the engine starts in gear, the boat canmove suddenly and unexpectedly, pos-sibly causing a collision or throwingpassengers overboard.©2019 Yamaha Motor Corporation, U.S.A.