Specifications and requirements10Forward-neutral-reverseGear ratio:2.08 (27/13)Trim and tilt system:Manual tiltPropeller mark:FFuel and oil:Recommended fuel:Regular unleaded gasolineMin. research octane:90Fuel tank capacity:25 L (6.60 US gal, 5.50 Imp.gal)Recommended engine oil:YAMALUBE 2-stroke outboard motoroilLubrication:Oil injectionEngine oil tank capacity:0.7 L (0.74 US qt, 0.62 Imp.qt)Recommended gear oil:Hypoid gear oil SAE#90Gear oil quantity:0.370 L (0.391 US qt, 0.326 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)Noise and vibration level:Operator sound pressure level (ICOMIA39/94 and 40/94):91.1 dB(A)Sound power level (ICOMIA 39/94 and40/94):98.0 dB(A)Vibration on tiller handle (ICOMIA 38/94):Vibration on tiller handle is under 2.5m/s2EMU33554Installation requirementsEMU33563Boat horsepower ratingWARNINGEWM01560Overpowering a boat can cause severeinstability.Before installing the outboard motor(s), con-firm that the total horsepower of your mo-tor(s) does not exceed the boats maximumhorsepower rating. See the boat’s capacityplate or contact the manufacturer.EMU33571Mounting motorWARNINGEWM01570 Improper mounting of the outboard mo-tor could result in hazardous condi-tions such as poor handling, loss ofcontrol, 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 page25.EMU33581Remote control requirementsWARNINGEWM01580 If the engine starts in gear, the boat canmove suddenly and unexpectedly, pos-sibly causing a collision or throwingpassengers overboard. If the engine ever starts in gear, thestart-in-gear protection device is notworking correctly and you should dis-continue using the outboard. Contact