E1-13EMU00033BATTERY REQUIREMENTcCDo not use the battery that does notmeet the specified capacity. If differentbattery from the specification is used, theelectric system may perform poorly or beoverloaded, causing electrical systemdamage.Choose battery which meets the followingspecifications.If any electrical accessories are used, usea second battery to power them. Choosea battery with the same capacity as theone for the engine. If the engine’s batteryvoltage drops approximately 9 volts orbelow during operation or while starting,the electric fuel pump for Electronic FuelInjection system will not operate. Theengine can not be started if battery volt-age is too low.Minimum cold crank performance512 Amps at -17.8°C (0°F)Minimum reserve capacity182 Minutes at 26.7°C (80°F)EMU01395PROPELLER SELECTIONThe performance of your outboard motorwill be critically affected by your choice ofpropeller, as an incorrect choice couldadversely affect performance and couldalso seriously damage the motor. Enginespeed depends on the propeller size andboat load. If engine speed is too high ortoo low for good engine performance,this will have an adverse effect on theengine.