Yamaha 30D Owner's Manual

Also see for 30D: Owner's manual Owner's manual Owner's manual Service manual

General information4static sparks.CAUTION:ECM00010Use only new clean gasoline which hasbeen stored in clean containers and is notcontaminated with water or foreign mat-ter.EMU25580GasolineIf knocking or pinging occurs, use a differentbrand of gasoline or premium unleaded fuel.EMU25650Engine oilIf the recommended engine oil is not avail-able, another 2-stroke engine oil with anNMMA-certified TC-W3 rating may be used.EMU25690Battery requirementCAUTION:ECM01060Do not use a battery that does not meetthe specified capacity. If a battery whichdoes not meet specifications is used, theelectric system could perform poorly orbe overloaded, causing electric systemdamage.For electric start models, choose a batterywhich meets the following specifications.EMU25720Battery specificationsEMU25730Without a rectifier or RectifierRegulatorCAUTION:ECM01090A battery cannot be connected to modelsthat do not have a rectifier or RectifierRegulator.If you wish to use a battery with the modelswithout a rectifier or Rectifier Regulator, in-stall an optional Rectifier Regulator.Using a maintenance-free battery with theabove models can shorten the life of the bat-tery significantly.Install an optional Rectifier Regulator or useaccessories rated to withstand 18 volts orhigher with the above models. Consult yourYamaha dealer for details on installing anoptional Rectifier Regulator.EMU25742Propeller selectionThe performance of your outboard motor willbe critically affected by your choice of propel-ler, as an incorrect choice could adverselyaffect performance and could also seriouslydamage the motor. Engine speed dependson the propeller size and boat load. If enginespeed is too high or too low for good engineperformance, this will have an adverse effecton the engine.Yamaha outboard motors are fitted with pro-pellers chosen to perform well over a rangeRecommended gasoline:Regular unleaded gasoline with a min-imum octane rating of 90 (ResearchOctane Number).Recommended engine oil:YAMALUBE 2-stroke outboard motoroilMinimum cold cranking amps (CCA/EN):30DEO 347.0 A30DETO 347.0 AMinimum rated capacity (20HR/IEC):30DEO 40.0 Ah30DETO 40.0 Ah