Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 216Get this manual
Model Type Displacement Bore stroke Rated power Maximum torque Compression ratio Fuel consumption ratio Cooling system Ignition system Ignition timing Spark plug Carburetor Lubrication system Lubrication capacity Starter system Stopping system Fuel Fuel tank capacity Fuel pump Exhaust system Recommended oil
BF30A 4-stroke, O.H.C 3-cylinder 499 cm3 (30.5 cu in) 58 63 (2.3 2.5 in)
1: 30 PS (22.1 kW) at 5,700
min-1 (rpm)
36.3 N-m (3.7 kg-rn, 26.8 ft-lb) at 4,500 min-I )
9.2:l 291 gkWh (214 g1PS-h, 0.48 Iblhp-h) Forced water circulation by impeller pump with thermostat CDI32' B.T.D.CDR7EA (NGK), X22ESR-U (NIPPONDENSO) Horizontal type, butterfly valve (3 carburetor) Pressure lubrication by trochoid pump 1.9 (2.00 US qt, 1.67 Imp qt) Electric starter or Recoil starter Grounding of primary circuit Regular automotive gasoline (86 pump octane; unleaded preferred) 25 (6.6 US gal, 5.5 Imp gal) Mechanical plunger type Thru-hub SAE 5W30 (API Classification Fuel Efficient SG, SH)