Honda Outboards BF40A/BF50A Service Manual, Page 4Get this manual
HONDA BF3SA4SA
Model Type Displacement Bore stroke Rated power Maximum torque Compression ratio consumption ratio [gfPShr) 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 1: Full throttle r.p.mrangeBF35A
4-stroke, O.H.C, 3-cylinder SOS cm (49.4 cu in) 70 70 mm (2.8 2.8 in)
35 HP (26.1 kw)4,600-5,600 min- (r.p.m!45 HP (33 .S kwI5.000-S.000 min- (r.p .m 6.0 kg-m (43.4 ft-Ib) 3,500 min- (r.p.m
I 6.05 kg-m (43.8 ft-Ibl 4,500 min-
!210 Forced water circulation by impeller pump with thermostat COl
5-32 B.T.D.CDR7EA (NGKIX22ESR-U (NIPPONDENSOI Horizontal type, butterfly valve (3 carburetorl Pressure lubrication by trochoid pump 2.4 (2.54 US qt, 2.11 Imp qtl Electric 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 Underwater type SAE 10 W-3040