Specifications
- Manufacturer: Honda
- Model: BF4
- Type: Portables
- Type: 4-Stroke, OHV, 1 Cylinder / 2 Valves, water cooled
- Displacement: 127 cc / 7.75 cubic in.
- Bore & Stroke: 60 mm x 45 mm (2.36 x 1.77 in.)
- Full Throttle RPM Range: 4,500-5,500 RPM
- Propshaft Rated Horsepower (HP): 4 HP @ 5,000 RPM
- Cooling System: Water cooling with thermostat
- Fuel Delivery: 1 Carburetor
- Recommended Fuel: Unleaded Gas. (Min. Pump Octane 86)
- Tank Capacity: 1.5 L (0.33 Imp. gal.)
- Ignition System: Digital CDI
- Starting System: Recoil
- Exhaust: Under Water, above propeller
- Lubrication: Trochoid pump pressure lubrication
- Recommended Oil: SAE 10W30 FC-W® or API service classification SJ or later
- Oil Capacity: 0.55 L (0.48 Imp. qt)
- Transom angle: 5-Stage adjustment (4°-8°-12°-16°-20°)
- Tilt up Angle (when transom angle at 12°): 3-Stage adjustment (18°- 34°- 58°)
- Steering Angle: 45° right and left
- Gear Ratio: 2.08:1 (13:27)
- Gear Shift: F-N-R
- Alternator (Manual Start): Optional, 6 Amp/12 VDC charging kit
- Alternator (Electric Start): N/A
- Battery Charging Power: N/A
- Power Tilt: N/A
- Power Trim & Tilt: N/A
- Gas Assisted Tilt: N/A
- Oil Pressure Alert: Standard
- Over Rev-Limiter: Standard
- Temperature Alert: N/A
- Water in Fuel Alert: N/A
- Battery Condition Alert: N/A
- Speedometer Pickup: N/A
- Variable Speed Trolling Kit: N/A
- Rudder Meter Kit: N/A
- Tilt limit Kit: N/A
- Overall Width: 347 mm / 13.7 in.
- Overall length: 524 mm / 20.6 in.
- Overall Height: 1020 mm / 40.2 in. (SHNC) 1147 mm / 45.2 in. (LHNC)
- Transom Height (S-type): 434 mm / 17.1 in.
- Transom Height (L-type): 561 mm / 22.1 in.
- Propeller Type: 3-Blade (Aluminum)
- Standard Propeller (Diameter x Pitch - S-type): 200 mm x 150 mm / 7-7/8 x 5-7/8 in.
- Standard Propeller (Diameter x Pitch - L-type): 200 mm x 150 mm / 7-7/8 x 5-7/8 in.
- S-Type: 27 kg / 59.5 lb.
- L-Type: 27.5 kg / 60.6 lb.