Honda 25HP BF25D3LRG 4-Stroke Outboard – 20″ Shaft, Remote Mechanical, Electric Start
The Honda BF25D3LRG is a 25HP 0.53L inline-three four-stroke outboard motor featuring a 20-inch shaft and remote mechanical steering interfaces.
- Engine type: Four-stroke I3 527cc SOHC block.
- Fuel system: Three-carburetor design for crisp throttle response.
- Shaft length: 20 inch long shaft size.
- Features: High-output 10-amp charging for onboard batteries.
- Control: Remote mechanical cable control system.
Description
Honda BF25D3LRG 25HP Outboard Motor
In order to resolve the requirement for mechanical reliability and consistent thrust on standard transoms, the Honda 25HP BF25D3LRG 4-Stroke utilizes a 552cc 3-cylinder architecture. This engineering configuration provides a balanced power delivery required for 20-inch transom applications requiring a remote mechanical rigging interface for tactile operator control. By utilizing a long-stroke design and Programmed Fuel Injection, the platform ensures exceptional low-end torque for rapid hull planning on fiberglass or aluminum utility hulls. The gas-assist tilt system provides a lightweight alternative for motor positioning on vessels that do not require full hydraulic power trim functionality.
Maintaining operational longevity while adhering to stringent environmental mandates ensures the Honda 25HP BF25D3LRG delivers the marine propulsion platform reliability required by commercial mariners. Protection against saltwater corrosion is achieved through specialized 4-Front Corrosion Protection and sacrificial anodes supported by a robust freshwater flushing mechanism within the engine block. The high-output alternator delivers steady electrical current to sustain onboard navigational electronics and maintain battery health during intense maritime operations. This robust mechanical framework ensures thermal stability and structural reliability even when the engine is subjected to continuous high-load propulsion cycles.
Key Features of Honda 25HP BF25D3LRG
- 25HP 4-stroke delivers smooth and quiet 3-cylinder power
- Programmed Fuel Injection (PGM-FI) optimizes fuel atomization
- 160 lbs chassis provides excellent vessel agility
- 20 inch shaft clears standard transoms
- Gas-assist tilt allows for simplified motor adjustment
- Multi-stage cooling prevents internal saltwater corrosion
- 5 year warranty includes nationwide service network
Honda 25HP BF25D3LRG Specs
| Brand | Honda Marine |
| Full Model Code | BF25D3LRG (Signature Silver) |
| Country of Origin | Japan |
| Engine Family/Series | L3 Series |
| Engine Type | Inline 3 / 6-Valve SOHC / 4-Stroke |
| Displacement | 0.53 Liters (527 cc) |
| Horsepower | 25 HP @ 5500 RPM |
| Full Throttle RPM Range | 5000 - 6000 RPM |
| Fuel Induction System | 3-Carburetor System w/ Accelerator Pump |
| Alternator Output | 10 Amps |
| Gear Ratio | 2.08:1 |
| Shaft Length | 20" (Long) |
| Dry Weight | 70.5 kg (155 lbs) |
| Bore x Stroke | 61 x 60 mm |
| Starting & Steering System | Electric w/ Remote Mechanical Control |
| Trim/Tilt Method | Gas Assist / Manual Tilt (Model G) |
| Oil Capacity | 1.9L |
| Recommended Fuel | 86 Octane |
| Standard Warranty | 5-Year Non-Declining |
| Application | Reliable, smooth 3-cylinder power for small pontoons and aluminum fishing boats. |
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