Honda 250HP BF250DLDA iST Outboard Motor – 20″ Shaft
The 250-horsepower Honda BF250DLDA iST outboard motor uses a 20-inch shaft for compatible lower-transom configurations. Its electronic control system supports precise operation, while the engine output provides practical propulsion for cruising, fishing, and utility applications.
Description
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Honda 250HP BF250DLDA iST Outboard Motor Specs
| Brand | Honda Marine |
| Full Model Code / Part Number | BF250DLDA (Standard Rotation / iST / 20" Shaft) |
| Country of Origin | Japan / USA |
| Engine Type & Configuration | 4-Stroke SOHC 60° V6 (24-Valve VTEC) |
| Horsepower Output (HP / kW) | 250 HP (184 kW) |
| Displacement (cc / cu in) | 3583 cc (219 cu in) |
| Bore x Stroke (mm / in) | 89.0 x 96.0 mm (3.50 x 3.78 in) |
| Maximum RPM Range (Full Throttle Operating Range) | 5300 - 6300 RPM |
| Fuel Induction System | Programmed Fuel Injection (PGM-FI) |
| Ignition System | Microcomputer Controlled Transistorized |
| Starting System | Electric Start with Intelligent Shift & Throttle (iST) |
| Steering System | Electronic Remote Control / iST Compatible |
| Trim & Tilt System | Power Trim & Tilt |
| Gear Ratio & Shift Mechanism | 2.00:1 (Standard Rotation / F-N-R) |
| Exhaust System | Through Prop Hub |
| Recommended Transom Shaft Length | L: 20 inches |
| Alternator / Charging Output (Amps / Watts) | 90 Amp (Total / 60 Amp Battery Charging) / 1080 Watts |
| Recommended Fuel Grade & Oil Type | Regular Unleaded (Min. 86 Octane) / Honda 4-Stroke FC-W 10W-30 |
| Dry Weight (kg / lbs) | 279 kg / 615 lbs |
| Standard Warranty | 5 Years Limited Pleasure Warranty |
Common Question of Honda BF250DLDA
What does the 250 DLDA iST offer?
It offers Intelligent Shift and Throttle control on a 250-horsepower Honda four-stroke outboard. Electronic commands manage compatible shifting and throttle operation, while the 20-inch shaft suits matching transoms. The powerhead uses an electronic fuel injection system, making this a high performance outboard motor for properly equipped helm installations.
Is the shaft 20 inches?
Yes. The BF250DLDA uses a 20-inch shaft intended for a corresponding transom height. Measure the boat carefully before ordering and follow the hull manufacturer’s recommendation. Correct shaft length helps maintain cooling-water pickup, gearcase position, propeller immersion, steering control, and reliable operation of this ready to bolt marine outboard.
Does it require iST rigging?
Yes. Intelligent Shift and Throttle requires compatible electronic controls and rigging components rather than ordinary mechanical cables at the engine. Confirm the control head, wiring harness, gauges, battery capacity, steering system, and installation requirements before purchase. Proper integration is essential for smooth gear selection and throttle response.
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