Honda 250HP BF250DUDA & BF250DUCDA Twin iST Outboard Set
The Honda BF250DUDA and BF250DUCDA twin iST outboard set provides two 250-horsepower engines with integrated electronic steering and throttle control. Twin propulsion increases available thrust, while iST commands help synchronize engine operation and simplify maneuvering on compatible offshore boats.
Description
SET
Honda 250HP BF250DUDA & BF250DUCDA Twin iST Outboard Set Specs
| Brand | Honda Marine |
| Full Model Code / Part Number | BF250DUDA & BF250DUCDA (Twin Set with iST) |
| Country of Origin | Japan / USA |
| Engine Type & Configuration | 4-Stroke SOHC 60° V6 (24-Valve VTEC) |
| Horsepower Output (HP / kW) | 250 HP (184 kW) Each / Twin Set |
| 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 & Counter Rotation Set / F-N-R) |
| Exhaust System | Through Prop Hub |
| Recommended Transom Shaft Length | L: 20 inches / XL: 25 inches (Configurable Set) |
| 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) | 287 kg / 633 lbs Each (Twin Package) |
| Standard Warranty | 5 Years Limited Pleasure Warranty |
Common Question of Honda BF250DUDA Twin Set
What is included in this twin set?
This set combines BF250DUDA and BF250DUCDA 250-horsepower iST outboards. The listed configuration is designed as a twin-engine package with 30-inch shafts, Intelligent Shift and Throttle, and compatible counter-rotation equipment. Confirm included controls, harnesses, gauges, propellers, steering components, batteries, and mounting hardware before purchasing this high performance outboard motor set.
Are both engines iST compatible?
Yes. Both listed models use Intelligent Shift and Throttle. Twin-engine installation requires compatible electronic controls, wiring, gauges, steering, battery capacity, and correct system setup. Verify which engine provides counter rotation, then confirm propeller selection and control integration. Proper matching supports balanced handling and dependable operation of this ready to bolt marine package.
What transom fits the twin set?
A 30-inch transom is specified for both engines. The boat must also be rated for the combined 500 horsepower and twin-engine weight. Confirm transom strength, engine spacing, steering arrangement, cooling-water clearance, battery capacity, and hull limitations before installation. Professional rigging is recommended for this twin outboard configuration.
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