Honda 225HP BF225DK1XDA iST Outboard – 25″ Shaft
The 225-horsepower Honda BF225DK1XDA iST outboard uses a 25-inch shaft for compatible transoms. Electronic control supports responsive throttle and shift commands, while the shaft length helps maintain propeller alignment and efficient thrust delivery.
Description
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Honda 225HP BF225DK1XDA iST Outboard Motor Specs
| Brand | Honda Marine |
| Full Model Code / Part Number | BF225DK1XDA (Standard Rotation / iST / 25" Shaft) |
| Country of Origin | Japan / USA |
| Engine Type & Configuration | 4-Stroke SOHC 60° V6 (24-Valve VTEC) |
| Horsepower Output (HP / kW) | 225 HP (168 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) | 5000 - 6000 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 | 1.86:1 (Standard Rotation / F-N-R) |
| Exhaust System | Through Prop Hub |
| Recommended Transom Shaft Length | XL: 25 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) | 280 kg / 617 lbs |
| Standard Warranty | 5 Years Limited Pleasure Warranty |
Common Question of Honda BF225DK1XDA
Does BF225DK1XDA use iST?
Yes. The Honda BF225DK1XDA uses Intelligent Shift and Throttle for compatible electronic gear selection and throttle commands. Its 225-horsepower four-stroke powerhead uses an electronic fuel injection system, while the 25-inch shaft suits tall-transom boats. This configuration supports a high performance outboard motor installation with compatible helm equipment.
What boats fit its shaft?
A boat with a 25-inch transom is the intended application for this XDA model. Measure the hull according to the manufacturer’s procedure before purchase. Correct shaft selection supports cooling-water pickup, gearcase clearance, propeller immersion, steering behavior, and trim performance. Proper measurements are required for this ready to bolt marine installation.
Does it require electronic controls?
Yes. The iST system requires compatible electronic controls and rigging components. Confirm the control head, wiring harnesses, gauges, battery capacity, steering equipment, and installation requirements before mounting. Conventional mechanical cables may not provide the intended engine interface, so complete system compatibility is essential for dependable shifting and throttle response.
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