Honda 225HP BF225DK1UCDA iST Outboard – 30″ Shaft
The 225-horsepower Honda BF225DK1UCDA iST outboard uses a 30-inch shaft for compatible high-transom installations. Electronic iST control supports precise operation, while the shaft length helps maintain propeller depth and effective thrust transfer during offshore use.
Description
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Honda 225HP BF225DK1UCDA iST Outboard Motor Specs
| Brand | Honda Marine |
| Full Model Code / Part Number | BF225DK1UCDA (Counter Rotation / iST / 30" 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 (Counter Rotation / F-N-R) |
| Exhaust System | Through Prop Hub |
| Recommended Transom Shaft Length | XXL: 30 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) | 287 kg / 633 lbs |
| Standard Warranty | 5 Years Limited Pleasure Warranty |
Common Question of Honda BF225DK1UCDA
Does BF225DK1UCDA use iST?
Yes. The Honda BF225DK1UCDA is specified with Intelligent Shift and Throttle and a 30-inch shaft. Its 225-horsepower four-stroke powerhead uses an electronic fuel injection system, supporting a high performance outboard motor installation when the boat has compatible electronic controls, harnesses, gauges, battery capacity, steering, and a tall transom.
What boats need a 30-inch shaft?
Boats with a matching 30-inch transom are the intended application for this UCDA model. Measure the hull carefully and follow the boat manufacturer’s recommendation. Correct shaft positioning supports cooling-water pickup, gearcase depth, propeller immersion, steering response, and trim. Accurate measurement is required for this ready to bolt marine installation.
Does it require electronic controls?
Yes. The iST system 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 equipment, and installation requirements before purchase. Complete compatibility is essential for dependable shift and throttle operation.
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