Honda 140HP BF140AK1XDA White iST Outboard – 25″ Shaft
The white 140-horsepower Honda BF140AK1XDA iST outboard uses a 25-inch shaft for compatible transoms. Electronic control supports precise operation, while the shaft length helps maintain propeller depth and predictable handling during cruising and fishing.
Description
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Honda 140HP BF140AK1XDA White iST Outboard Specs
| Brand | Honda Marine |
| Full Model Code / Part Number | BF140AK1XDA (White / Standard Rotation / iST / 25" Shaft) |
| Country of Origin | Japan / USA |
| Engine Type & Configuration | 4-Stroke DOHC 16-Valve Inline 4 (VTEC) |
| Horsepower Output (HP / kW) | 140 HP (103 kW) |
| Displacement (cc / cu in) | 2354 cc (144 cu in) |
| Bore x Stroke (mm / in) | 87.0 x 99.0 mm (3.43 x 3.90 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 | 2.14:1 (Standard Rotation / F-N-R) |
| Exhaust System | Through Prop Hub |
| Recommended Transom Shaft Length | XL: 25 inches |
| Alternator / Charging Output (Amps / Watts) | 40 Amp (Total / 30 Amp Battery Charging) / 480 Watts |
| Recommended Fuel Grade & Oil Type | Regular Unleaded (Min. 86 Octane) / Honda 4-Stroke FC-W 10W-30 |
| Dry Weight (kg / lbs) | 220 kg / 485 lbs |
| Standard Warranty | 5 Years Limited Pleasure Warranty |
Common Question of Honda BF140AK1XDA White
Is the white XDA model fuel injected?
Yes. The white Honda BF140AK1XDA uses an electronic fuel injection system and a 140-horsepower four-stroke powerhead. The white finish changes appearance, while Intelligent Shift and Throttle and the 25-inch shaft remain the listed configuration. This makes it a high performance outboard motor for compatible tall-transom boats.
What does the white finish change?
It changes the exterior appearance. The listed white model retains the XDA iST configuration and 25-inch shaft, but confirm exact package contents with the seller. Controls, harnesses, gauges, battery, steering hardware, and boat compatibility still require verification before installation of this ready to bolt marine outboard.
Does it use Intelligent Shift?
Yes. The XDA White designation includes Intelligent Shift and Throttle, which electronically manages compatible shifting and throttle operation. Correct installation requires matching control equipment, wiring, gauges, battery capacity, steering components, and rigging procedures. Verify the complete iST system before operating the Honda 140-horsepower four-stroke outboard.
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