Yamaha 250HP F250ESB DEC Outboard – 35″ Shaft
The 250-horsepower Yamaha F250ESB DEC outboard uses a 35-inch shaft for compatible high-transom installations. Its electronic controls support responsive throttle and shift commands, while the shaft length helps maintain effective propeller depth and thrust delivery.
Description
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Yamaha 250HP F250ESB DEC Outboard Specs
| Brand | Yamaha Marine |
| Full Model Code / Part Number | F250ESB (DEC / 35" Shaft) |
| Country of Origin | Japan / USA |
| Engine Type & Configuration | 4-Stroke V6 (DOHC 24-Valve with VCT) |
| Horsepower Output (HP / kW) | 250 HP (184 kW) |
| Displacement (cc / cu in) | 4169 cc (254 cu in) |
| Bore x Stroke (mm / in) | 96.0 x 96.0 mm (3.78 x 3.78 in) |
| Maximum RPM Range (Full Throttle Operating Range) | 5000 - 6000 RPM |
| Fuel Induction System | Electronic Fuel Injection (EFI) - V6 VST |
| Ignition System | TCI Microcomputer |
| Starting System | Electric Start (Digital Electronic Control) |
| Steering System | Integrated Digital Electronic Steering (DES) / DEC |
| Trim & Tilt System | Power Trim & Tilt |
| Gear Ratio & Shift Mechanism | 1.75:1 (Forward - Neutral - Reverse) |
| Exhaust System | Through Prop Hub |
| Recommended Transom Shaft Length | XXXL: 35 inches |
| Alternator / Charging Output (Amps / Watts) | 70 Amp (Maximum) / 840 Watts |
| Recommended Fuel Grade & Oil Type | Regular Unleaded (Min. 89 Octane Recommended) / Yamalube 4M FC-W 10W-30 |
| Dry Weight (kg / lbs) | 265 kg / 584 lbs |
| Standard Warranty | 3 Years Limited Pleasure Boat Warranty |
Common Question of Yamaha F250ESB DEC
What does F250ESB DEC mean?
DEC generally refers to Digital Electronic Control, using electronic commands for compatible throttle and shift functions. This Yamaha 250-horsepower outboard uses a 35-inch shaft. Confirm controls, harnesses, gauges, battery capacity, steering, fuel system, transom strength, and package contents before installing this high performance outboard motor.
What transom fits its shaft?
A 35-inch transom is the intended match for this F250ESB configuration. Measure the hull before purchase because incorrect shaft length can affect cooling-water pickup, gearcase depth, propeller immersion, steering response, and trim. Correct measurement supports a properly fitted ready to bolt marine installation.
Does it use fuel injection?
Confirm the exact Yamaha fuel system before making an EFI claim. The supplied title identifies DEC controls but does not explicitly state fuel injection. Verify controls, wiring, battery, steering equipment, fuel supply, gauges, engine weight, and package contents through Yamaha documentation.
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