Yamaha 350HP F350ESA DEC Outboard – 35″ Shaft
The 350-horsepower Yamaha F350ESA DEC outboard uses a 35-inch shaft for compatible high-transom installations. Its electronic digital controls support precise command input, while the engine’s output provides propulsion capacity for larger offshore boats and demanding marine applications.
Description
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Yamaha 350HP F350ESA DEC Outboard Motor Specs
| Brand | Yamaha Marine |
| Full Model Code / Part Number | F350ESA (DEC / 35" Shaft) |
| Country of Origin | Japan / USA |
| Engine Type & Configuration | 4-Stroke V8 (60° V8, DOHC 32-Valve) |
| Horsepower Output (HP / kW) | 350 HP (257 kW) |
| Displacement (cc / cu in) | 5330 cc (325 cu in) |
| Bore x Stroke (mm / in) | 94.0 x 96.0 mm (3.70 x 3.78 in) |
| Maximum RPM Range (Full Throttle Operating Range) | 5000 - 6000 RPM |
| Fuel Induction System | Electronic Fuel Injection (EFI) - Multi-Point Sequential |
| Ignition System | TCI Microcomputer |
| Starting System | Electric Start (Digital Electronic Control) |
| Steering System | Digital Electronic Control (DEC) / Compatible with Remote Steering |
| Trim & Tilt System | Power Trim & Tilt |
| Gear Ratio & Shift Mechanism | 1.73:1 (Forward - Neutral - Reverse) |
| Exhaust System | Through Prop Hub |
| Recommended Transom Shaft Length | XXXL: 35 inches |
| Alternator / Charging Output (Amps / Watts) | 50 Amp (Maximum) / 630 Watts |
| Recommended Fuel Grade & Oil Type | Regular Unleaded (Min. 89 Octane Recommended) / Yamalube 4M FC-W 10W-30 |
| Dry Weight (kg / lbs) | 365 kg / 804 lbs |
| Standard Warranty | 3 Years Limited Pleasure Boat Warranty |
Common Question of Yamaha F350ESA DEC
What does F350ESA DEC mean?
DEC generally refers to Digital Electronic Control, using electronic commands for compatible throttle and shift functions. This Yamaha 350-horsepower outboard uses a 35-inch shaft. Confirm the control head, 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 F350ESA configuration. Measure the hull before mounting because incorrect shaft length can affect cooling-water pickup, gearcase clearance, propeller immersion, steering response, and trim. Correct measurement supports this 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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