Yamaha 350HP LF350ESA DEC Counter Rotation Outboard – 35″ Shaft
The 350-horsepower Yamaha LF350ESA provides DEC counter-rotation propulsion with a 35-inch shaft. Counter-rotation helps balance twin-engine thrust, while electronic controls support responsive operation and the taller shaft suits compatible high-transom offshore boats.
Description
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Yamaha 350HP LF350ESA DEC Counter Rotation Outboard Specs
| Brand | Yamaha Marine |
| Full Model Code / Part Number | LF350ESA (Counter Rotation / 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 (Counter Rotation 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 LF350ESA
Is LF350ESA counter rotating?
Yes. The Yamaha LF350ESA is specified as a DEC counter-rotation 350-horsepower outboard with a 35-inch shaft. Its counter rotating lower unit is intended for compatible paired-engine applications. Confirm propeller specification, engine pairing, DEC controls, steering, battery, wiring, and boat compatibility before installation.
What transom fits its shaft?
A 35-inch transom is the intended match for this LF350ESA configuration. Measure the hull before mounting because incorrect shaft length can affect cooling-water pickup, gearcase clearance, propeller immersion, steering response, and paired-engine balance. Proper 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 and counter rotation but does not explicitly state fuel injection. Verify controls, wiring, battery, steering equipment, fuel supply, gauges, propeller, engine weight, and package contents before installation.
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