Mercury 350HP 350XXXL Verado V10 Outboard – 35″ Shaft
With 350 horsepower and a 35-inch shaft, the Mercury 350XXXL Verado V10 supports compatible high-transom offshore installations. Its V10 output provides substantial thrust, while the extended shaft helps maintain proper propeller alignment and effective propulsion delivery.
Description
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Mercury 350HP 350XXXL Verado V10 Outboard Specs
| Brand | Mercury Marine |
| Full Model Code / Part Number | 350XXXL Verado V10 (35" Shaft) |
| Country of Origin | USA |
| Engine Type & Configuration | 4-Stroke 64° V10 (DOHC with 4-Valves per Cylinder) |
| Horsepower Output (HP / kW) | 350 HP (261 kW) |
| Displacement (cc / cu in) | 5700 cc (349 cu in) |
| Bore x Stroke (mm / in) | 90.0 x 89.0 mm (3.54 x 3.50 in) |
| Maximum RPM Range (Full Throttle Operating Range) | 5800 - 6400 RPM |
| Fuel Induction System | Electronic Fuel Injection (EFI) Computer Controlled with Sequential Multi-Port |
| Ignition System | SmartCraft ECM 0d Digital Inductive |
| Starting System | Electric Start with SmartStart Push Button |
| Steering System | Electro-Hydraulic Power Steering (Integrated) |
| Trim & Tilt System | Smart Craft Power Trim and Tilt |
| Gear Ratio & Shift Mechanism | 2.08:1 (TorqueMaster / Forward - Neutral - Reverse) |
| Exhaust System | Through Propeller |
| Recommended Transom Shaft Length | XXXL: 35 inches |
| Alternator / Charging Output (Amps / Watts) | 150 Amp (Idle Charge Battery Management System) / 1800 Watts |
| Recommended Fuel Grade & Oil Type | Regular Unleaded (Min. 87 Octane) / Mercury 4-Stroke Outboard Oil NMMA FC-W 25W-40 |
| Dry Weight (kg / lbs) | 316 kg / 695 lbs |
| Standard Warranty | 3 Years Limited Recreational Warranty |
Common Question of Mercury 350XXXL
What does the 35-inch shaft fit?
A 35-inch transom is the intended match for the Mercury 350XXXL Verado V10. Measure the hull according to Mercury’s instructions before purchase because incorrect shaft length can affect cooling-water pickup, gearcase depth, propeller immersion, steering response, and trim. Correct measurement supports this ready to bolt marine installation.
Is the 350XXXL fuel injected?
Yes. The Mercury 350XXXL Verado V10 uses an electronic fuel injection system for controlled fuel delivery across operating conditions. Its 35-inch shaft suits specialized extra-tall transoms, while Verado controls, steering, battery, wiring, and gauges require compatibility. Verify the boat and package before installing this high performance outboard motor.
What should buyers verify?
Verify transom height, engine weight, maximum horsepower, mounting structure, Verado controls, steering hardware, battery capacity, wiring, fuel supply, gauges, and package contents. A 35-inch shaft does not guarantee universal fitment. Follow Mercury installation documentation and confirm hull compatibility before repowering or operating the outboard.
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