Mercury 400HP 400L White Verado V10 Outboard – 20″ Shaft
The white 400-horsepower Mercury 400L Verado V10 uses a 20-inch shaft for compatible transom configurations. Its V10 outboard platform supplies substantial propulsion, while correct shaft matching supports efficient thrust transfer and predictable handling during offshore operation.
Description
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Mercury 400HP 400L White Verado V10 Outboard Specs
| Brand | Mercury Marine |
| Full Model Code / Part Number | 400L White Verado V10 (20" Shaft) |
| Country of Origin | USA |
| Engine Type & Configuration | 4-Stroke 64° V10 (DOHC with 4-Valves per Cylinder) |
| Horsepower Output (HP / kW) | 400 HP (298 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 | L: 20 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 400L White
Is the white 400L fuel injected?
Yes. The white Mercury 400L Verado V10 uses an electronic fuel injection system within its applicable powerhead. Its 20-inch shaft suits a matching transom, while the white finish identifies exterior appearance. Confirm Verado controls, steering, battery, wiring, gauges, fuel supply, and package contents before installing this high performance outboard motor.
What shaft length does it use?
The shaft length is 20 inches, intended for a matching transom height. Confirm the boat’s actual measurement before installation because incorrect shaft length can affect cooling-water pickup, gearcase position, propeller immersion, steering response, and trim. Proper measurement supports this ready to bolt marine outboard package.
Does the white finish change performance?
No. The white finish changes exterior appearance rather than the listed horsepower or shaft length. Confirm the exact Verado controls, battery connections, steering equipment, engine weight, fuel system, and package contents with the seller. Correct hull matching and professional rigging remain essential for dependable operation.
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