Mercury 40 HP Command Thrust Fourstroke - Mercury FourStrokes have long led the pack in clean, quiet, fuel-efficient outboard power - and now the gap grows even wider. We combined innovative engineering with advanced reliability and features to make our outboards run clean, stay quiet, and deliver smooth, responsive performance - all while cutting your fuel and maintenance costs.
HP / kW | |
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Engine type | |
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Displacement (CID/CC) | |
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Full throttle RPM | |
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Fuel induction system | - 2 valves per cylinder, single overhead cam (SOHC)
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Alternator amp / Watt | |
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Recommended fuel | |
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Recommended oil | - Mercury FourStroke 25W40 Marine Oil
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Engine protection operator warning system | - SmartCraft Engine Guardian
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Compatible with SmartCraft digital technology | |
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Starting | |
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Steering | - Big Tiller Compatible
- Remote
- Tiller Kit
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Shaft length | |
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Gearcase ratio | |
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Dry weight *Lightest model available | |
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Emissions Star Rating | |
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Bore and stroke | - 2.56 x 2.95" / 65 x 75 mm
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Ignition | |
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Fuel system | - Electronic Fuel Injection (EFI)
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Cooling system | - Water-cooled with thermostat
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Gear shift | |
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Gearcase options | |
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Trim system | |
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Exhaust system | |
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Shallow water trim range (degrees) | |
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Remote fuel tank (optional) | |
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Color | |
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