Mercury 40 HP EFI Fourstroke Jet - Mercury jet-drive outboards are specifically designed to pilot boats in shallow waters where propeller-driven hulls are unable to operate. Because there's no lower unit extending below the hull, the jet drive permits passage over obstacles that would restrict access to a propeller-driven outboard boat.
| 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 | - 87% octane / up to 10% ethanol
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| Recommended oil | - Mercury FourStroke Oil 10W-30
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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 | |
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| Shaft length | |
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| Dry weight *Lightest model available | |
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| CARB star rating | |
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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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| Gearcase options | |
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| Trim system | |
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| Color | |
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