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Mercury’s jet-drive outboards are specifically designed to pilot boats in shallow waters where propeller-driven hulls are unable to operate. Because there is no lower unit extending below the hull, the jet drive permits passage over obstacles that would foul a propeller-driven outboard boat.

Water is drawn into the unit through the intake grill by an impeller, driven directly by the engine driveshaft. The water is then forced at high pressure through an outlet nozzle, creating thrust that drives the boat forward. To obtain reverse, a gate lifts into position over the outlet re-directing the pressure stream in the opposite direction.
Mount on 20" transoms to match most applications
CARB 3-star rated, which means these outboards are among the cleanest in the industry.

A lightweight, compact single overhead cam (SOHC) engine design.
Based on the powerful 60 hp FourStroke (60.8 Cu. In.) delivering 40hp at the jet pump.
Electronically fuel injected, providing turn-key starting, increased power, and improved fuel economy with spectacular reliability.
Optional tiller handle kit provides precise control and maneuverability.
Standard power trim makes tilting the outboard effortless.
SmartCraft compatible to provide additional engine function information.



Parts Manual

Service Manual

Owners Manual

What year is my engine?

    Alternator: 18 amp/226 watt
Manufacturer: MERCURY Cooling:
Make: JET 40 4S Ignition: ECM 555 Digital Inductive
Year: Starting: Electric (turn-key)
Engine Type: 40 HP 4-STROKE JET Exhaust:
Horsepower: 40 Trim: Power Trim
Displacement: 60.8/995(in/cc) Fuel Induction: 2-valve single overhead cam design
Bore/Stroke: 2.56x2.85/65x75(in/mm) Lubrication:
Cylinders: 4 (in-line) Steering Remote or Tiller (kit)
RPM: 5000-5500    
Weight: 267/121(lbs/kg) PRICING These prices are the "Manufacturer Suggested Retail Prices" (MSRP). These are just for comparison.
Gear Ratio: US: 6.440 dollars
Shaft lenght: 15/381(in/mm) UK: pounds
Gears: Netherlands: euros
    France: euros
    Australia: dollars

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