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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.
Only 25 horsepower FourStroke Jet in the industry offered as factory-standard
Stainless steel impeller provides durability and corrosion protection
Industry-leading battery-less EFI system provides trouble-free starting and smooth running in any weather and at all altitudes
Manual recoil with automatic decompression is standard on all models, even electric start models, for peace of mind - even if the battery looses its charge
Gas Assist (tiller models) or Power Trim (remote models) make lifting the outboard effortless
Tiller models feature robust side shift with positive detents for trouble-free shifting



Parts Manual

Service Manual

Owners Manual

What year is my engine?

    Alternator: 15 amp/186 watt
Manufacturer: MERCURY Cooling:
Make: JET 25 4S Ignition: CDI w/electric spark advance
Year: Starting: Electric (turn-key) or Manual
Engine Type: 25 HP 4-STROKE JET Exhaust:
Horsepower: 25 Trim: Gas assists or Power Trim
Displacement: 32.1/526(in/cc) Fuel Induction: 2-valve single overhead cam design
Bore/Stroke: 2.40x2.36/61x60(in/mm) Lubrication:
Cylinders: 3 (in-line) Steering Remote or Tiller
RPM: 5000-5500    
Weight: 186/84.4(lbs/kg) PRICING These prices are the "Manufacturer Suggested Retail Prices" (MSRP). These are just for comparison.
Gear Ratio: US: 5.480 - 6.140 dollars
Shaft lenght: (in/mm) UK: pounds
Gears: Netherlands: euros
    France: euros
    Australia: dollars

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