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Grove Harbour Marine
2017 Mercury FourStroke 20 HP
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Overview
All-in-one Performance

Intuitive maneuvering for precise control.

Standard Features
Color
  • Phantom Black
STANDARD FEATURES
  • Electrical support.
    A high-output alternator keeps batteries charged and fishing electronics humming.
  • Great acceleration / more torque.
    Compact but powerful, Mercury® 15 - 30hp FourStroke outboards feature extra displacement and outstanding low-end torque that put a boat smartly on plane.
  • More Thrust.
    Mercury® ProKicker outboards feature a deeper gearcase and a four-blade, high-thrust propeller with matching gear ratio - the perfect setup for trolling and precise control in all conditions. The ProKicker gearcase is engineered to be rugged and durable, with robust gears and bearings and a heavy-duty skeg that's 55% thicker and twice as strong side-to-side as the previous gearcase.
  • Power Tilt.
    The fastest power tilt in the industry drops a Mercury 9.9 - 15hp ProKicker FourStroke outboard into the water in just five seconds. Exclusive kicker-centering straps align and secure the outboard in full tilt-up position while you're underway.
  • Power in the Palm of Your Hand.
    Tiller models feature the exclusive Mercury multifunction tiller that puts

    shifting
    throttle control (with improved slow-speed throttle advance for optimal trolling)
    stopping
    tilting
    steering

    in the palm of your hand.
  • Repower Financing.
    With Mercury Repower Financing, you can easily power up everything from fishing boats, to runabouts, to cruisers with flexible financing on the engine. You can also choose to finance rigging, gauges, controls and even labor. Mercury Repower Financing offers low rates and low monthly payments to fit a boater's budget.
  • Start Easily, Idle Smoothly.
    Mercury 8hp to 20hp FourStroke outboards have features that make starting easier, warm-ups faster and idling smoother!

    The fuel filter on 8hp to 20hp Mercury FourStrokes has been moved to keep the carburetor cleaner
    Tiller handle models have a richer air/fuel mix at idle
    They also come standard with a three-position choke, eliminating the need for a primer button
Options
Specifications
Engine Specs
Displacement (CID/cc)21.4 / 351
Engine TypeInline 2
Bore & Stroke (in/mm)2.40 x 2.36" / 61 x 60 mm
Fuel SystemCarbureted
Fuel Induction System2 valves per cylinder, single overhead cam (SOHC)
Cooling SystemWater-cooled with thermostat
Full Throttle RPM Range5400-6100
Ignition SystemCDI w/electronic spark advance
StartingElectric
Manual
Gear ShiftF-N-R
SteeringRemote
Tiller
Trim SystemPower Tilt
Trim Positions6
Shallow Water DriveYes
Recommended OilMercury FourStroke Oil 10W-30
CARB Star Rating3
Exhaust SystemThrough prop
Shaft Length15" / 381 mm
20" / 508 mm
Gearcase Ratio2.15:1
Gearcase OptionsStandard
Dry Weight * Lightest model available115 lbs / 52 kg
Alternator amp / Watt12 amp / 138 watt
Remote Fuel Tank Standard (Gal / L)6.6 / 25
Recommended Fuel87% octane / up to 10% ethanol
Engine Protection Operator Warning SystemLow oil pressure
Over-rev
Shallow Water Trim Range (Degrees)16
HP / kW20 / 14.7
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