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1999 Mercury Coastal Outboards

1999 Mercury Coastal Outboards

New for 1999, Mercury offers the Coastal series designed specifically for the fast-growing flats and bay enthusiasts. Showcased by stylish new graphics, the 90 and 115 hp Coastal models feature extra stainless steel and an easy-to-use front-mounted freshwater flushing device, with a garden hose-style quick disconnect system for added convenience and ease of maintenance.

The perfect complement to the popular Blue Water series, these Coastal models also feature the industry exclusive 3-year limited corrosion failure guarantee.


The coastal line of Mercury Outboards is available in 115 and 90-hp models.

All Coastal models feature:

  • Modular CDI ignition
  • 18 amp alternator with voltage regulator
  • F-N-R gear shift
  • Loop-charged induction system
  • Through prop exhaust
  • Run on unleaded 87 octane minimum fuel

Mercury 115-hp Coastal Outboard Specifications

  • Propshaft Horsepower: 115-hp (86 kW)
  • Max RPM (W.O.T.): 4750-5250
  • Cylinders/Configuration: 4 (in-line)
  • Displacement: 113 cu.in. (1848cc)
  • Bore & Stroke: 3.5 in. x 2.93 in. (89mm x 75mm)
  • Fuel Induction System: Loop Charged
  • Exhaust System: Through Prop
  • Lubrication System: Single point variable ratio oil injection
  • Cooling System: Water cooled with thermostat and pressure controlled
  • Ignition System: Modular CDI
  • Starting System: Electric
  • Alternator: 18 amp (254 watt) with voltage regulator
  • Gear Ratio: 2.07:1
  • Gear Shift: F-N-R
  • Steering: Remote
  • Trim System: Power Trim
  • Shaft Length: 20 in. (508mm)
  • Remote Fuel Tank: Optional
  • Weight: 348 lbs. (158 kg)
  • Operator Warning Systems: Overheat, low oil level
  • Propeller Options: Black Max, Vengeance, High Five, Laser II,
    Trophy Plus, Black Diamond, Silverado, Lightspeed

Original image unavailable: Perfect for flats boats!.

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NEW DESIGN PREVIEW · Original catalog details retained. Please confirm part fit and availability before ordering.