Maritime Propulsion Marine engines, propulsors, electrification and drivetrain news

MERCURY 8 HP FOURSTROKE

Brand
MERCURY
Model
8 HP
Type
Engine
Application
Commercial, Recreational

Description

Product Specification Listing: Mercury 8 HP FourStroke Marine Engine

General Information

  • Manufacturer: Mercury Marine
  • Model: 8 HP FourStroke
  • Type: Outboard Marine Engine

Technical Specifications

Engine

  • Engine Type: Four-Stroke, 2-cylinder, OHV
  • Displacement: 209 CC (12.8 cu in)
  • Bore and Stroke: 2.32 x 1.77 inches (59 mm x 45 mm)
  • Compression Ratio: 9.0:1
  • Horsepower: 8 HP @ 5000 RPM
  • Max RPM: 5000-6000 RPM
  • Fuel Induction System: Single Overhead Cam (SOHC)
  • Cooling System: Water-cooled with thermostat & pressure-controlled

Ignition and Fuel

  • Ignition System: CDI (Capacitor Discharge Ignition)
  • Fuel Type: Unleaded gasoline
  • Fuel Tank Capacity: 3.2 gallons (12 liters), external
  • Fuel Delivery System: Carbureted
  • Starting System: Manual Start

Dimensions & Weight

  • Weight:
    • Standard Shaft: 83 lbs (38 kg)
    • Long Shaft: 84 lbs (39 kg)
  • Shaft Length:
    • Short Shaft: 15 inches (381 mm)
    • Long Shaft: 20 inches (508 mm)
  • Overall Length: 25.1 inches (637 mm)
  • Overall Width: 13.6 inches (345 mm)
  • Overall Height:
    • Standard Shaft: 37.8 inches (960 mm)
    • Long Shaft: 42.7 inches (1085 mm)

Propeller & Gear Case

  • Gear Ratio: 2.15:1
  • Gear Shift: F-N-R (Forward-Neutral-Reverse)
  • Propeller Options: Aluminum (3 blade)

Performance

  • Steering: Tiller Handle
  • Trim Positions: 6 Trim positions with shallow water drive
  • Exhaust System: Through prop

Operational Features

  • Throttle: Twist grip throttle control with friction adjustment
  • Tiller Handle: Foldable for easy storage
  • Trim and Tilt: Manual with shallow water drive function

Environmental & Compliance

  • Emissions: EPA & CARB (California Air Resources Board) 3-Star Ultra-Low Emissions compliant
  • Warranty: 3-Year Limited Warranty

Additional Features

  • Alternator: 6 Amp / 76 Watt for battery charging
  • Anti-Corrosion Protection: Mercury's added saltwater protection features
  • Shallow Water Drive: Facilitates operations in shallow waters
  • Low-Oil Pressure Warning: Provides added engine protection

Package Includes

  • Outboard Engine
  • Fuel Tank (external) with fuel line
  • Owner’s Manual
  • Tool Kit

Optional Accessories

  • Electric Start Kit
  • Tachometer Kit
  • Propeller Guard
  • Carrying / Storage Case

Ensure to conduct proper maintenances such as regular oil changes, propeller inspections, and general check-ups to maintain optimal performance and longevity of the engine. For more information on installation, operation, and maintenance, please refer to the Mercury 8 HP FourStroke owner's manual.

Specifications

Power 8 HP (5.97 kW)
Cylinders Arrangement/Number 2
Bore 55 mm (2.17 in)
Stroke 44 mm (1.73 in)
Weight 38 kg (83.78 lb)
Displacement 208 cm3 (0.21 L, 12.69 in3)
Rated Speed 5,000 r/min
Powerkw 5.9 kW (7.91 HP)
Displacementin3 12.8 in3 (209.75 cm3)
Weightlb 83 lb (37.65 kg)
Borein 2.16 in (54.86 mm)
Strokein 1.73 in (43.94 mm)