Specifications

  • Manufacturer: Yamaha
  • Model: F4 PORTABLE
  • Type: Portable
  • Engine Type: Four-stroke 1-cylinder
  • Displacement: 139cc (8.5 ci)
  • Bore & Stroke: 62 x 46mm (2.44 x 1.81 in)
  • RPM Range: 4,000-5,000
  • Compression Ratio: 8.9:1
  • Induction System: OHV (overhead valve)
  • Alternator Output: 6 Amp (optional: requires charging kit)
  • Fuel Delivery: Carburetor
  • Starting: Manual
  • Ignition: CDI
  • Lubrication: Wet sump
  • Degree of Trim/Tilt: 5 positions / 69°
  • Exhaust: Above propeller
  • Cooling: Raw water, Thermostatic Control
  • Gear Shift: F/N/R
  • Gear Ratio: 13/27 (2.08:1)
  • Recommended Fuel: Unleaded Gasoline (Minimum Pump Octane 87)
  • Recommended Oil: Yamalube 4-M FC-W 10W-30 or 20W-40
  • Oil Capacity: 0.6 litre
  • Shaft Length: 15" - 20"
  • Dry Weight: 27kg (59lbs)

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