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Auckland Marine Centre New Zealand 321 Ti Rakau Drive Burswood, Auckland 2013 NZ
Auckland Marine Centre New Zealand 321 Ti Rakau Drive Burswood, Auckland 2013 NZ
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Mercury 20HP 4 Stroke Tiller

Mercury Outboard Specials

20HP 4 Stroke Tiller 

Hurry Limited Stock.

2025 Mercury 20HP 4-Stroke Tiller Outboard Specifications.

  • Horsepower: 20 HP (14.7 kW
  • Engine Type: 4-Stroke, Inline-2
  • Fuel Delivery: Electronic Fuel Injection (EFI)
  • Recommended Fuel: Unleaded 87 octane (up to 10% ethanol)
  • Starting: Manual (kick start) or optional electric on some variants
  • Displacement: ~333 cc (20.3 cu in)
  • Bore × Stroke: 61 mm × 57 mm (2.402″ × 2.244″)
  • Full-Throttle RPM Range: ~5,400 – 6,100 rpm
  • Ignition: CDI with electronic spark advance
  • Induction: SOHC (single overhead cam)

Drive Train & Steering:

  • Steering: Tiller handle control
  • Gear Shift: Forward-Neutral-Reverse (F-N-R) integrated in tiller
  • Gear Ratio: ~2.15 : 1
  • Trim & Tilt: Manual trim & tilt (power tilt on some configurations)

Shaft & Weight:

  • Shaft Length Options:
    • Short Shaft – 15″ (381 mm)
    • Long Shaft – 20″ (508 mm)
  • Dry Weight: ~99 – 103 lb (~45 kg) for standard tiller models

Cooling & Protection:

  • Cooling: Water-cooled with thermostat
  • Protection Systems: Over-rev protection, low oil pressure warnings, start-in-gear protection, safety lanyard stop switch Propeller:
  • Standard Prop: 3-Blade aluminum prop (approx. 9.2″ diameter × 9.1″ pitch)