Mercury 4 HP Tiller Outboard Motor – 2024

Put amazing power in the palm of your hand. These compact outboard motors take you to the fun, the fish, or whatever floats your boat – quickly and reliably. Enjoy quick acceleration to go with exhilarating speed. Easy to install and operate, with reliable starting, low vibration, and instant throttle response. It’s worry-free boating at its best.

This lightweight motor features through-prop exhaust for extra-quiet operation. Great for aluminum tiller, inflatable soft hull, jon, utility, and sail boats.

Specifications:

• Power: 4 HP (2.9 kW)
• Engine type: 1 cylinder
• Displacement: 123cc
• Full throttle RPM: 4500-5500
• Fuel induction system: 2-valve pushrod (overhead valve)
• Recommended fuel: 87 octane / up to 10% ethanol
• Recommended oil: Mercury FourStroke Oil 10W-30
• Engine protection operator warning system:
  • Low oil pressure
  • Over-rev
• Steering: Tiller
• Shaft length: 15″ (381 mm) or 20″ (508 mm)
• Gearcase ratio: 2.15:1
• CARB star rating: 3
• Bore and stroke: 2.32 x 1.77″ / 59 x 45 mm
• Ignition: CDI with electronic spark advance
• Fuel system: Carbureted
• Cooling system: Water-cooled with thermostat
• Gear shift: forward, neutral, reverse
• Trim positions: 6
• Exhaust system: Through prop
• Shallow water drive: Yes
• Shallow water trim range: 16 deg.
• Integrated fuel tank: 0.3 gal (1.1 L)
• External fuel tank capable (not included)
• Standard 3 blade propeller: 8 3/8″ x 7″
• Dry weight:
  • 15″ shaft: 57 lbs
  • 20″ shaft: 59 lbs
• Factory warranty: 3 years. Warranty begins on date of purchase.

Note: External fuel tank and fuel line not included.

Owner’s Manual (3.58 MB).