Mercury 15 HP Tiller Outboard Motor - 2025

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.

Specifications:

• Power: 15 HP (11.1 kW)
• Engine type: Inline 2
• Displacement : 333cc
• Full throttle RPM: 5700 - 6200
• Fuel induction system: 2 valves per cylinder, single overhead cam (SOHC)
• Alternator Amp / Watt (electric-start models only): 12A/145W
• Recommended fuel: 87 octane / up to 10% ethanol
• Recommended oil:
  • 25W-40 Synthetic Blend
  • Mercury FC-W 10W-30 4-Stroke Marine Oil
• Engine protection operator warning system:
  • Low oil pressure
  • Low water pressure
  • Over-rev
  • Overheat
  • Sensor failure
• Starting: optional rope or electric start
• Steering: Tiller
• Shaft length: 15" (381 mm) or 20" (508 mm)
• Gearcase ratio: 2.15:1
• CARB star rating: 3
• Bore and stroke: 2.40 x 2.24" / 61 x 57 mm
• Ignition: CDI with electronic spark advance
• Fuel system: Electronic Fuel Injection (EFI)
• Cooling system: Water-cooled with thermostat
• Gear shift: forward, neutral, reverse
• Gearcase options: Standard
• Trim system: optional manual or power tilt
• Trim positions: 6
• Exhaust system: Through prop
• Shallow water drive: Yes
• Shallow water trim range: 16 deg.
• Remote fuel tank standard (gal / L): 3.2 gal (12 L)
• Fuel line included
• Standard 3-blade aluminum propeller: 9 1/4" x 9"
• Dry weight:
  • 15" shaft with rope start: 103 lbs
  • 20" shaft with rope start: 107 lbs
• Factory warranty: 3 years. Warranty begins on date of purchase.

Note: Rope-start models do not include an alternator.

Owner's Manual (7.46 MB)