Mercury 9.9 HP Tiller Outboard Motor - 2026

Mercury FourStroke outboards are made to unlock the inaccessible. To make light work of long journeys. The 9.9 HP FourStroke outboard empowers you to enjoy the water on your terms and reach places you wouldn't dare venture with other engines. They're reliable, compact, lightweight, easy to install and simple to operate, while still delivering quick acceleration and impressive speed. The only thing missing is a destination.

Features:

• Battery - Free EFI: Go farther confidently with battery - free EFI technology. Enjoy the flexibility of portability, without needing to bring along a cranking battery
• Easy Portability: Simple to install and lightweight. Bring along the fun wherever it's needed
• Convenient Maintenance: No - spill oil change system, easy - out fuel filter, and lifetime maintenance - free valve train

Specifications:

• Engine Type: Inline 2, 4 - Stroke
• Displacement: 209 cc (12.8 cu. in.)
• Bore & Stroke: 2.16" x 1.73" (55 x 44 mm)
• Full Throttle RPM Range: 5000 - 6000
• Alternator Output: 12V, 145W, 12A
• Dry Weight Range: 88 - 97 lbs
• Rated Power: 9.9 HP
• Fuel Delivery: EFI
• Steering Type: Tiller
• Shaft Length: 15", 20"
• Starting System: Manual, Electric
• Cooling System: Water - cooled with thermostat
• Ignition System: CDI with electronic spark advance
• Exhaust: Through prop
• Lubrication System: Wet sump
• Oil Capacity: 1.1 L
• Trim Range: Ratcheting 5 - position trim with shallow - water drive
• Tilt Range: Full tilt
• Gear Ratio: 2.08:1
• Gear Shift: F - N - R
• Standard Propeller Type (Diameter x Pitch): 3 - blade aluminum, 8.5P
• Oil Pressure Alert: Yes
• Temperature Alert: Yes
• Rev Limiter: Standard
• Fuel Tank Capacity: 3.2 gal (12 L) remote fuel tank with fuel line included
• Factory Warranty: 3 years. Warranty begins on date of purchase.

Note: Rope start models do not include an alternator.