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ID # 35001273

Mercury - FourStroke 9.9HP

  • Mercury FourStroke 9.9HP
  • Mercury FourStroke 9.9HP
  • Mercury FourStroke 9.9HP
  • Mercury FourStroke 9.9HP
  • Mercury FourStroke 9.9HP
  • Mercury FourStroke 9.9HP
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Overview

FourStroke 2.5-20hp

Output far beyond its size

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
Model
FourStroke
Category Name
Outboard Engines
Year
2025
Sale Type
New
Manufacturer
Mercury
Name
FourStroke 9.9HP
HP / KW
9.9/7.4
Starting
Manual, Electric (w/ manual backup)
Horsepower
9.9
Engine Type
Inline-2
Trim System
Manual, Power tilt (CT model)
Alternator Amp / Watt
12 amp (145 watt) electric
Displacement (CID/CC)
12.8 cu in (209cc)
Remote Fuel Tank Standard (Gal / L)
3.2Gal /12L
Dry Weight *Lightest Model Available
85 lbs / 38.5 kg; 100 lbs/45.5 kg (CT Model)
features

Battery-Free EFI

Go farther confidently with battery-free EFI technology, included with manual-start 8 to 20hp outboards. It lets you enjoy the flexibility of portability, without needing to bring along a cranking battery.

Convenient Maintenance

We made maintenance easier with features like a no-spill oil change system, easy-out fuel filter and lifetime maintenance-free valve train

Electronic Fuel Injection (EFI)

From the moment you crank the engine to the moment you drop the throttle, EFI technology (on 8 to 20hp outboards) responds with instant power. Surefire starting in all weather conditions. Smooth, efficient acceleration. Maximum fun.

Advanced Tiller

With a range of adjustments, easy-to-reach controls and the flexibility to be set up for left- or right-handed operation (on select models), Mercury tiller handles put you in complete command of your adventures.

Easy Portability

Simple to install and lightweight, 2.5 to 20hp FourStroke outboards let you bring along the fun wherever it’s needed.
performance

Flexible, Versatile Power

A variety of remote and tiller controls, manual and electric start, and power or manual trim (options vary by horsepower) let you set up your engine to match your boat and favorite on-water activities.

Small but Mighty

With their high torque and rugged durability, Mercury portable outboards are ideal for powering a range of johnboats, small aluminum fishing boats and rigid inflatables, as well as for secondary power on sailboats.

Lighter by Design

Proprietary alloys and advanced cowl materials allow Mercury FourStroke outboards to deliver heavyweight performance in a lightweight package.
fourstroke advantage

Comfort

With a balanced powerhead and sophisticated, vibration-dampening cowl design, Mercury FourStroke outboards deliver an exceptionally smooth and quiet ride at any speed.

Compact Design

Ideal for new engine setups or repowers, the slender width of a Mercury FourStroke outboard fits most transoms, including those with narrow engine wells and tight motor spacing.

Durability

Premium corrosion-preventive technologies and durable components ensure FourStroke outboards can stand up to the most demanding marine environments.

Efficiency

Explore farther and stay out longer thanks to impressive power-to-weight ratios, intelligent fuel systems and optimized fuel injection (on most models) that maximize performance from every drop of fuel.
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