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2018 Mercury 9.9 Hp 9.9MH Outboard Motor
Inspected & Documented Condition notes recorded before palletizing.
30-Day Startup Warranty Covers block, heads and internal moving components.
In Stock & Ready to Freight Outboard Motors

2018 Mercury 9.9 Hp 9.9MH Outboard Motor

Brand: Mercury
Condition: Used
$1,213.26
+ $185.00 flat-rate insured LTL freight (details)
$1,398.26 delivered to the continental US
  • Palletized and heavy shrink-wrapped for freight
  • LTL carrier delivery with optional liftgate service
  • Ships in 1–2 business days from Los Angeles, CA
  • Transit typically 3–7 business days, continental US
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Details & Inspection Notes

2018 Mercury 9.9 Hp 9.9MH Outboard Motor

The portable Mercury 9.9hp outboard motor is lightweight, compact, and powerful making it a great choice for long shaft jon boats, skiffs, and small pontoons as well as auxiliary power for your sailboat. The Mercury 9.9 HP outboard engine is a two cylinder four-stroke marine engine that delivers smooth, quiet, fuel efficient power. Weighing 84 lbs., the Mercury 9.9 HP Outboard Model #: 9.9MH comes equipped with a manual start and 15 inch shaft, tiller steering and auto ratchet trim. As with all new Mercury outboard motors, the factory provides a 3 year warranty that starts on the date of purchase.

2018 Mercury 9.9 Hp 9.9MH Outboard Motor

  • Compact and Lightweight
  • Digital CD Ignition with Spark Advance
  • High Grade Marine Alloy Construction
  • Stainless Steel Water Pump Housing
  • Zinc Coated Water Passages
  • Rated for Saltwater Use
  • Sacrificial Zinc Anodes and Trim Tab
  • Tiller Integrated F-N-R Gear Shifting
  • Adjustable Steering Tension Control
  • Twist-Grip Throttle with Tension Control
  • Thermostat Controlled Water Cooling
  • Auto Ratchet Trim System (5 positions)
  • Shallow Water Drive
  • Quiet Through-Propeller-Hub Exhaust
  • 3.2 Gallon Fuel Tank and Fuel Line
  • Start-In-Gear Protection
  • Low Oil Pressure Warning Indicator
  • ESG Over-Rev Protection
  • Safety Lanyard Stop Switch
  • Owner’s Manual
  • Mercury Marine 3-Year Warranty

2018 Mercury 9.9 Hp 9.9MH Outboard Motor

MODEL 9.9MH
MODEL YEAR 2018
SKU 9.9MH-18
WEIGHT 84.0000
MANUFACTURER Mercury
COUNTRY OF MANUFACTURE Japan
HORSEPOWER 9.9hp
SHAFT LENGTH 15″ (Short)
STEERING Tiller
STARTING Manual
TRIM & TILT Manual
FUEL DELIVERY Carburetor
FUEL TANK External
CYLINDER(S) 2
DISPLACEMENT 12.8 ci (208 cc)
BORE AND STROKE 2.16 x 1.73 in. (55 x 44 mm)
FULL THROTTLE RPM RANGE 5,000-6,000
IGNITION SYSTEM CDI with electronic spark advance
INDUCTION SCAVENGING SOHC
VALVES PER CYLINDER 2
FUEL TYPE 87 Octane (up to 10% ethanol content)
FUEL TANK / FUEL LINE 3.2 Gal. Fuel Tank + Quick Connect Fuel Line
OIL TYPE SAE 10W-30 (Mercury 4-Stroke Outboard Oil)
OIL CAPACITY 27 fl. Oz. (800 ml)
LUBRICATION Trochoid Pump
ALTERNATOR Optional 12V 76W 6A (installation required)
COOLING SYSTEM Water-cooled with thermostat
SALTWATER RATED YES
GEAR RATIO 2.08:1
GEAR SHIFT Forward-Neutral-Reverse (shift in tiller handle)
PROPELLER 8.5″ Diameter X 8.0″ Pitch 3-Blade Aluminum
INTERNAL BATTERY No

2018 Mercury 9.9 Hp 9.9MH Outboard Motor

WHAT’S IN THE BOX?

  • Fuel Tank (3.2 gallon)
  • Quick Connect Fuel Line
  • Mercury 3-Year Warranty
  • Aluminum Propeller
  • Mercury 4-Stroke Oil
  • Owner’s Manual & Tool Kit

Startup & Installation Checklist

  • Replace timing components, water pump and plugs before initial startup where applicable.
  • Refill all fluids with manufacturer-specified oil and coolant.
  • Verify sensors, ECU pinouts and grounds against your chassis or hull wiring.
  • Startup warranty covers heads, block and internal lubricated components for 30 days from delivery.

Full terms: 30-day startup warranty · returns

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