The Mercury 9.9 outboard engine is the right choice for sailboat and kicker applications. The 9.9 HP Mercury Outboard Motor model# 9.9MXLH is an affordable outboard, equipped with an extra long 25 inch shaft and manual start, Mercury’s 3 year factory warranty, and auto ratchet trim and multi function tiller control.
Additional information
| Horsepower | 9.9 HP |
|---|---|
| Shaft Length | 25″ (Extra Long) |
| Starter Type | Manual |
| Tilt & Trim | Manual |
FEATURES
- 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
SPECS
| MODEL | 9.9MXLH |
|---|---|
| MODEL YEAR | 2021 |
| SKU | 9.9MXLH-21 |
| WEIGHT | 89.0 lb |
| MANUFACTURER | Mercury |
| COUNTRY OF MANUFACTURE | Japan |
| HORSEPOWER | 9.9hp |
| SHAFT LENGTH | 25″ (Extra Long) |
| STEERING | Tiller |
| STARTING | Manual |
| TRIM & TILT | Manual |
| FUEL DELIVERY | Carburetor |
| FUEL TANK | External |
| CYLINDER(S) | 2 |
| DISPLACEMENT | 208 cc (12.8 cubic inches) |
| BORE AND STROKE | 55 x 44 mm (2.16 x 1.73 inches) |
| FULL THROTTLE RPM RANGE | 5000-6000 |
| IGNITION SYSTEM | Digital CD Ignition w/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 |
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

Honda Marine BF40DK4LRTC L-Type, 20 in. Shaft
Tohatsu 9.8HP | MFS9.8BL
Mercury 3.5MLH FourStroke Outboard Motor
Tohatsu 9.9HP | MFS9.9EEPTL
2017 Evinrude 15 HP E15RGL4 Outboard Motor
Yamaha 200HP DEC | LF200LCA
Honda Marine BF250DXCRC X-Type, 25 in. Shaft
2018 Suzuki Marine 15 HP DF15AS EFI Outboard Motor
2021 HONDA 9.9 HP BFP10D3LHT Power Thrust Outboard Motor
Mercury 5HP 5MH Outboard
2018 Suzuki Marine 9.9 HP DF9.9BTX EFI Outboard Motor
Tohatsu 9.9HP | MFS9.9EEFTL
Tohatsu 6HP Sail Pro | MFS6DWSPROL
Tohatsu 8HP Outboard | MFS8BS
Mercury 5MXLH FourStroke
Mercury 8ELH FourStroke Outboard Motor
Mercury Verado 400HP XL Outboard
2021 HONDA 9.9 HP BF10DK3LHS Outboard Motor 