Description
HORSEPOWER : 20hp
WEIGHT : 103.0 lb
SHAFT LENGTH : 15″ (Short)
STARTING : Manual
FUEL DELIVERY : EFI
STEERING : Tiller
FEATURES
- Large Displacement Powerhead (351cc)
- Thru-Cowl Backup Manual Start
- Digital CD Ignition with Spark Advance
- Tuned Intake for Quick Acceleration
- 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
- Heavy Duty Transom Mounting Bracket
- Quiet Through-Propeller-Hub Exhaust
- “Wishbone” Mount for Reduced Vibration
- 3.2 Gallon Fuel Tank and Fuel Line
- Easy Maintenance Canister Oil Filter
- 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
SPECIFICATIONS
| MODEL | 1A20201LK |
|---|---|
| MODEL YEAR | 2025 |
| SKU | 20MH-25EFI |
| MANUFACTURER | Mercury |
| COUNTRY OF MANUFACTURE | Japan |
| HORSEPOWER | 20hp |
| WEIGHT | 103.0 |
| SHAFT LENGTH | 15″ (Short) |
| STEERING | Tiller |
| STARTING | Manual |
| TRIM & TILT | Manual |
| FUEL DELIVERY | EFI |
| FUEL TANK | External |
| CYLINDER(S) | 2 |
| DISPLACEMENT | 333 cc (20.3 cubic inches) |
| BORE AND STROKE | 61 mm x 57 mm (2.402 in. x 2.244 in.) |
| FULL THROTTLE RPM RANGE | 5400-6100 |
| IGNITION SYSTEM | CDI w/electronic spark advance |
| INDUCTION SCAVENGING | SOHC |
| VALVES PER CYLINDER | 2 |
| FUEL TYPE | 87 octane/up to 10% ethanol |
| FUEL TANK / FUEL LINE | 3.2 Gallon/12 Liter |
| OIL TYPE | Mercury 4-Stroke Outboard Oil |
| OIL CAPACITY | 1 Quart (1000 ml) |
| LUBRICATION | Trochoid Pump |
| ALTERNATOR | Optional 12 amp / 138 watt (Electric) |
| COOLING SYSTEM | Water-cooled with thermostat |
| SALTWATER RATED | Yes |
| GEAR RATIO | 2.15 |
| GEAR SHIFT | Forward-Neutral-Reverse |
| PROPELLER | 9.2″ Diameter X 9.8″ 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
SHAFT LENGTH GUIDELINES








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