Mercury 20EH FourStroke Outboard Motor – Specifications
| Feature | Description |
|---|---|
| Model | Mercury 20EH FourStroke |
| Engine Type | 4-Stroke, 2-Cylinder, SOHC |
| Displacement | 333 cc (20.3 cu. in.) |
| Maximum Output | 20 HP @ 5400?6100 RPM |
| Fuel System | Electronic Fuel Injection (EFI) |
| Starting System | Electric Start |
| Controls | Tiller Handle |
| Shaft Length | 15 inches (Short Shaft) |
| Steering | Tiller Steering |
| Gear Shift | F-N-R (Forward – Neutral – Reverse) |
| Gear Ratio | 2.15:1 |
| Alternator | 12 Amps / 145 Watts |
| Cooling System | Water-cooled with thermostat |
| Fuel Tank | External (6.6 gallons / 25 L tank included) |
| Dry Weight | 99 lbs / 45 kg |
| Propeller | Included ? 3-blade aluminum |
| Trim & Tilt | Manual Trim and Tilt |
| Color | Phantom Black |
| Recommended Use | Aluminum tiller, jon boats, inflatables |
| Warranty | 3-Year Limited Manufacturer Warranty |
| Certifications | EPA Compliant, CARB 3-Star Rated, CE Certified |












Birdie Reyes (verified owner) –
Unbelievable power and quiet operation. This boat engine upgraded my entire fishing trip.
Kellan Cross (verified owner) –
Professional, patient, and knowledgeable—that’s the IDMTB team in three words. Well done!
Delilah Sanders (verified owner) –
Zero complaints, only praise for IDMTB. They run a tight, professional ship.
Beck Patton (verified owner) –
Provided direct contact for warranty claims. IDMTB is fully supportive.
Sasha Evans (verified owner) –
Exceptional communication from IDMTB. Always kept me in the loop.