Mercury 20MLH EFI 20HP Outboard Motor – Full Specs & Features (2024)
Product Overview
The Mercury 20MLH EFI is a 20HP 4-stroke outboard motor featuring Electronic Fuel Injection (EFI) for superior fuel efficiency, instant starts, and smooth acceleration. Designed for small boats, fishing vessels, and inflatables, this lightweight (99 lbs) and compact engine delivers reliable power with low emissions.
✅ Key Benefits:
✔ Electronic Fuel Injection (EFI) – Better fuel economy, no choking, and easy cold starts
✔ Lightweight (45 kg / 99 lbs) – Easy to transport and install
✔ Low Maintenance – No carburetor cleaning required
✔ Quiet & Vibration-Free – Rubber-mounted engine reduces noise
✔ Saltwater-Ready – Corrosion-resistant materials for durability
📋 Technical Specifications
| Model | Mercury 20MLH EFI |
|---|---|
| Engine Type | 2-Cylinder, 4-Stroke |
| Horsepower (HP) | 20 HP @ 5,500 RPM |
| Displacement | 327 cc |
| Fuel System | Electronic Fuel Injection (EFI) |
| Starting System | Manual Pull Start (Electric Start Optional) |
| Shaft Length | 20″ (508 mm) – Mid-Long |
| Gear Ratio | 2.15:1 |
| Weight | 45 kg (99 lbs) |
| Fuel Tank | 12L (3.17 gal) Internal + External Option |
| Oil Capacity | 1.1L (1.16 qt) |
| Alternator Output | 6A (for battery charging) |
| Warranty | 3-Year Limited (US & Canada) |
⚡ Performance & Efficiency
-
Fuel Consumption: ~2.5L/hour at cruising speed
-
Top Speed: 22-28 mph (varies by boat type)
-
Best For: Jon boats, inflatables, tenders, and small fishing boats
-
Emissions Compliance: Meets EPA, EU RCD, and CARB standards
🔧 Maintenance & Durability
-
Service Intervals: First service at 20 hours, then every 100 hours
-
Recommended Oil: Mercury 4-Stroke 10W-30
-
Gearcase Oil: Mercury High-Performance Gear Lube
-
Expected Lifespan: 3,000+ hours with proper care
🔄 Propeller Options
-
Standard: 3-Blade Aluminum (9.25″ Diameter)
-
Upgrade Options: Stainless Steel & High-Thrust Props
🔍 Why Choose the Mercury 20MLH EFI?
✔ Best-in-class fuel efficiency (up to 30% better than carbureted models)
✔ Lightest 20HP EFI outboard for easy handling
✔ Reliable cold starts in all weather conditions
✔ Low emissions for eco-friendly boating
❓ Frequently Asked Questions (FAQ)
Q: Is the Mercury 20MLH EFI good for saltwater?
A: Yes! It has corrosion-resistant materials and anodes for saltwater protection.
Q: Does it come with electric start?
A: The base model has manual pull start, but electric start is optional.
Q: What boats is this motor best for?
A: Ideal for small fishing boats (12-16 ft), inflatables, jon boats, and tenders.
Q: How does it compare to Yamaha F20 & Tohatsu MFS20?
A: The Mercury 20MLH EFI is lighter and more fuel-efficient than the Yamaha F20 (carbureted) and similar to the Tohatsu MFS20 (also EFI).
🎯 Final Verdict – Best 20HP EFI Outboard?
The Mercury 20MLH EFI is one of the best 20HP outboards for fuel efficiency, reliability, and lightweight performance. Whether you need a motor for fishing, cruising, or tender use, this EFI-powered outboard delivers smooth, low-maintenance operation.
👉 Looking for the best price? Check availability at authorized Mercury dealers today!
Reviews
There are no reviews yet.