If you’re shopping for a portable 20hp outboard, the Tohatsu MFS20 and Mercury 20 FourStroke should be at the top of your list. Both are popular choices for jon boats, inflatables, tenders, and small fishing rigs, thanks to their lightweight design, easy handling, and modern EFI technology. But which 20hp engine is best for your needs? Here’s a full comparison of Tohatsu 20 hp vs Mercury 20 hp to help you pick the right motor for your adventures on the water.
Quick Picks
- Best Overall: Tohatsu MFS20E – Lightweight, fuel-injected, affordable, and easy to maintain for most boaters.
- Best Tech & Dealer Support: Mercury 20 FourStroke – Modern looks, tech upgrades, and the broadest dealer/service network.
- Best Value: Tohatsu MFS20E – Slightly lower price, same proven power, and easy DIY service for years of reliable boating.
Buyer’s Guide
Here’s what to consider when picking your 20hp outboard:
- Weight: Both Tohatsu and Mercury 20hp models are among the lightest EFI outboards in their class, typically under 100 lbs for short shaft, manual-start versions. Both are ideal for portable use, car-topping, or lifting on and off the transom.
- Starting: Both brands offer manual and electric start options. Both use EFI for easy, reliable starting every time—no choke or priming needed, even in cold weather.
- Performance: Both deliver smooth, quiet power with excellent throttle response and strong torque. Tohatsu is known for strong low-end push, while Mercury often has a slight edge in top-end smoothness.
- Fuel Efficiency: Both are fuel injected and sip fuel at trolling speeds or wide open. Expect excellent fuel economy from either engine.
- Maintenance: Tohatsu is famous for simple, rugged construction and owner-friendly maintenance. Mercury offers digital diagnostics and more tech features but may require dealer help for some tasks.
- Dealer Network: Mercury’s network is the largest in North America, with easy parts/service access. Tohatsu’s dealer support is growing but may be less widespread in some regions.
- Price: Tohatsu is usually priced a bit lower for similar features. Mercury commands a small premium for branding and extra features.
Detailed Product Reviews
1. Tohatsu MFS20E
Who it’s for: Boaters wanting lightweight, reliable, and easy-to-maintain power for small fishing boats, tenders, or inflatables.
- Key Benefits:
- Weighs just under 100 lbs (manual short shaft) for easy carrying and mounting.
- Electronic fuel injection for instant starts and smooth running—no choke required.
- Very affordable for an EFI 20hp outboard.
- Simple controls and easy owner maintenance.
- Pros:
- Lightweight for car-topping or use on small boats.
- DIY-friendly for oil changes, spark plugs, and basic care.
- Excellent value for the power and features offered.
- Cons:
- Dealer/service network not as large as Mercury.
- No digital gauges or advanced tech upgrades.
Final Verdict: The Tohatsu MFS20E is a smart pick for boaters seeking dependable, portable power and low-cost maintenance. See MFS20E pricing
2. Mercury 20 FourStroke
Who it’s for: Boaters who want modern looks, more tech features, and broad dealer support for travel or remote boating.
- Key Benefits:
- Fuel-injected for smooth, efficient performance at any speed.
- Multiple models: manual or electric start, tiller or remote, short or long shaft.
- Command Thrust model for more torque and bigger props (great for heavy boats or pushing loads).
- Widest dealer/service network in North America.
- Pros:
- Excellent resale value and brand reputation.
- Advanced features like digital diagnostics and optional big-tiller handle.
- Great for travel or when you need support far from home.
- Cons:
- Priced a bit higher than Tohatsu for comparable models.
- Slightly heavier on some models (especially electric start).
Final Verdict: The Mercury 20 FourStroke is the top choice for boaters who want the broadest support and extra features, especially for frequent travelers or those upgrading from older engines. See Mercury 20 pricing
Comparison Table
| Name | Key Features | Specs / Weight | Price Link |
|---|---|---|---|
| Tohatsu MFS20E | Lightweight, EFI, simple maintenance | 20hp, EFI, ~97 lbs | See MFS20E pricing |
| Mercury 20 FourStroke | Modern, tech features, big dealer network | 20hp, EFI, ~99 lbs | See Mercury 20 pricing |
FAQ Section
- Q: Are Mercury and Tohatsu 20hp outboards the same engine?
A: Tohatsu manufactures many Mercury portable outboards under 30hp, but each brand sets its own specs, styling, and features. Always check the details for your model year. - Q: Which is lighter?
A: The Tohatsu MFS20E is typically a pound or two lighter than Mercury 20hp in manual, short shaft versions—both are among the lightest EFI outboards available. - Q: Which is quieter?
A: Both are quiet for their size, but Mercury is known for especially smooth idle and top-end noise reduction. - Q: Which has better resale and support?
A: Mercury wins for resale value and dealer/service network. Tohatsu offers excellent value, but check for local dealer support in your area. - Q: Are both available in electric start?
A: Yes—both brands offer manual and electric start options, as well as tiller or remote steering, and multiple shaft lengths.
Conclusion
Both the Tohatsu MFS20E and Mercury 20 FourStroke are excellent 20hp EFI outboards, offering light weight, easy starting, and reliable power for small boats. Choose Tohatsu for the best value, simplicity, and easy maintenance. Pick Mercury if you want extra features, digital options, and the security of the largest dealer network. Either way, you’ll enjoy years of dependable, portable boating wherever your travels take you.