2017 Tohatsu 8 HP MFS8BL Outboard Motor
The 2017 Tohatsu 8 HP MFS8BL Outboard Motor is a compact, fuel-efficient, and lightweight marine engine designed for boaters who demand reliability, quiet performance, and outstanding durability. Built in Japan using high-grade marine alloys and precision engineering, this 8-horsepower outboard motor delivers smooth, dependable power for jon boats, inflatable boats, sailboats, skiffs, and auxiliary kicker applications.
Designed with a twin-cylinder four-stroke configuration, the 2017 Tohatsu 8 HP MFS8BL Outboard Motor combines easy portability with impressive torque and excellent fuel economy. At just 83.8 lbs, it stands as one of the lightest engines in its class, making installation, transport, and handling effortless. Whether you’re fishing shallow waters, cruising inland lakes, or navigating coastal areas, this engine provides consistent thrust, reliable starts, and low operating noise.
Engineered for real-world boating conditions, this outboard motor integrates advanced digital ignition, corrosion-resistant materials, thermally regulated cooling, and safety-enhancing technologies. From recreational boaters to professional operators, this motor represents one of the most dependable small horsepower marine solutions available today.
Why Choose the 2017 Tohatsu 8 HP MFS8BL Outboard Motor?
Selecting the right outboard motor directly affects your boat’s performance, fuel consumption, reliability, and long-term ownership costs. The 2017 Tohatsu 8 HP MFS8BL Outboard Motor excels across all these areas.
Key Advantages at a Glance
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Ultra-lightweight design at 83.8 lbs
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Twin-cylinder 4-stroke technology
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Exceptional fuel efficiency
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Whisper-quiet operation
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Durable marine-grade construction
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Long 20-inch shaft for improved propulsion
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Simple manual start system
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5-year manufacturer warranty
This balance of portability, performance, and longevity makes it ideal for small to mid-sized boats and auxiliary propulsion roles.
Advanced Engineering & Performance Capabilities
Twin-Cylinder Four-Stroke Design
The twin-cylinder configuration ensures smoother power delivery, reduced vibration, and consistent throttle response. Unlike single-cylinder alternatives, twin-cylinder engines deliver:
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Improved torque output
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Lower mechanical stress
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Reduced engine fatigue
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Longer service intervals
This design is particularly beneficial during extended cruising, trolling, and variable-speed operation.
Digital CD Ignition System
The advanced digital ignition system delivers instant, reliable starting in both cold and warm conditions. It ensures:
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Faster ignition response
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Stable idle speed
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Improved fuel combustion
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Reduced emissions
This technology enhances engine efficiency while improving overall durability.
Exceptional Fuel Efficiency
The 2017 Tohatsu 8 HP MFS8BL Outboard Motor is engineered for minimal fuel consumption, allowing longer run times on a single tank. With a 3.1-gallon external fuel tank, users enjoy:
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Extended cruising range
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Reduced fuel costs
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Lower carbon footprint
Fuel-efficient motors reduce long-term ownership expenses while maximizing time on the water.
Durable Marine-Grade Construction
Built in Japan with premium manufacturing standards, this outboard features corrosion-resistant materials designed to withstand harsh marine environments.
High-Grade Marine Alloy Components
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Saltwater-rated protection
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Zinc-coated water passages
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Stainless steel water pump housing
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Sacrificial zinc anodes
These features prevent corrosion, extend engine life, and reduce maintenance costs.
Thermostatically Controlled Cooling System
Efficient water cooling ensures optimal engine temperature across all operating conditions. This results in:
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Stable combustion temperatures
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Reduced engine wear
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Enhanced long-term reliability
Quiet Operation & Smooth Performance
Noise reduction is critical for fishing, cruising, and recreational boating. The through-the-propeller exhaust system dramatically minimizes sound levels while maintaining engine efficiency.
Benefits of Quiet Operation
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Improved comfort
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Enhanced fishing experience
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Reduced environmental disturbance
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Pleasant cruising
The smooth throttle response and steady RPM output make handling precise and predictable even in choppy waters.
Applications & Ideal Boat Types
The 2017 Tohatsu 8 HP MFS8BL Outboard Motor is extremely versatile, making it suitable for a wide variety of vessels:
Perfect For:
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Jon boats
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Inflatable boats
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Small skiffs
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Dinghies
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Sailboats
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Trolling or kicker motors
Its 20-inch long shaft ensures optimal thrust in both shallow and moderate-depth waters.
Handling, Steering & Control Systems
Tiller Steering with Adjustable Friction
The tiller handle offers excellent ergonomics and precise throttle control. Adjustable friction allows users to fine-tune steering resistance based on conditions and preferences.
Forward Mounted Gear Selector
Front-mounted gear shifting improves accessibility and safety, allowing quick transitions between:
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Forward
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Neutral
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Reverse
This enhances maneuverability during docking, tight turns, and low-speed navigation.
Twist-Grip Throttle with Tension Control
Allows smooth acceleration and deceleration while preventing unintended throttle changes during vibration or wave impact.
Safety Systems & Protective Engineering
The engine integrates several advanced safety systems to protect both the operator and the motor itself.
Key Safety Features
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Start-in-gear protection
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Low oil pressure warning
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Over-rev RPM limiter
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Emergency kill switch with lanyard
These systems reduce mechanical damage risk while ensuring operator safety in unpredictable marine conditions.
Technical Specifications Overview
Model: MFS8BL
Year: 2017
Horsepower: 8 HP
Weight: 83.8 lbs
Shaft Length: 20 inches
Fuel Type: Unleaded gasoline (87 octane)
Fuel Delivery: Carburetor
Displacement: 209 cc
Cylinders: 2
Gear Ratio: 2.08:1
Cooling System: Water-cooled, thermostatically controlled
Starting System: Manual
Steering: Tiller
Warranty: 5 years
Benefits of the 2017 Tohatsu 8 HP MFS8BL Outboard Motor
Pros
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Ultra-light design
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Excellent fuel efficiency
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Reliable Japanese engineering
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Quiet operation
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Corrosion-resistant materials
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Smooth throttle control
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Long-term durability
Cons
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Manual start only
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No built-in battery charging system (optional alternator available)
Practical Usage Tips for Maximum Performance
To achieve the best performance and longevity:
1. Proper Break-In Procedure
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Operate at varying RPM for the first 10 hours
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Avoid full throttle during initial operation
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Gradually increase speed
2. Routine Maintenance Schedule
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Change engine oil every 100 hours
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Inspect water pump annually
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Flush cooling system after saltwater use
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Replace spark plugs yearly
3. Optimal Propeller Selection
The included aluminum propeller provides balanced performance, but upgrading prop pitch based on boat weight can enhance speed and fuel efficiency.
Real-World Performance Example
A coastal fishing guide operating inflatable tenders tested the 2017 Tohatsu 8 HP MFS8BL Outboard Motor over a 12-month period. The engine logged over 450 operational hours without any mechanical failures, delivering consistent starts, quiet cruising, and low fuel consumption — even under heavy load.
This real-world reliability confirms why professional operators trust Tohatsu engines for commercial and recreational use alike.
Expert Opinion
Marine technicians widely recognize Tohatsu as one of the most mechanically reliable small-engine manufacturers in the industry. Their engineering philosophy emphasizes:
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Mechanical simplicity
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Long service intervals
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Corrosion resistance
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Lightweight materials
The 2017 Tohatsu 8 HP MFS8BL Outboard Motor perfectly reflects this approach, delivering performance that exceeds expectations within its class.
What’s Included in the Box
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3.1-gallon fuel tank
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Quick-connect fuel line
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Aluminum propeller
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Owner’s manual
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Emergency toolkit
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5-year factory warranty
Buying Considerations
Before purchasing:
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Confirm shaft length compatibility (20”)
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Ensure transom height compatibility
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Evaluate intended usage (trolling vs cruising)
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Consider optional alternator for electronics
Long-Term Ownership Value
The combination of low maintenance, high durability, excellent fuel economy, and long warranty coverage makes this engine an outstanding long-term investment.
Compared to competing brands, owners report:
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Lower repair costs
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Better parts availability
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Longer engine lifespan
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Higher resale value
Conclusion
The 2017 Tohatsu 8 HP MFS8BL Outboard Motor stands as a benchmark in lightweight marine propulsion, delivering exceptional fuel economy, quiet performance, rugged durability, and advanced engineering. Whether you’re powering a fishing skiff, inflatable boat, or sailboat tender, this outboard provides dependable thrust and long-term reliability.
For boaters seeking compact power without compromise, the 2017 Tohatsu 8 HP MFS8BL Outboard Motor remains one of the most trusted and respected engines in its class. Contact Us
1. Is the 2017 Tohatsu 8 HP MFS8BL Outboard Motor suitable for saltwater use?
Yes. It features corrosion-resistant components, zinc anodes, and saltwater-rated construction.
2. How fuel efficient is the 2017 Tohatsu 8 HP MFS8BL Outboard Motor?
It is among the most fuel-efficient 8 HP outboards, allowing extended operation on its 3.1-gallon tank.
3. What type of boats work best with this outboard?
Ideal for jon boats, inflatables, skiffs, dinghies, and sailboat auxiliary propulsion.
4. Does this motor include electric start?
No, it uses a manual starting system for simplicity and reliability.
5. What warranty coverage is included?
It includes a 5-year factory warranty.
6. How much does the engine weigh?
It weighs only 83.8 lbs, making it one of the lightest in its class.
7. What shaft length does this model use?
This model features a 20-inch long shaft.
8. Is an alternator available for charging electronics?
Yes, an optional 12V alternator kit can be installed.





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