Description

Tohatsu 9.8HP EFI Outboard Motor | MFS9.8CS | Manual Start, Tiller Steering, 15″ Short Shaft

The Tohatsu MFS9.8CS represents the next evolution of portable outboard performance. Featuring Tohatsu’s innovative battery-less Electronic Fuel Injection (EFI) technology, this lightweight 9.8HP four-stroke outboard delivers exceptional fuel economy, improved torque, and reliable starting performance without requiring a battery.

As one of the lightest twin-cylinder EFI outboards in its class, the MFS9.8CS is an ideal choice for inflatable boats, aluminum fishing boats, dinghies, utility boats, tenders, and recreational watercraft that require dependable and efficient power.

Advanced Battery-Less EFI Technology

The MFS9.8CS is equipped with Tohatsu’s advanced battery-less Electronic Fuel Injection system, providing significant improvements in performance and efficiency over traditional carbureted engines.

EFI Advantages

• Battery-less EFI operation
• Reliable starting in all conditions
• Improved fuel efficiency
• Instant throttle response
• Cleaner combustion
• Reduced maintenance requirements

The innovative EFI system eliminates the need for a starting battery while delivering the benefits of modern fuel injection technology.

Exceptional Fuel Efficiency

The next-generation EFI system helps maximize fuel economy without sacrificing performance.

Fuel Economy Benefits

• Up to 35% lower fuel consumption compared to the previous MFS9.8B model
• Reduced operating costs
• Extended cruising range
• Optimized fuel delivery
• Cleaner engine operation

Boaters can spend more time on the water while using less fuel.

Increased Torque and Performance

The MFS9.8CS delivers stronger acceleration and improved overall performance thanks to significant torque improvements.

Performance Enhancements

• Up to 20% more torque than the previous MFS9.8B model
• Faster acceleration
• Better load-carrying capability
• Improved responsiveness
• Enhanced low and mid-range performance

These upgrades make the outboard more capable in demanding boating conditions.

Lightweight Twin-Cylinder Design

The MFS9.8CS features a smooth-running twin-cylinder engine while remaining one of the lightest EFI outboards in its category.

Lightweight Benefits

• Easy transportation
• Simple installation and removal
• Improved portability
• Better boat balance
• Reduced transom weight

The lightweight design makes this outboard particularly attractive for boaters who frequently transport their engines.

Smooth and Reliable Four-Stroke Operation

Powered by a 209cc twin-cylinder four-stroke engine, the MFS9.8CS provides refined performance and long-term durability.

Engine Features

• Twin-cylinder design
• Smooth operation
• Reduced vibration
• Reliable performance
• Consistent power delivery
• Excellent fuel economy

The twin-cylinder configuration provides smoother running characteristics than many single-cylinder alternatives.

Enhanced User-Friendly Features

Tohatsu has incorporated several practical upgrades to improve convenience and ownership experience.

Convenience Features

• Newly designed carrying handle
• Water-cooled fuel pump
• Easy-to-use flushing port
• Improved crankcase ventilation system
• Improved center of gravity
• Standard tiller steering

These features improve durability, handling, and ease of maintenance.

Ideal Applications

The Tohatsu MFS9.8CS is ideal for:

• Inflatable boats
• Fishing boats
• Dinghies and tenders
• Utility boats
• Jon boats
• Small recreational boats
• Sailboat auxiliary power

Its combination of lightweight portability and strong performance makes it one of the most versatile portable outboards available.

Technical Specifications

Engine Specifications

• Engine Type: Tohatsu MFS9.8CS Four-Stroke
• Horsepower: 9.8HP
• Cylinders: 2 Cylinders
• Displacement: 209cc
• Induction System: Electronic Fuel Injection (EFI)
• Full Throttle Range: 5300–6200 RPM

Controls

• Steering: Tiller
• Starting System: Manual Start

Dimensions & Weight

• Shaft Length: 15″ Short Shaft
• Weight: 85 lbs

Standard Equipment

• Propeller
• 3.1-Gallon External Fuel Tank
• Fuel Line Hose
• Service Tool Kit & Parts
• Stop Switch Lanyard
• Owner’s Manual

Warranty

• Tohatsu 5-Year Limited Warranty

Frequently Asked Questions

What makes the Tohatsu MFS9.8CS different from previous models?

The MFS9.8CS features Tohatsu’s new battery-less EFI system, providing improved fuel efficiency, increased torque, and easier starting.

Does the EFI system require a battery?

No. The battery-less EFI system operates without the need for a starting battery.

How much fuel savings does the MFS9.8CS provide?

The engine delivers up to 35% lower fuel consumption compared to the previous MFS9.8B model.

How much more torque does it produce?

The MFS9.8CS provides up to 20% more torque than the previous generation MFS9.8B.

Is this a twin-cylinder engine?

Yes. It features a smooth-running 209cc twin-cylinder four-stroke engine.

What shaft length does this model have?

This version comes with a 15-inch short shaft for short-shaft transoms.

How much does the outboard weigh?

The MFS9.8CS weighs approximately 85 lbs.

Does the motor include a fuel tank?

Yes. It includes a 3.1-gallon external fuel tank and fuel line hose.

What boats are suitable for this engine?

It is ideal for inflatables, dinghies, fishing boats, utility boats, tenders, and small recreational vessels.

What warranty is included?

The Tohatsu MFS9.8CS is backed by a Tohatsu 5-Year Limited Warranty.