Horsepower: 9.8
Shaft Length: 25″
Starter Type: Electric
Tilt & Trim: Manual
Fuel Tank: External 3.1 gallon

Unmatched in its class, the Tohatsu 9.8 hp 4-stroke has set the standard in portable outboard power! This lightweight motor weighs in at barely over the 80 lb mark and has undeniable characteristics of a true marine champion.

The Tohatsu 9.8hp outboard is fuel efficient and big on power while never compromising performance or reliability. It has a ton of features that are usually only found on larger, more expensive outboards. We pack a lot of punch for the buck in this truly unique outboard! Tohatsu has once again proven itself the leader of the pack with this 9.8 hp 4-stroke.


Buy Tohatsu 9.8 HP MFS9.8BSPROEFUL Outboard Motor

Tohatsu 9.8hp Outboard Model MFS9.8BSPROEFUL with a 25 inch ultra long shaft and convenient electric start has set the standard in portable outboard power. At just 95 lbs, the 9.8hp Tohatsu outboard engine is light and compact yet still delivering the power you crave. Perfect for auxiliary power on a sailboat or trolling, this Tohatsu outboard is known for it’s quiet ride and great fuel efficiently.

The MFS9.8BSPROEFUL model also includes a 4 blade high thrust prop.  Standard features on this Tohatsu outboard include forward, neutral and reverse shift lever on the front of the engine, a 5 year factory warranty and an external 3.1 gal. fuel tank. Free shipping to the lower 48 states.

The Tohatsu MFS 9.8 is available in the following configurations:

MFS9.8BSManual Start, 15″ Short Shaft
MFS9.8BLManual Start, 20″ Long Shaft
MFS9.8BEFSElectric Start, 15″ Short Shaft
MFS9.8BEFLElectric Start, 20″ Long Shaft
MFS9.8BSPROEFUL: Electric Start, 25″ Extra Long Shaft


Tohatsu 9.8 hp 4-Stroke Benefits

  • Light and compact!
  • Designed with proven technology
  • Reduced vibration for smooth and stable running at all speeds
  • Greatly reduced induction noise for a quieter ride
  • Trim tab reduces steering effort, functioning also as the sacrificial anode that protects the engine from electrolysis
  • Ultra Low emission, EPA and CARB 3-Star rating approved
  • 5 Year limited warranty

Easy Operation and Handling

  • Digital CD ignition for easier engine starting, quicker throttle response and smoother trolling
  • Manual choke on tiller models
  • Recoil starter with larger reel making manual starting fast and easy
  • Shallow water drive*
  • 6 trim positions*
  • Adjustable steering friction for reducing steering effort*

Fundamentals for User Convenience and Reliability

  • Through-the-prop exhaust for a quieter ride
  • Thermostatically controlled cooling system for consistent engine temperature
  • Stainless steel water pump housing liner for outstanding durability
  • High grade marine aluminum alloy that provides the ultimate protection against corrosion
  • Zinc coating on internal water passages for superior corrosion resistance
  • 3.1 Gallon (12 liter) fuel tank with fuel gauge
  • Aluminum propeller


  • Low oil pressure indicator
  • Safety lanyard (an essential protection feature standard on all Tohatsu outboards)
  • Start-in-gear protection for safer engine starting
  • Over-rev. limiter
*certain models


  • Fuel Tank (3.1 gallon)
  • Quick Connect Fuel Line
  • 4 Blade High Thrust Aluminum Propeller
  • Owner’s Manual & Tool Kit
  • Tohatsu 5-Year Warranty
weights 95.0 lb
Manufactured by Tohatsu
HPs 9.8hp
shaft 25″ (Extra Long)
steering Tiller
Starting Electric
TRIM & TILT Manual
Fuel Delivery Carburetor
Fuel Tanks External
Cylinder(s) 2
Displacements 209 cc (12.8 cubic inches)
Bore & stroke 55 x 44 mm (2.17 x 1.73 inches)
RPM 5,000-6,000 RPM
Ignition System Digital CD Ignition
Induction Scavenging SOHC
Valves per cylinder 2
Fuel Types Unleaded Gasoline (87 octane)
Fuel Tank / Fuel Line 3.1 Gal. Fuel Tank + Quick Connect Fuel Line
Oil Type SAE 10W-30 or SAE 10W-40 (SF, SG, SH, SJ)
Oil Capacity 27 fl. oz. (800 ml)
Lubrications Wet Sump
Alternators 12V 80W 6A (standard on elec. start models)
Cooling System Water-Cooled, Thermostatically Controlled
Salt Water Rated Yes
Gear Ratios 2.08:1
Gear Shifts Forward-Neutral-Reverse (front mount shifter)
Propeller 8.5″ Dia. X 5.0″ Pitch 4-Blade Aluminum


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