The 3.5 hp 4-stroke is the perfect outboard for a variety of small boats. This dynamic little powerhouse may be petite in size, but has all of the benefits you need in an outboard.

The 3.5 hp is lightweight and has a four point vibration absorption system to minimize vibration. And with sensational fuel economy, this compact little 3.5hp engine has it all… making it one of the best choices available for portable outboard power.

Tohatsu 3.5 hp 4-Stroke Benefits

  • Water cooled and thermostatically controlled cooling system for consistent engine temperature
  • Digital CD ignition system for easier starting, quicker throttle response and smoother trolling
  • Forward-neutral shifting with 360° steering
  • Easy to check oil level gauge indicator located on the engine's side
  • Light and compact
  • Convenient carrying handle
  • Ultra-low emission, EPA and CARB 3-Star rating approved
  • 5 Year limited warranty


Offset Engine

This Tohatsu patented powerhead design is tilted 15 degrees to the right inside the lower motor cover to create a compact top cowling design and also help with portability.

Throttle Grip

The twist type throttle control is provided on the steering handle for quick steering as well as one-handed operation to assure your safety.

360° Full Pivot Steering

The outboard can be turned to any direction, up to 360 degrees, for simple steering that is needed for small boats.

Oil Level Sight-Gauge

Conveniently located on the side of the motor, the oil level sight- gauge makes it easy to check the oil level without having to remove the cowling.

Four Point Vibration Absorb System

The specifically designed motor mounting system efficiently absorbs vibration at all rpm ranges.


Engine (No. of Cylinder) 1
Output 3.5 hp (2.6 kw)
Displacement 85.5 cc (5.2 cu.in.)
Bore x Stroke 55 x 36 mm (2.17 x 1.42 in)
Starting Manual
Control Type Tiller Handle
Gear Shift Forward - Neutral
Gear Ratio 2.15:1
Propeller Selection Range 4.5" - 7"
Transom Height 15", 20"
Fuel Unleaded Gasoline (87 Octane)
Oil Type NMMA Certified FC-W® 4-stroke oil** SAE 10W-30/40 (SF, SG, SH, SJ)
Oil Capacity 10 fl. oz. (300 mL)
Fuel Tank 0.26 US Gal. (1 Lit.) Integral Tank
Weight* 41 lbs. (18.4 kg)
Alternator Output N/A
Max. RPM Range 5,000 - 6,000
Digital CD Ignition System S
Thermostat Controlled Cooling System S
  • S......Standard Features
  • O......Optional on Certain Models
* Weight specification is based on the lightest version.
** FC-W® is a registered trademark of the National Marine Manufacturers Assoc. (NMMA)
Specifications and descriptions are subject to change without notice.
Model MSRP Shaft Length Cylinders Tiller Handle Propeller
MFS3.5BS $1,180 15 1
MFS3.5BL $1,214 20 1
  • MSRP is the "Manufacturer's Suggested Retail Price" (US$). Actual retail price may vary. Please contact your local dealer for actual retail price.
  • Specifications subject to change without notice. Additional models and/or configurations may be available. Contact your local dealer for details.


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