MFS4

MFS4

PORTABLE

When you have a small boat that needs reliable power, look to Tohatsu’s 4 hp 4-stroke. It provides Tohatsu’s legendary quality while also providing cleaner emissions for you and the environment.

This portable best-seller has been upgraded with newly designed top and bottom cowls based on Tohatsu Design Philosophy for Marine Products with ergonomically designed front and back carrying handles.

In addition, you can now store your engine in 3 different positions without worrying about oil spillage.
*Please refer to Owner’s Manual for storage and transportation guidelines.

Tohatsu 4 hp 4-Stroke Benefits

  • Newly designed top and bottom cowls based on Tohatsu Design Philosophy for Marine Products
  • 3-way storage positions without worrying about oil spill
  • Light and compact
  • Front mounted shift lever, an industry first in its class
  • Designed with proven technology
  • Greatly reduced vibration for smooth and stable running at all speeds
  • Greatly reduced induction noise for a quieter ride
  • Ultra-low emission, EPA and CARB 3-Star rating approved
  • 5 Year limited warranty

Easy Operation and Handling

  • Newly designed Tohatsu’s unique front and back carrying handles for easier transportation
  • Digital CD ignition for easier engine starting, quicker throttle response and smoother trolling
  • Recoil starter with larger reel making manual starting fast and easy
  • Shallow water drive
  • 6 trim positions
  • Adjustable steering friction for reducing steering effort
  • New longer tiller handle (110mm extension)

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
  • Aluminum propeller

Protection

  • 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

FEATURES

Front & Back Large Carry Handles

Ergonomically designed new Large Front & Back Carrying Handles which allow easier carry and transportation from having one handle positioned slightly below another.

3-Way Storage

3-way storage positions (Port, Front & Starboard side down) without worrying about oil spill. *Please refer to Owner’s Manual for storage and transportation.

Front Mounted Shift Lever

The new front mounted shift lever, an industry first in its class, allows for better drivability.

Longer Tiller Handle

The tiller handle has been extended 110mm from previous models for easier access and maneuverability.

Integral Tank

With a built-in fuel tank conveniently located on top, the 4 hp becomes ready for cruising quickly and without taking up extra space in the boat. An external fuel fitting also comes standard with this model to allow the motor to hook up to a remote fuel tank as well.

Propeller Hub Exhaust

Through-the-prop exhaust helps reduce engine noise.

SPECIFICATIONS

Engine (No. of Cylinder)1
Output4 hp (2.9 kw)
Displacement123 cc (7.5 cu.in.)
Bore x Stroke59 x 45 mm (2.32 x 1.77 in)
StartingManual
Control TypeTiller Handle
Gear ShiftForward – Neutral – Reverse
Gear Ratio2.15:1
Propeller Selection Range6″ – 9″
Transom Height15″, 20″
FuelUnleaded Gasoline (87 Octane)
Oil TypeNMMA Certified FC-W® 4-stroke oil** SAE 10W-30/40 (SF, SG, SH, SJ)
Oil Capacity15 fl. oz. (450 mL)
Fuel Tank0.3 US Gal. (1.15 Lit) Integral Tank (4hp includes an External Fuel Tank Connector installed on engine to allow user to use an optional external fuel tank)
Weight*57 lbs. (26 kg)
Alternator OutputOptional: 12V, 60W, 5A
Max. RPM Range4,500 – 5,500
Digital CD Ignition SystemStandard
Start In Gear ProtectionStandard
Thermostat Controlled Cooling SystemStandard
Through-The-Prop ExhaustStandard
Oil Pressure WarningStandard
Shallow Water DriveStandard
* 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.
Note : 4hp models includes an external fuel tank connector installed on the engine to allow user to connect an optional external fuel tank.