MFS 4

When you have a small boat that needs small power, look to Tohatsu's 4 hp 4-stroke. It provides reliable horsepower while also providing cleaner emissions for you and the environment. Small in size, this 4 hp has an internal fuel tank built into the motor and a front located fuel tank cap for hassle-free outings on the water. And it includes a built-in external fuel tank connector so you can hook up an external fuel tank for longer outings. Let this Tohatsu 4 hp provide you with the perfect compact, fuel-efficient power you need!

Benefits Include:

  • 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:

  • 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)
  • Newly designed holding grip and larger carrying handle

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

Technical Specifications

Engine (No. of Cylinder): 1
Output: 4 hp (2.9 kw)
Displacement: 123 cc (7.5 cu.in.)
Bore x Stroke: 59 x 45 mm (2.32 x 1.77 in)
Starting: Manual
Control Type: Tiller Handle
Gear Shift: Forward - Neutral - Reverse
Gear Ratio: 2.15:1
Propeller Selection Range: 6" - 9"
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: 15 fl. oz. (450 mL)
Fuel Tank: 0.29 US Gal. (1.1 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 Output: Optional: 12V, 60W, 5A
Max. RPM Range: 4,500 - 5,500
Digital CD Ignition System: Standard
Start In Gear Protection: Standard
Thermostat Controlled Cooling System: Standard
Through-The-Prop Exhaust: Standard
Shallow Water Drive: Standard
Oil Pressure Warning: Standard