Tohatsu 140 HP Outboard Specs

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Tohatsu 140 HP Outboard Specs
Outboard boat motors are attached to the stern, or rear, of the vessel. (boat image by Alexandru Buzatu from

Tohatsu is an outboard motor company founded in Japan in 1922. Originally it manufactured small gasoline engines for motorcycles. Today their outboard motor division makes both four-stroke and two-stroke engines with up to 140 horsepower.

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Tohatsu's 140 horsepower outboard is called the M140. It is a two-stroke, four-cylinder engine with power trim and tilt. As of late 2010, the M140 is not available in North America.


The Tohatsu M140 has a maximum output of 140 horsepower at its maximum operating range of between 5200 and 5700rpm. At wide open throttle it consumes 15.3 gallons per hour. It has a bore of 3.46 inches, a stroke of 2.86 inches and a displacement of 107.9 cubic inches.


The M140 features an auto mixing engine lubrication system and has an electric starter. It uses two-stroke oil and has an engine oil capacity of 1.6 gallons. The motor uses a remote-controlled speed control system. It comes with a digital tachometer, emergency starter rope and a 6.6-gallon plastic fuel tank.

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