Tohatsu 4 Stroke MFS 2/2.5/3.5A Outboards Service Manual, Page 162Get this manual

Trouble 4
Rough acceleration
Rapid opening of throttle causes engine to stallAcceleration is not smooth Inspection of Carburetor, Ignition System and Compression Pressure

Check operation of throttle cable
Is the throttle valve tuned ?

Adjust throttle cable

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