Tohatsu 4 Stroke MFS 2/2.5/3.5A Outboards Service Manual, Page 15Get this manual
Service Information 5) Fuel Tank and Fuel Line
1Check that fuel tank contains sufficient amount of gasoline, fuel line is connected and is free of leaks
CAUTION
Since this is stroke engine model, do not use fuel mixed with engine oilUse of fuel mixed with engine oil will cause engine trouble
6) Rigging
12Check that clamp bracket is fixed securely to hullCheck location of anti-ventilation plate relative to boat bottom, and, if necessary, adjust to prevent decrease in performance force and engine overheatingTest-run to determine the best installation heighta 3050 mm1.22.0 in )