Starting; Warm-Up - TOHATSU 5 BS Owner's Handbook Manual

2. STARTING &WARM-UP
Note: Do not operate Engine without cooling water.
1. 1) M5B (Integral tank type):
Turn the air vent screw to open on the fuel tank
and open the fuel cock knob (Fig. 7)
2) M50S (Separate tank type):
Plug in the fuel connector A. Open the fuel cock
and the air vent screw on the fuel tank cap and
squeeze the primer bulb about 10 times to fill the
carburetor bowl. (Fig. 81
6
For tanks with a fuel tank auto air-vent. (optional)
There is no need to loosen the air vent screw. An
air vent opens automatically when the connector is
attached to the tank.