TOHATSU 40 Service Manual page 45

SECTION 2
8. Turn throttle stop screw (7) until it touches throttle lever
6
(8), then tighten the screw to the specified number of turns:
Model
40 / 50
60 / 70
80 / 90 / 115 / 120 / 140
9. Install the air silencer cover.
10. Start and run engine up to normal operating temperature.
7
Working from top to bottom carburetor, gradually adjust
each pilot screw (10) to find the setting at which engine speed
increases most when screw is opened to the specified number of
turns from its fully closed position:
Model
40D
40D
2
50 D
50D
2
60B / 70B
60C / 70C
80 / 90
115 / 120 / 140
For the following step, the boat and engine must be
in the water under normal operating conditions with
the correct propeller installed. The boat cannot be
tied to a trailer or dock and must be free to move.
2-36
7
Throttle Stop Screw
2-1/2
1-1/4
As needed so throttle valve is open 5˚
10
Pilot Screw Number of Turns
1-1/4 ± 3/4
1 -5/8 ± 3/4
2-3/4 ± 3/4
2 ± 3/4
1-1/2 ± 1/4
1-3/8 ± 1/4
1-5/8 ± 1/4
1-5/8 ± 1/4
NOTE
Number of Turns
T1091
T1093
3-/ 4-Cylinder