Cooling Water Check Port; Idling; Propeller Selection - TOHATSU MD 70-90C2 Service Manual

10) Cooling Water Check Port

Check that cooling water check port 1 discharges water
during engine operation.

11) Idling

After engine has warmed up, use tachometer to check idle
speed is as specified, using key switch depression.
Idle Speed :
RPM 700 800 900 r/min
Tachometer :
P/N. 3AC-99010-0

12) Propeller Selection

Select a propeller that is best-suited to type of boat and
application.
Range of operating engine speed at WOT* :
RPM 5,150 - 5,850r/min
*WOT: Wide Open Throttle
Miss-selection of propeller can cause adverse
effects on engine life, fuel consumption, etc.
as well as on performance.
TLDI 75/90C2 2010
CAUTION
1
1
1High tension cord
å
1
5
1 Diameter 2 Pitch
1
å
2
1-13