TOHATSU MFS 8B Service Manual page 23

Remote Control Model
Check that cooling water check port
during engine runs.
After engine has warmed up, use tachometer to check idle
speed is as specified.
Idle Speed :
950 r/min
Tachometer :
P/N. 3AC-99010-0
Select a propeller that is best-suited to type of boat and
application.
Range of operating engine speed at WOT :
5,000~6,000r/min
Light load boat
Heavy load boat
Light load boat
Heavy load boat
4st 8/9.8 2016
discharges water
Marking
No. of blades
9.5
8.5
7.5
7.0
6.5
7.0
5.0
High tension cord
Propeller size (diameter X pitch)
inch
3 8.9×10
3 8.9×8.3
3 8.5×7.5
3 8.9×7.0
3 8.5×6.5
4 8.7×7.0
4 8.7×5.0
mm
226×255
226×211
216×190
226×178
216×165
221×178
221×127
1-11