Propeller Selection; Inspection Of Forward And Reverse Shifts - TOHATSU MFS 4D Service Manual

11) Propeller Selection

1. Select a propeller that is most suitable for the type of boat
and application.
Range of operating engine revolution at WOT
RPM 4D/5D : 4,500 - 5,500 min
6D : 5,000 - 6,000 min
Selecting a wrong propeller may cause
adverse effects on the engine l i f e , fuel
consumption, etc. as well as the performance.
Propeller [Marking]
No. of Blades x
Diameter x Pitch
mm (in)

12) Inspection of Forward and Reverse Shifts

Use shift lever 1 to shift the gear to forward (F), Neutral (N)
and Reverse (R).
1. Forward
Return handle grip 2 to idle speed a, and then, move shift
lever 1 toward the operator (F) quickly.
2. Reverse
Return handle grip 2 to slow side a, and then, when the
engine reached the lowest speed, set shift lever 1 toward
the reverse side (R) quickly.
3. Shallow water run
In shallow water, run at the lowest possible speed while
watching the depth and obstacles.
In reverse operation, run at low speed, and do not
increase the engine speed unnecessarily.
Shifting at high engine speed may cause
fall of passenger due to abrupt acceleration
and damage to gear, clutch and other
components of the outboard motor. Shift at
the lowest engine speed.
4st 4/5/6 2020
-1
(rpm)
-1
(rpm)
CAUTION
[Y6]
[6"]
[7"]
[8"]
[9"]
WARNING
3 x 212 x 160 (3 x 8.3" x 6.3") (Sail Pro)
3 x 200 x 152 (3 x 7.9" x 6.0")
3 x 198 x 178 (3 x 7.8" x 7.0")
3 x 198 x 203 (3 x 7.8" x 8.0")
3 x 200 x 229 (3 x 7.9" x 9.0")
(R)
1 Shift Lever
2 Handle grip
R
N
N
(F)
F
1
a
2
1-11
1