Warming Up The Engine - TOHATSU MFS 3.5B Owner's Manual

22
ENGINE OPERATION

2. Warming up the engine

War m the engine at low engine
1 speeds for about three minutes. This
allows the lubricating oil to circulate to
all parts of the engine. Operating the
2
engine without warm up shortens the
engine's life.
Be sure to check that cooling water is
3
coming out of the cooling water check
port during warm up.
4
!
If the engine is operated without water
5
discharging from the check port, the
engine may over heat.
6
7
8
9
Cooling water
check port
10
!
11
Be sure to stop engine immediately
if cooling water check port is not
discharging water, and check if cooling
12
water intake is blocked. Operating
engine could lead to overheating
potentially leading to engine damage.
Consult an authorized dealer if the
13
cause cannot be found.
14
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Engine speeds
Idling speed after warming up.
Remark: In case of cold engine
starting, idling speed is increased
about 300 rpm for several minutes.
Clutch in (In gear) Clutch off (Out of gear)
1,200rpm
PROPELLER SELECTION
Propeller must be selected that
w i l l a l l o w t h e e n g i n e t o r e a c h
recommended rpm when cruising at
wide-open throttle.
Wide-open throttle rpm range
2.5
4,500 5,500rpm
Genuine propellers are listed on
PROPELLER TABLE of this manual.
1,300rpm
3.5
5,000 6,000rpm