Warming Up The Engine - TOHATSU MFS 6A3Z 8A3 9.8A3 Owner's Manual

2. Warming up the engine

War m the engine at low engine
speeds for about three minutes. This
allows the lubricating oil to circulate to
all parts of the engine. Operating the
engine without warm up shortens the
engine's life.
Be sure to check that cooling water is
coming out of the cooling water check
port during warm up.
CAUTION
!
If the engine is operated without water
discharging from the check port, the
engine may over heat.
Cooling
water
check port
CAUTION
!
Be sure to stop engine immediately
if cooling water check port is not
discharging water, and check if cooling
water intake is blocked. Operating
engine could lead to overheating
potentially leading to engine damage.
Consult an authorized dealer if the
cause cannot be found.
ENGINE OPERATION
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)
900rpm
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
5,000 6,000rpm
Genuine propellers are listed on
PROPELLER TABLE of this manual.
33
950rpm
5