2003 YAMAHA TDM 900 engine overheat

3-7
INSTRUMENT AND CONTROL FUNCTIONS
3
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Do not operate the engine if it is
overheated.
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Handlebar switches
Handlebar switchesEAU00119
Pass switch “&”Pass switchPress this switch to flash the head-
light.
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Dimmer switch “&/%”Dimmer switchSet this switch to “&” for the high
beam and to “%” for the low beam.
1. Pass switch “&”
2. Hazard switch “0”
3. Dimmer switch “&/%”
4. Turn signal switch “4/6”
5. Horn switch “*”
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Anti-theft alarm (optional)Anti-theft alarm (optional)This motorcycle can be equipped
with an optional anti-theft alarm by a
Yamaha dealer. Contact a Yamaha
dealer for more information.
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5-3
OPERATION AND IMPORTANT RIDING POINTS
5
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Recommended shift points
(for Switzerland only)
Shift points (for Switzerland only)The recommended shift points during
acceleration are shown in the table
below.
NOTE:
When shifting down two gears at a
time, reduce the speed accordingly
(e.g., down to 35 km/h when shifting
from 5th to 3rd gear).
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Tips for reducing fuel
consumption
Fuel consumption, tips for reducingFuel consumption depends largely on
your riding style. Consider the follow-
ing tips to reduce fuel consumption:
8Shift up swiftly, and avoid high
engine speeds during accelera-
tion.
8Do not rev the engine while shift-
ing down, and avoid high engine
speeds with no load on the
engine.
8Turn the engine off instead of let-
ting it idle for an extended length
of time (e.g., in traffic jams, at
traffic lights or at railroad cross-
ings).
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Engine break-inEngine break-inThere is never a more important peri-
od in the life of your engine than the
period between 0 and 1,600 km. For
this reason, you should read the fol-
lowing material carefully.
Since the engine is brand new, do
not put an excessive load on it for the
first 1,600 km. The various parts in
the engine wear and polish them-
selves to the correct operating clear-
ances. During this period, prolonged
full-throttle operation or any condition
that might result in engine overheat-
ing must be avoided.
Shift point
(km/h)
1st→2nd
2nd→3rd
3rd→4th
4th→5th
5th→6th20
30
40
50
60
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6-12
PERIODIC MAINTENANCE AND MINOR REPAIR
6 3. If the coolant is at or below the
minimum level mark, remove
panel B (See page 6-6 for panel
removal and installation proce-
dures.), remove the reservoir
cap, add coolant to the maximum
level mark, and then install the
reservoir cap and the panel.
1. Coolant reservoir cap
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Never attempt to remove the radia-
tor cap when the engine is hot.
NOTE:
8The radiator fan is automatically
switched on or off according to
the coolant temperature in the
radiator.
8If the engine overheats, see
page 6-45 for further instructions.
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8If coolant is not available, use
distilled water or soft tap water
instead. Do not use hard water
or salt water since it is harmful
to the engine.
8If water has been used instead
of coolant, replace it with
coolant as soon as possible,
otherwise the engine may not
be sufficiently cooled and the
cooling system will not be pro-
tected against frost and corro-
sion.
8If water has been added to the
coolant, have a Yamaha dealer
check the antifreeze content of
the coolant as soon as possi-
ble, otherwise the effective-
ness of the coolant will be
reduced.
Coolant reservoir capacity
(up to the maximum level mark):
0.25 L
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6-45
6Engine overheating
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8Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be
blown out under pressure, which could cause serious injury. Be sure to wait until the engine has cooled.
8After removing the radiator cap retaining bolt, place a thick rag, like a towel, over the radiator cap, and then
slowly rotate the cap counterclockwise to the detent to allow any residual pressure to escape. When the
hissing sound has stopped, press down on the cap while turning it counterclockwise, and then remove the
cap.
NOTE:
If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended
coolant as soon as possible.
Wait until the
engine has cooled.Check the coolant level in the
reservoir and radiator.
The coolant level
is OK.
The coolant level is low.
Check the cooling system
for leakage.
Have a Yamaha dealer checkand repair the cooling system.
Add coolant. (See NOTE.)
Start the engine. If the engine overheats again, have a
Yamaha dealer check and repair the cooling system.
There is
leakage.
There is
no leakage.
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