2007 YAMAHA RHINO 660 engine overheat

4-11
1.
On-Command differential gear lock indicator light “DIFF. LOCK”
2. Low-range indicator light “L”3. High-range indicator light “H”
4. Neutral indicator light “N”5. Reverse indicator light “R”
6. Parking brake indicator light “P”
7. On-Command four-wheel-drive/differential gear lock indicator
“”/“”
8. Coolant temperature warning light “”
1. Témoin de commande de blocage du différentiel “DIFF. LOCK”
2. Témoin de la gamme basse “L”3. Témoin de la gamme haute “H”
4. Témoin de point mort “N”5. Témoin de la marche arrière “R”
6. Témoin du frein de stationnement “P”
7. Indicateur de commande de transmission quatre roues motrices/blocage
du différentiel “”/“”
8. Témoin d’alerte de la température du liquide de refroidissement “”
1. Luz indicadora del interruptor manual de bloqueo del diferencial
“DIFF. LOCK”
2. Luz indicadora de marcha corta “L”
3. Luz indicadora de marcha larga “H”
4. Luz indicadora de punto muerto “N”
5. Luz indicadora de marcha atrás “R”
6. Luz indicadora del freno de estacionamiento “P”
7. Indicador de interruptor manual de tracción en las cuatro ruedas/
bloqueo del diferencial “”/“”
8. Luz de aviso de la temperatura del líquido refrigerante “”
DIFF.
LOCK
DIFF.
LOCK
DIFF.
LOCK
EVU00181
Coolant temperature warning light “”
When the coolant temperature reaches a specified
level, this light comes on to warn that the coolant
temperature is too hot. If the light comes on during
operation, stop the engine as soon as it is safe to
do so and allow the engine to cool down for about
10 minutes. (See page 8-140.)CAUTION:_

The engine may overheat if the vehicle is
overloaded. If this happens, reduce the
load to specification.


After restarting, make sure that the light is
out. Continuous use while the light is on
may cause damage to the engine.
_
EE.book Page 11 Friday, August 4, 2006 12:02 PM

8-71
NOTE:_ The air filter element should be cleaned every 20–
40 hours. It should be cleaned and lubricated more
often if the vehicle is operated in extremely dusty
areas. Each time air filter element maintenance is
performed, check the air inlet to the air filter case
for obstructions. Check the air filter element rubber
joint to the carburetor and manifold fittings for an
airtight seal. Tighten all fittings securely to avoid
the possibility of unfiltered air entering the engine. _CAUTION:_ Never operate the engine with the air filter ele-
ment removed. This will allow unfiltered air to
enter, causing rapid engine wear and possible
engine damage. Additionally, operation with-
out the air filter element will affect carburetor
jetting with subsequent poor performance and
possible engine overheating.
EE.book Page 71 Friday, August 4, 2006 12:02 PM

8-140
Engine overheatingNOTE:_ If it is difficult to get the recommended coolant, tap water can be temporarily used, provided that it is
changed to the recommended coolant as soon as possible. _
WARNING
Wait for the engine and radiator to cool before removing the radiator cap. You could be burned by
hot fluid and steam blown out under pressure. Always put a thick rag over the cap when opening.
Allow any remaining pressure to escape before completely removing the cap.Wait until the
engine has cooled.
Check the coolant level in the
coolant reservoir and/or radiator.
Level is OK.Level is low, check the
cooling system for leakage.
No
leakage.Leakage.
Ask a Yamaha dealer to inspect
and repair the cooling system.Add coolant. (See NOTE.)
Restart the engine. If the engine overheats again, ask a
Yamaha dealer to inspect and/or repair the cooling system.
EE.book Page 140 Friday, August 4, 2006 12:02 PM