2004 YAMAHA XT660R cooling

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Page 33 of 90

YAMAHA XT660R 2004  Owners Manual PRE-OPERATION CHECKS
4-2
4
EAU15602
Pre-operation check list 
ITEM CHECKS PAGE
FuelCheck fuel level in fuel tank.
Refuel if necessary.
Check fuel line for leakage.3-11
Engine oilCheck oil level in

Page 42 of 90

YAMAHA XT660R 2004  Owners Manual PERIODIC MAINTENANCE AND MINOR REPAIR
6-4
6
EAUM1890
NOTE:
Replace the air filter element more frequently if you are riding in unusually wet or dusty areas.

Hydraulic brake service
Regularly check

Page 51 of 90

YAMAHA XT660R 2004  Owners Manual PERIODIC MAINTENANCE AND MINOR REPAIR
6-13
6
NOTE:
The radiator fan is automatically
switched on or off according to the
coolant temperature in the radia-
tor.

If the engine overheats, see page6-38

Page 52 of 90

YAMAHA XT660R 2004  Owners Manual PERIODIC MAINTENANCE AND MINOR REPAIR
6-14
611. Install the coolant drain bolt, and
then tighten it to the specified
torque.
NOTE:Check the washer for damage and re-place it if necessary.
12. Pour the

Page 77 of 90

YAMAHA XT660R 2004  Owners Manual PERIODIC MAINTENANCE AND MINOR REPAIR
6-39
6 Engine overheating
WARNING
EWA10400

Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be
blown out un

Page 82 of 90

YAMAHA XT660R 2004  Owners Manual SPECIFICATIONS
8-1
8
Dimensions:Overall length:
XT660R 2240 mm (88.2 in)
XT660X 2150 mm (84.6 in)
Overall width:
XT660R 845 mm (33.3 in)
XT660X 865 mm (34.1 in)
Overall height:
XT660R 1230 mm (48.4 in