Yamaha YZF-R1 Owner's Manual page 62

PERIODIC MAINTENANCE AND MINOR REPAIR
G
If water has been added to the
coolant, have a Yamaha dealer
check the antifreeze content of
the coolant as soon as possible,
otherwise the effectiveness of
the coolant will be reduced.
WARNING
Never attempt to remove the radiator
cap when the engine is hot.
5. Install the cowling.
NOTE:
G
The radiator fans are automatically
switched on or off according to the
6
coolant temperature in the radia-
tor.
G
If the engine overheats, see page
6-44 for further instructions.
To change the coolant
1. Place the vehicle on a level sur-
face and let the engine cool if nec-
essary.
2. Remove cowlings B and C. (See
page 6-6.)
3. Place a container under the engine
to collect the used coolant.
4. Remove the radiator cap.
WARNING
Never attempt to remove the radiator
cap when the engine is hot.
EWA10380
1. Radiator cap
5. Remove the coolant drain bolt to
drain the cooling system.
EAU42980
EWA10380
1. Coolant drain bolt
6. Remove the coolant reservoir cap.
7. Remove the coolant reservoir by
1. Coolant reservoir cap
2. Coolant reservoir
3. Bolt
6-14
removing the bolts, and then turn
the reservoir upside down to emp-
ty it.