Changing The Coolant - Yamaha YZF-R1S Service Manual

CHANGING THE COOLANT

EAS00105
CHANGING THE COOLANT
1. Remove:
S bottom cowlings
S side cowlings
Refer to "COWLINGS".
S rider seat
Refer to "SEATS".
2. Remove:
S coolant reservoir tank
S coolant reservoir hose
3. Disconnect:
S coolant reservoir cap 1
4. Drain:
S coolant
(from the coolant reservoir tank)
5. Remove:
S radiator cap 1
CAUTION:
A hot radiator is under pressure. Therefore,
do not remove the radiator cap when the en-
gine is hot. Scalding hot fluid and steam may
be blown out, which could cause serious in-
jury. When the engine has cooled, open the
radiator cap as follows:
Place a thick rag or a towel over the radiator
cap and slowly turn the radiator cap coun-
terclockwise toward the detent to allow any
residual pressure to escape. When the his-
sing sound has stopped, press down on the
radiator cap and turn it counterclockwise to
remove.
The following procedure applies to all of the
coolant drain bolts and copper washers.
6. Remove:
S coolant drain bolts 1
(along with the copper washers)
3-39
CHK
ADJ