Yamaha R15 2022, Service Manual

Page: 128 / 497

3-16
ENGINE
CHK
ADJ
3. Install:
• Lower side cowling (left and right)
Refer to “GENERAL CHASSIS (3)” on page
4-3.
EAS30813
CHANGING THE COOLANT
1. Remove:
• Lower side cowling (left and right)
Refer to “GENERAL CHASSIS (3)” on page
4-3.
2. Remove:
• Radiator cap “1”
WARNING
EWA13030
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 counter-
clockwise toward the detent to allow any re-
sidual pressure to escape. When the hissing
sound has stopped, press down on the radi-
ator cap and turn it counterclockwise to re-
move.
3. Remove:
• Coolant drain bolt “1”
(along with the copper washer )
4. Drain:
• Coolant
(from the engine and radiator)
5. Disconnect:
• Coolant reservoir hose “1”
6. Remove:
• Coolant reservoir cap “2”
• Coolant reservoir “3”
7. Drain:
• Coolant
(from the coolant reservoir)
8. Connect:
• Coolant reservoir hose
9. Install:
• Coolant reservoir
• Coolant drain bolt
(along with the copper washer )
2
3
4
1
5
6
T
R
.
.
Coolant drain bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Coolant reservoir bolt
7 N·m (0.7 kgf·m, 5.2 lb·ft)
New
New
BCWF8197E0.book Page 16 Thursday, November 18, 2021 9:18 AM