Yamaha R15 2022 Service Manual page 318

Water pump assembly bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
TIP
• Align the projection "a" on the impeller shaft
with the slit "b" on the camshaft sprocket bolt.
• Lubricate the O-ring with a thin coat of lithium-
soap-based grease.
a
2
1
New
2. Fill:
• Cooling system
(with the specified amount of the recom-
mended coolant)
Refer to "CHANGING THE COOLANT" on
page 3-16.
• Coolant air bleed from engine
Refer to "CHANGING THE COOLANT" on
page 3-16.
3. Check:
• Cooling system
Leaks → Repair or replace any faulty part.
Refer to "INSTALLING THE RADIATOR" on
page 6-3.
4. Measure:
• Radiator cap opening pressure
Below the specified pressure → Replace the
radiator cap.
Refer to "CHECKING THE RADIATOR" on
page 6-3.
b
LS
WATER PUMP
6-9
COOL