Yamaha YZFR1Y(C Owner's Manual page 73

6. Remove the coolant reservoir cov-
er by removing the bolts, and then
remove the coolant reservoir cap.
1
2
1. Coolant reservoir cover
2. Bolt
7. Remove the coolant reservoir by
removing the bolts, and then turn
the reservoir upside down to emp-
ty it.
PERIODIC MAINTENANCE AND ADJUSTMENT
2
1
1. Coolant reservoir
2. Coolant reservoir cap
3. Bolt
8. After the coolant is completely
drained, thoroughly flush the cool-
ing system with clean tap water.
9. Install the coolant reservoir by in-
stalling the bolts.
10. Install the coolant drain bolt, and
then tighten it to the specified
torque.
TIP
Check the washer for damage and re-
place it if necessary.
Tightening torque:
Coolant drain bolt:
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
7-18
11. Pour the recommended coolant
into the reservoir to the maximum
level mark, and then install the
coolant reservoir cap.
12. Pour the recommended coolant
into the radiator until it is full.
3
Antifreeze/water mixture ratio:
1:1
Recommended antifreeze:
High-quality ethylene glycol anti-
freeze containing corrosion inhibitors
for aluminum engines
Coolant quantity:
Radiator capacity (including all
routes):
2.73 L (2.89 US qt, 2.40 Imp.qt)
Coolant reservoir capacity (up to the
maximum level mark):
0.25 L (0.26 US qt, 0.22 Imp.qt)
13. Install the radiator cap, start the
engine, let it idle for several min-
utes, and then turn it off.
14. Remove the radiator cap to check
the coolant level in the radiator. If
necessary, add sufficient coolant
until it reaches the top of the radia-
tor, and then install the radiator
cap.
7