Yamaha YZF-R1 Owner's Manual page 72

PERIODIC MAINTENANCE AND ADJUSTMENT
4. Remove the
WARNING! Never attempt to re-
move the radiator cap when the
engine is hot.
[EWA10381]
1. Radiator cap
6
5. Remove the coolant drain bolt and
its gasket to drain the cooling sys-
tem.
1. Coolant drain bolt
2. Gasket
radiator cap. 6. Remove the coolant reservoir cov-
er by removing the bolts, and then
remove the coolant reservoir cap.
1
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.
2
1
1
2
6-16
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 its
new gasket, and then tighten the
bolt to the specified torque.
Tightening torque:
Coolant drain bolt:
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
11. Pour the recommended coolant
into the reservoir to the maximum
level mark, and then install the
coolant reservoir cap.
3