Operation Manual

16 COOLING SYSTEM 101
– Place a suitable container under the water pump cover.
V00373-11
(All 125/150 models)
–
Remove screw

. Take off radiator cap

.
– Completely drain the coolant.
–
Mount and tighten screw

with a new seal ring.
Guideline
Drain plug, water pump cover
(125 XC‑W EU)
M6 8 Nm (5.9 lbf ft)
Drain plug, water pump cover
(150 XC‑W US)
M6 8 Nm (5.9 lbf ft)
V00374-11
(All 250/300 models)
–
Remove screw

. Take off radiator cap

.
– Completely drain the coolant.
–
Mount and tighten screw

with a new seal ring.
Guideline
Screw, water pump cover M6 10 Nm
(7.4 lbf ft)
16.5 Refilling with coolant
Warning
Danger of poisoning Coolant is toxic and a health hazard.
– Keep coolant out of the reach of children.
– Do not allow coolant to come into contact with the skin, the eyes and clothing.
– Consult a doctor immediately if coolant is swallowed.
– Rinse the affected area immediately with plenty of water in the event of contact with the skin.
– Rinse eyes thoroughly with water and consult a doctor immediately if coolant gets into the eyes.
– Change clothing if coolant spills onto your clothing.
V00375-10
(All 125/150 models)
–
Make sure that screw

is tightened.
– Position the motorcycle upright.
– Completely fill the radiator with coolant.
Coolant ( p. 141)
V00377-10
–
Loosen screw

and wait until coolant escapes without bubbles.
–
Mount and tighten screw

.
Guideline
Bleeder screw, cylinder head
(125 XC‑W EU)
M6 8 Nm (5.9 lbf ft)
Bleeder screw, cylinder head
(150 XC‑W US)
M6 8 Nm (5.9 lbf ft)