Checking The Cooling System; Changing The Coolant - Yamaha YZ85W1 Service Manual

CHECKING THE COOLING SYSTEM /

CHANGING THE COOLANT

3-15
EAS00104
CHECKING THE COOLING SYSTEM
1. Remove:
• air scoop
Refer to "SEAT, SIDE COVERS AND FUEL
TANK".
2. Check:
• radiator
• radiator hose joint
• radiator hose
Cracks / damage → Replace.
Refer to "COOLING SYSTEM" in chapter 6.
3. Install:
• air scoop
EAS00105
CHANGING THE COOLANT
1. Remove:
• coolant drain bolt
2. Remove:
• radiator cap
WARNING
A hot radiator is under pressure. Therefore,
do not remove the radiator cap when the
engine is hot. Scalding hot fluid and steam
may be blown out, which could cause seri-
ous injury. When the engine has cooled,
open the radiator cap as follows:
Place a thick rag or a towel over the radia-
tor cap and slowly turn the radiator cap
counterclockwise toward the detent to
allow any residual pressure to escape.
When the hissing sound has stopped,
press down on the radiator cap and turn it
counterclockwise to remove.
3. Drain:
• coolant
4. Install:
• copper washer
• coolant drain bolt
Coolant drain bolt
10 Nm (1.0 m•Kg, 7.2 ft•lb)
CHK
ADJ