Yamaha MBK MW125 2014, Service Manual

Page: 102 / 380

PERIODIC MAINTENANCE
3-21
TIP
Before checking the coolant level, wait a few
minutes until the coolant has settled.
EAS30812
CHECKING THE COOLING SYSTEM
1. Remove:
• Radiator cover
Refer to “RADIATOR” on page 6-1.
2. Check:
• Radiator “1”
• Radiator inlet hose “2”
• Radiator outlet hose “3”
• Coolant reservoir hose “4”
• Cooling system air bleed hose “5”
• Water pump outlet hose
• Water pump outlet pipe
Cracks/tears
→
Replace.
Refer to “RADIATOR” on page 6-1 and “WA-
TER PUMP” on page 6-7.
3. Install:
• Radiator cover
Refer to “RADIATOR” on page 6-1.
EAS30813
CHANGING THE COOLANT
1. Disconnect:
• Coolant reservoir hose “1”
2. Drain:
• Coolant
(from the coolant reservoir)
3. Remove:
• Radiator cover “1”
4. Remove:
• Radiator cap “1”
WARNING
EWA13030
A hot radiator is under pressure. Therefore,
do not remove the radiator cap when the en-
gine is hot. Scalding hot fluid and steam may
be blown out, which could cause serious in-
jury. When the engine has cooled, open the
radiator cap as follows:
Place a thick rag or a towel over the radiator
cap and slowly turn the radiator cap counter-
clockwise toward the detent to allow any re-
sidual pressure to escape. When the hissing
sound has stopped, press down on the radi-
ator cap and turn it counterclockwise to re-
move.
5. Remove:
• Coolant drain bolt “1”
(along with the gasket)
6. Drain:
• Coolant
(from the engine and radiator)
1
3
2
5
4
1
1
1
1