Yamaha FX10X - Page 46

2-4
INSP
ADJ
COOLING SYSTEM
COOLING SYSTEM
Coolant replacement
NOTE:
The coolant should be changed at least every sea-
son.
1.Place the snowmobile on a level surface.
2.Remove:
• Right lower cover
Refer to “COVERS” in CHAPTER 3.
3.Remove:
• Radiator cap
1
WARNING
Do not remove the radiator cap when the engine
is hot. Pressurized scalding hot fluid and steam
may be blown out, which could cause serious
injury. When the engine has cooled, place a
thick rag or a towel over the radiator cap.
Slowly turn the cap counterclockwise until it
stop. This allows any residual pressure to
escape. When the hissing sound has stopped,
press down on the cap while turning it counter-
clockwise to remove it.
4.Place an open container under the thermostat
outlet hose, coolant reservoir hose and, for
FX10MT/FX10MTR/FX10MTRA only, heat
exchanger.
5.Disconnect:
• Thermostat outlet hose 2
• Coolant reservoir hose 3
6.Remove:
• Heat exchanger drain bolt 4
(FX10MT/FX10MTR/FX10MTRA)
7.Drain the coolant.
NOTE:
Lift up the tail of the snowmobile to drain the cool-
ant.
WARNING
Coolant is poisonous. It is harmful or fatal if
swallowed.
• If coolant is swallowed, induce vomiting
immediately and get immediate medical atten-
tion.
• If coolant splashes in your eyes, thoroughly
wash them with water and consult a doctor.
• If coolant splashes on your skin or clothes,
quickly wash it away with soap and water.
1
2
3
4