Yamaha FX Nytro FX10MTRAX, Service Manual, Page: 50 / 859

2-6
INSP
ADJ
COOLING SYSTEM
Air bleeding steps:
NOTE:
For models other than FX10MT/FX10MTR/
FX10MTRA, skip steps 1–3.
• Remove the cap 1 on the heat exchanger pipe.
• While slowly adding coolant to the radiator filler,
drain the coolant until no more air bubbles
appear.
• Install the cap 1 .
• Add coolant to the full level
a
.
• Install the radiator cap.
Apply and lock the parking brake. Start the
engine and run it at less than the clutch engage-
ment speed until the coolant circulates (approxi-
mately 3 ~ 5 minutes). The heat exchanger will
be warm to the touch (FX10MT/FX10MTR/
FX10MTRA).
È
FX10MT/FX10MTR/FX10MTRA
WARNING
To avoid severe injury or death:
• Make sure the snowmobile is securely sup-
ported with a suitable stand.
• Do not exceed the clutch engagement speed.
Drive line damage and excessive V-belt wear
could occur, or the snowmobile could unex-
pectedly move forward if the clutch engages.
• Operate the engine only in a well-ventilated
area.
• Remove the radiator cap and bleed the cooling
system again, as described above.
No air bubbles
→
OK.
• Check the coolant level in the coolant reservoir
when the engine is cold. If the coolant level is
below the “LOW” mark
b
, add coolant until it
reaches the “FULL” mark
c
.
1
È
c
b