
Periodic maintenance and adjustment
76
4.
Start the engine and add coolant until the
coolant level stabilizes, and then stop the
engine.
5.
Check for any coolant leakage. If coolant
is leaking, check for the cause.
TIP
If you find any leaks, consult a Yamaha deal-
er.
6.
Fill the coolant reservoir with coolant until
it reaches the “FULL” mark.
7.
Install the coolant reservoir cap.
8.
Install the shroud.
ESU12067
V-belt
WARNING
EWS00402
●
Coming in contact with the rotating V-
belt or clutch parts can cause severe in-
jury or death. Never run the engine with
the drive guard removed.
●
Make sure that the drive guard is in-
stalled securely before operating the
snowmobile to protect against severe
injury or death from a broken V-belt or
other part should it come off the snow-
mobile while it is in operation.
NOTICE
ECS00830
Never run the engine with the V-belt re-
moved. Clutch components can be dam-
aged.
The V-belt should be checked before each
ride.
To check the V-belt
1.
Remove the shroud and the left side cov-
er, and then remove the drive guard.
(See pages 30 and 63 for removal proce-
dures.)
2.
Check the V-belt for wear and damage.
Replace if necessary.
3.
Install the drive guard, and then install the
left side cover and the shroud.
To replace and adjust the V-belt
WARNING
EWS00411
When installing a new V-belt, make sure
that it is positioned properly. Otherwise,
the V-belt clutch engagement speed will
be changed and the snowmobile may
move unexpectedly when the engine is
started, which could cause an accident.
Recommended antifreeze:
High-quality ethylene glycol antifreeze
containing corrosion inhibitors
Antifreeze and water mixing ratio:
3:2
Total amount:
FX10 3.80 L (4.02 US qt, 3.34 Imp.qt)
FX10M53S 4.90 L (5.18 US qt,
4.31 Imp.qt)
FX10M62S 4.90 L (5.18 US qt,
4.31 Imp.qt)
FX10RTRS 3.80 L (4.02 US qt,
3.34 Imp.qt)
FX10XT 3.80 L (4.02 US qt,
3.34 Imp.qt)
FX10XT75 4.90 L (5.18 US qt,
4.31 Imp.qt)
1. V-belt wear limit
New V-belt width:
34.5 mm (1.36 in)
V-belt wear limit width:
32.5 mm (1.28 in)
U8HKS4E0.book Page 76 Tuesday, May 8, 2012 9:27 AM