2012 Yamaha Motorsports FX Nytro Owners Manual - Page 72

2012 Yamaha Motorsports FX Nytro Manual

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Periodic maintenance and adjustment ECS00830 ECS00511 NOTICE Never run the engine with the V-belt removed. Clutch components can be damaged. The V-belt should be checked before each ride. NOTICE As the V-belt wears, the position of the Vbelt will change. If the V-belt position is out of specification, it must be adjusted to ensure proper clutch performance. Have a Yamaha dealer make this adjustment. 1. 2. Place the snowmobile on a level surface and apply the parking brake. Remove the shroud and the left side cover, and then remove the drive guard. (See pages 18 and 52 for removal procedures.) Rotate the secondary sliding sheave clockwise and push it so that it separates from the secondary fixed sheave. To check the V-belt 1. Remove the shroud and the left side cover, and then remove the drive guard. (See pages 18 and 52 for removal procedures.) Check the V-belt for wear and damage. Replace if necessary. 2. 3. 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) 3. Install the drive guard, and then install the left side cover and the shroud. 1. Secondary sliding sheave 2. Secondary fixed sheave 4. Pull the V-belt up over the secondary fixed sheave. To replace and adjust the V-belt EWS00411 WARNING 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. 1. V-belt 66

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Periodic maintenance and adjustment
66
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 18 and 52 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.
NOTICE
ECS00511
As the V-belt wears, the position of the V-
belt will change. If the V-belt position is out
of specification, it must be adjusted to en-
sure proper clutch performance.
Have a Yamaha dealer make this adjust-
ment.
1.
Place the snowmobile on a level surface
and apply the parking brake.
2.
Remove the shroud and the left side cov-
er, and then remove the drive guard.
(See pages 18 and 52 for removal proce-
dures.)
3.
Rotate the secondary sliding sheave
clockwise and push it so that it separates
from the secondary fixed sheave.
4.
Pull the V-belt up over the secondary
fixed sheave.
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)
1.
Secondary sliding sheave
2.
Secondary fixed sheave
1. V-belt