2009 Yamaha Motorsports FX Nytro MTX Owners Manual - Page 62

2009 Yamaha Motorsports FX Nytro MTX Manual

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Periodic maintenance and adjustment G Make sure that the drive guard is tightened 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 snowmobile while it is in operation. 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. ECS00830 NOTICE Never run the engine with the V-belt removed. Clutch components can be damaged. The V-belt should be checked before each ride. To check the V-belt 1. Remove the shroud and the left side cover, and then remove the drive guard. (See pages 17 and 44 for removal procedures.) 2. Check the V-belt for wear and damage. Replace if necessary. 1. V-belt wear limit New V-belt width: 34.1 mm (1.34 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. Edge of the secondary sheave assembly 2. Spacer 3. V-belt position adjusting bolt ECS00510 NOTICE As the V-belt wears, adjustment may be necessary. To ensure proper clutch performance, the V-belt position should be adjusted by adding a spacer on each adjusting bolt when the V-belt position reaches 1.5 mm (0.06 in) below the edge of the secondary sheave assembly. 56

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Periodic maintenance and adjustment
56
●
Make sure that the drive guard is tight-
ened 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 17 and 44 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
ECS00510
As the V-belt wears, adjustment may be
necessary. To ensure proper clutch per-
formance, the V-belt position should be
adjusted by adding a spacer on each ad-
justing bolt when the V-belt position
reaches 1.5 mm (0.06 in) below the edge of
the secondary sheave assembly.
1.
V-belt wear limit
New V-belt width:
34.1 mm (1.34 in)
V-belt wear limit width:
32.5 mm (1.28 in)
1.
Edge of the secondary sheave assembly
2. Spacer
3.
V-belt position adjusting bolt