2009 Yamaha Motorsports RS Vector GT Owners Manual - Page 64

2009 Yamaha Motorsports RS Vector GT Manual

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Periodic maintenance and adjustment Adjust or replace if necessary. (See the following section for more details.) 1. Drive track deflection Measuring the drive track deflection 1. Lay the snowmobile on its side. 2. Measure the drive track deflection with a spring scale. Pull at the center of the drive track with a force of 100 N (10 kgf, 22 lbf). 3. Standard drive track deflection: RS90GT 30.0-35.0 mm (1.18-1.38 in) RS90LT 25.0-30.0 mm (0.98-1.18 in) RS90LTGT 25.0-30.0 mm (0.98-1.18 in) RS90R 30.0-35.0 mm (1.18-1.38 in) If the deflection is incorrect, adjust the drive track. Adjusting the drive track 1. Lift the rear of the snowmobile onto a suitable stand to raise the drive track off the ground. 2. Loosen the rear axle nut. 1. Spring scale TIP Measure the gap between the slide runner and the edge of the track window. Measure both sides. 1. Rear axle nut 3. 4. Start the engine and rotate the drive track one or two turns. Stop the engine. Check the drive track alignment with the slide runners. If the alignment is incorrect, align the drive track by turning the left and right adjusting nuts. 58

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Periodic maintenance and adjustment
58
Adjust or replace if necessary. (See the fol-
lowing section for more details.)
Measuring the drive track deflection
1.
Lay the snowmobile on its side.
2.
Measure the drive track deflection with a
spring scale. Pull at the center of the drive
track with a force of 100 N (10 kgf, 22 lbf).
TIP
Measure the gap between the slide runner
and the edge of the track window. Measure
both sides.
3.
If the deflection is incorrect, adjust the
drive track.
Adjusting the drive track
1.
Lift the rear of the snowmobile onto a suit-
able stand to raise the drive track off the
ground.
2.
Loosen the rear axle nut.
3.
Start the engine and rotate the drive track
one or two turns. Stop the engine.
4.
Check the drive track alignment with the
slide runners. If the alignment is incorrect,
align the drive track by turning the left and
right adjusting nuts.
1.
Spring scale
1.
Drive track deflection
Standard drive track deflection:
RS90GT 30.0–35.0 mm (1.18–1.38 in)
RS90LT 25.0–30.0 mm (0.98–1.18 in)
RS90LTGT 25.0–30.0 mm (0.98–1.18
in)
RS90R 30.0–35.0 mm (1.18–1.38 in)
1.
Rear axle nut