Bearings Worn; Replace Spring(S; Replace Bearing; Manual - Arctic Cat XC 450i 2012 Service Manual

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CHECKING/INFLATING
1. Using an air pressure gauge, measure the air pressure
in each tire. Adjust the air pressure as necessary to
meet the recommended inflation pressure.
2. Inspect the tires for damage, wear, or punctures.
! WARNING
Do not operate the ATV if tire damage exists.
Troubleshooting
Problem: Suspension too soft
Condition
1. Spring(s) weak
2. Shock absorber damaged
3. Shock absorber preload too low
Problem: Suspension too stiff
Condition
1. A-arm-related bushings worn
2. Shock absorber preload too high
Problem: Suspension noisy
Condition
1. Cap screws (suspension system) loose
2. A-arm-related bushings worn
Problem: Rear wheel oscillation
Condition
1. Rear wheel hub bearings worn - loose
2. Tires defective - incorrect
3. Wheel rim distorted
4. Wheel hub cap screws loose
5. Brake adjusted incorrectly
6. Rear suspension arm-related bushing worn
7. Rear shock absorber damaged
8. Rear suspension arm nut loose
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NOTE: If repair is needed, follow the instructions
found on the tire repair kit or remove the wheel and
have it repaired professionally.
NOTE: Be sure all tires are the specified size and
have identical tread pattern.
3. Check the front wheel toe-in and toe-out and adjust
as necessary (see Steering/Frame).
4. Test drive the ATV on a dry, level surface and note
any pulling to the left or right during acceleration,
deceleration, and braking.
NOTE: If pulling is noted, measure the circumfer-
AF612D
ence of the front and rear tires on the pulling side.
Compare the measurements with the tires on the
opposite side. If pulling is noted during braking
only, check and adjust the brakes as necessary
and recheck operation (see Periodic Maintenance).
5. Increase the air pressure in the tires with the smallest
circumference measurement until all tires are equal
in circumference.
6. Repeat steps 4-5 as necessary to ensure proper han-
dling.
Remedy

1. Replace spring(s)

2. Replace shock absorber
3. Adjust shock absorber preload
Remedy
1. Replace bushing
2. Adjust shock absorber preload
Remedy
1. Tighten cap screws
2. Replace bushings
Remedy
1. Replace bearings
2. Replace tires
3. Replace rim
4. Tighten cap screws
5. Adjust brake
6. Replace bushing
7. Replace shock absorber
8. Tighten nut

Manual

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