Wheels And Tires - Arctic Cat Y-12+ 2012 Service Manual

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8. Slide the hub out of the knuckle and set aside.
9. Remove the cap screws and lock nuts securing the
knuckle to the A-arms. Discard the lock nuts.
 NOTE: Never reuse a lock nut. Once a lock nut has
been removed, it must be replaced with a new lock
nut.
10. Remove the cap screws and lock nuts securing the
A-arms to the frame; then remove the A-arms.
 NOTE: If removing the upper right A-arm, it will be
necessary to disconnect the brake hose from the
A-arm.
CLEANING AND INSPECTING
 NOTE: Whenever a part is worn excessively,
cracked, or damaged in any way, replacement is nec-
essary.
1. Clean all A-arm components using a pressure
washer.
2. Inspect the A-arm for bends, cracks, and worn bush-
ings.
3. Inspect the frame mounts for signs of damage, wear,
or weldment damage.
INSTALLING
1. Install the A-arm assemblies into the frame mounts
and secure with the cap screws and new lock nuts.
Only finger-tighten at this time.
2. Slide the knuckle onto the drive axle and into posi-
tion on the A-arms; then secure the knuckle to the
A-arms with cap screws and new lock nuts. Tighten
to 35 ft-lb .
3. Tighten the hardware securing the A-arms to the
frame mounts (from step 1) to 50 ft-lb.
4. Apply grease on the drive axle splines; then install
the hub assembly onto the drive axle.
5. Secure the hub assembly with the nut. Tighten only
until snug.
6. Secure the brake caliper to the knuckle with two new
"patch-lock" cap screws (right side only). Tighten
the caliper to 20 ft-lb.
7-6
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PR290
Manual
Table of Contents
 NOTE: Ensure that the brake hose is properly
routed and secured to the upper A-arm.
7. Compress the hand brake lever and engage the brake
lever lock; then secure the hub nut (from step 5) to
the drive axle. Tighten to 200 ft-lb.
8. Install a new cotter pin and spread the pin to secure
the nut.
 NOTE: If the cotter pin does not line up, always
tighten to the next alignment.
9. Secure the shock absorber to the frame with a cap
screw and new lock nut. Tighten to 50 ft-lb.
10. Secure the shock absorber to the lower A-arm with a
cap screw and new lock nut. Tighten to 20 ft-lb.
11. Secure the boot guard to the lower A-arm with the
two cap screws. Tighten securely.
12. Install the wheel and tighten to 40 ft-lb (steel wheels)
or 80 ft-lb (aluminum wheels).
13. Remove the ATV from the support stand.

Wheels and Tires

TIRE SIZE
! WARNING
Use only Arctic Cat approved tires when replacing tires.
Failure to do so could result in unstable ATV operation.
Section
Table of Contents
DE054A
PR260