Front Rack; Front Bumper Assembly; Exhaust System - Arctic Cat 2014 450 Service Manual

9. The difference in the measurements must show
1/8-1/4 in. toe-out (the front measurement 1/8-1/4 in.
more than the rear measurement).
10. If the difference in the measurements is not within
specifications, adjust both tie rods equally until
within specifications.
 NOTE: Prior to locking the jam nuts, make sure the
ball joints are at the center of their normal range of
motion and at the correct angle.

Front Rack

REMOVING
1. Remove the cap screws and lock nuts securing the
rack to the frame and front fender panel.
2. Remove the front rack from the ATV.
CLEANING AND INSPECTING
1. Clean all rack components using a pressure washer.
2. Inspect all welds for cracking or bending.
3. Inspect threaded areas of all mounting bosses for
stripping.
4. Inspect for missing decals and/or reflectors.
INSTALLING
1. Place the rack into position on the frame and front
fender panel. Install the cap screws and lock nuts and
finger-tighten only.
2. Install the two cap screws and lock nuts securing the
rack to the fenders. Tighten all hardware securely.

Front Bumper Assembly

REMOVING
1. Remove the two front cap screws securing the front
rack to the bumper support tubes; then remove two
cap screws and nuts securing the bumper support
tubes to the frame.
30
2. Remove the through-bolt and lock nut securing the
bumper to the frame; then remove the bumper.
CLEANING AND INSPECTING
1. Clean all bumper components with parts-cleaning
solvent.
2. Inspect all welds for cracking or bending.
INSTALLING
1. Place the front bumper assembly into position and
install the through-bolt. Start the lock nut and fin-
ger-tighten only.
2. Install the existing fasteners in the upper support
tubes to frame and the front rack cap screws. Tighten
the lock nut (from step 1) to 20 ft-lb; then tighten the
cap screws securely.

Exhaust System

REMOVING MUFFLER
1. Remove the two exhaust springs at the muf-
733-559A
fler/exhaust pipe juncture.
2. Slide the muffler rearward to clear the mounting lugs
and remove the muffler. Account for a grafoil seal.
INSPECTING MUFFLER
1. Inspect muffler externally for cracks, holes, and
dents.
2. Inspect the muffler internally by shaking the muffler
back and forth and listening for rattles or loose debris
inside the muffler.
 NOTE: For additional details on cleaning the muf-
fler/spark arrester, see Periodic Maintenance - Muf-
fler/Spark Arrester.
INSTALLING MUFFLER
1. Using a new grafoil seal, place the muffler into posi-
tion engaging the mounting lugs into the grommets;
then slide the muffler forward.
2. Install the two exhaust springs.
KC170