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2022 Kawasaki KX450X Exhaust System
Exhaust System
- The exhaust system, in particular the muffler body. is designed to reduce exhaust noise and conduct the exhaust gases away from the rider while minimizing power loss.
- If the muffler body is badly damaged, dented, cracked or rusted, replace it.
Muffler Mount Damper Replacement
- Remove the seat bolt and side cover bolt.
A. Seat Bolt
B. Side Cover Bolt
- Pull the right side cover backward to clear the hooks and remove the right side cover.
A. Hooks
B. Side Cover
- Remove the muffler clamp bolt.
- Remove the muffler mounting bolt (rear).
- Remove the muffler mounting bolt (front) and the muffler body.
A. Muffler Clamp Bolt
B. Muffler Mounting Bolt (Rear)
C. Muffler Mounting Bolt (Front)
D. Muffler Body
- Remove the collars and muffler mount damper.
A. Collars
B. Muffler Mount Damper
C. Muffler Body
- Replace the muffler mount damper with a new one.
- Apply soap and water solution to the muffler mount damper.
- Install the muffler mount damper and collars to the muffler body.
- Install the muffler body, and temporarily tighten the muffler clamp bolt, muffler mounting bolt (rear), and muffler mounting bolt (front).
- Face the muffler clamp bolt downward.
- Firstly, tighten the muffler mounting bolt (front).
- Secondly, tighten the muffler mounting bolt (rear).
- Lastly, tighten the muffler clamp bolt.
A. Muffler Body
B. Muffler Mounting Bolt (Front)
C. Muffler Mounting Bolt (Rear)
D. Muffler Clamp Bolt
- Tightening Torque
- Muffler Mounting Bolts:
- 21 Nm (2.1 kgf m, 15 ftlb)
- Muffler Clamp Bolt:
- 16 N-m (1.6 kgf m, 12 ft-lb)
- Insert the hooks of the right side cover to the ribs of the radiator shroud.
A. Side Cover
B. Radiator Shroud
C. Ribs
D. Hooks
- Tighten the side cover bolt and seat bolt to the specified torque.
A. Side Cover Bolt
B. Seat Bolt
- Tightening Torque
- Side Cover Bolt
- 7.0 N m (0.71 kgf m, 62 in-lb)
- Seat Bolt
- 25 Nm (2.5 kgfm, 18 ft:lb)
