Arctic Cat ZR 120 Service Manual download pdf (Page 39)

5. Inspect the chain and chain sprocket for wear or

damage.

6. Inspect the driveshaft sprockets for wear or damage.

INSTALLING

1. Slide the chain sprocket/clutch/drive chain assem-

bly into position; then install the key into the new

sprocket.

IO114A

2. Secure the clutch with a pair of channel-lock pliers at

the outer clutch collar; then install the cap screw with

lock washer, washer , and spacer. T ighten to 20 ft-lb .

A020

3. Slide the brake band over the clutch and secure the

brake band with a washer and retaining ring (A);

then with the brake cable installed in the bracket,

tighten the rear brake cable adjustment jam nut (B)

securely.

IO112A

4. Compress and hold the brake lever; then install the

cap screw (coated with red Loctite #271) and

washer securing the chain sprocket. Tighten the

cap screw to 20 ft-lb; then release the lever.

5. Place the exhaust gasket into position on the

engine exhaust studs.

6. Place the muffler into position in the engine com-

partment; then press down on the muffler and

position the flange onto the engine exhaust studs.

Secure with two nuts and the hold-down spring.

7. Place the front clutch shield and rear sprocket

cover into position making sure the hood cable is

properly positioned. Tighten the self-tapping

screws securely.

Track and Driveshaft



NOTE: The skid frame must be removed for this pro-

cedure (see Rear Suspension section).

REMOVING

1. Remove the self-tapping screws securing the rear

sprocket cover; then remove the cover.

2. Compress and hold the brake lever; then remove

the cap screw and washer securing the chain

sprocket to the driveshaft. Release the lever.

IO118A

3. Slide the chain sprocket off the driveshaft and set

aside. Account for the key.

IO114A

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Arctic Cat ZR 120 Service Manual Page 39

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