120
MAINTENANCE
Drive Chain Inspection and Adjustment
Polaris ATV drive chains are equipped with O-ring sealed permanently greased
pins and rollers. However, it is still necessary to lubricate the outer surfaces of the
roller.
CAUTION:
Never wash the chain with a high pressure washer or gasoline. Dam-
age to the O-rings will result, causing premature wear and drive chain failure.
Always
inspect the drive chain prior to operating the vehicle, checking for dam-
aged or missing O-rings, rollers and correct slack adjustment. Maintain the stone
guard to rear sprocket clearance at 1/8
″
(.3 cm).
Regularly lubricate the drive chain with SAE 80-90 lube or an approved O-ring
chain spray lube.
Center/Front Drive Chain Slack Adjustment
CAUTION:
Never adjust or operate the vehicle with the front or center drive
chain too loose or too tight as severe damage to the transmission and drive compo-
nents can result.
Periodically remove the chain guards to check chain quality and adjustment.
The center chain should be adjusted first since this adjustment affects the
front chain slack.
After the recommended center chain adjustment is made, pro-
ceed to the front chain.
Front
Center
Pin Punch
1/4
I
-1/2
″
(.6-1.3 cm)
with 18 lb. load
A
B
1/4
I
-1/2
″
(.6-1.3 cm)
with 18 lb. load
Sprocket
Holes
Torque
to 45 ft. lbs.
Center/Front Drive Chain Inspection/Adjustment
Gen IV Models
1. Remove mudguard and footwell hardware.
2. Remove footwell. Loosen center chain eccentric clamp bolts (A).
3. Rotate vehicle forward or rearward until a sprocket hole aligns with hole pro-
vided in eccentric.
4. Insert a large punch or screwdriver through sprocket and into eccentric hole.
Rotate vehicle rearward to tighten chain. Chain deflection should be 1/4
″
-1/2
″
(.6-1.3 cm) with 18 lbs. (8.2 kg) of force at center of chain.
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