Polaris Sportsman 400 Service Manual page 200

CLUTCH
ROLLER, PIN AND THRUST WASHER INSPECTION
3. Inspect all rollers, bushings and roller pins by pulling a
flat metal rod across the roller. Turn roller with your
finger. If you notice resistance, galling, or flat spots,
replace rollers, pins and thrust washers in sets of
three. Also inspect to see if roller and bushing are
separating. Bushing must fit tightly in roller. Use pin
removal tool PN 2870910 to replace rollers and pins.
Take care not to damage roller bushing or bearing
surface of the new pin during installation.
4. Rubber backed buttons can and should be used in all
ATV clutches if the hollow roller pin is changed to the
solid roller pin. NOTE: The rubber side of the button is
positioned toward the solid roller pin.
recommended to switch all buttons to the rubber
version during service.
6.16
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