GENERAL INFORMATION
1.13
2. Loosen the four bearing housing bolts. Loosen the
chain adjuster lock nut. Turn the chain adjuster
clockwise until chain is set to specification
1/4”--1/2” (6--12 mm). Tighten the chain adjuster
lock nut to specification.
Chain Adjuster Lock Nut Torque:
84 in.lbs (9.4 Nm)
3. Tighten the four bearing housing bolts to
specification. Re-install rear cover.
Bolts
Bearing Housing Bolt Torque:
43 ft.lbs (60 Nm)
LUBRICATION
1. Lubricate grease fittings on spindles monthly with
Polaris All Season Grease, or more frequently if
used often.
Polaris Premium All Season Grease
14 oz. (PN 2871423)
Grease Gun Kit PN 2871312
FRONT SHOCKS AND SPRINGS
1. Inspect the front shocks and springs to ensure
proper function. If the shock is leaking oil,
replace. The spring preload can be adjusted on
the Sportsman 90 by turning the adjuster nut.
Inspect the A-arm and weldments for any sign
damage.
REAR SHOCK AND SPRING
1. Inspect the rear shock and spring to ensure proper
function. If the shock is leaking oil, replace.
Inspect the swing arm and weldments for any sign
of damage.
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