Pto Side Crankcase Bearing Service - Polaris 2012 RANGER RZR 570 INTL Service Manual

3. Place the crankshaft in a truing stand or V-blocks and
measure the runout where indicated below with a dial
indicator.
C
D
Maximum Runout:
Inner (C) - 0.00118" (0.03 mm)
Outer (D) - 0.00590" (0.15 mm)
IMPORTANT: The MAG side crankshaft plain bearing
is not s erviceable. Cra nkcase re placement is
required if the bearing is damaged or has excessive
wear. The cra nkshaft is
specifications an d M AG si de b earing s urface i s n ot
groved, pitted, damaged or excessively worn.
C
D
reusable if it meets
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
ENGINE / COOLING SYSTEM

PTO Side Crankcase Bearing Service

Bearing Removal
NOTE: Due to ext remely clos e t olerances an d
minimal wea r, the be arings mu st be inspected
visually, and by feel. Look for signs of discoloration,
scoring or g alling. T urn t he inn er ra ce of
bearing. T he be arings sho uld turn smoot hly an d
quietly. Th e out er ra ce of ea ch be aring s hould f it
tightly in the cra nkcase. The inne r ra ce s hould be
firm with minimal side to
detectable up and down movement.
NOTE: Bearings are st ressed during the remov al
process and must not be re-used!
1. Remove and discard the PTO side cra nkshaft seal.
Replace with new for assembly.
2. If not already performed, remove the (2) screws that
secure the bearing retainer to the case.
3. Remove the retaining ring.
4. Support the crankcase and drive, press, or extract the
(3) bearings with a blind bearing remover.
Bearing
Retainer
Spacer
8 ft. lbs.
(11 Nm)
Apply Loctite® 272™
each
side mo vement and n o
Seal
Retaining
Ring
Bearing
3.79
3