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9930588 R02 - 2017-2020 RZR 900 900/S 900/S4 1000/S 1000/S4 Service Manual
© Copyright Polaris Industries Inc.
3.109
5. Measure each bearing journal in two locations, 90
degrees apart. Replace balance shaft if either journal
is worn below the service limit specification. If worn
past the service limit, replace the balance shaft
assembly.
MEASUREMENT
Balance Shaft Diameter (MAG & PTO):
1.4939 - 1.4946" (37.946 - 37.962 mm)
Service Limit:
1.4921" (37.900 mm)
CRANKSHAFT REMOVAL / INSPECTION
1. Perform Crankcase Disassembly / Inspection page
3.106 procedure.
2. Perform Balance Shaft Removal / Inspection page
3.108 procedure.
3. For ease of assembly, mark each connecting rod and
end cap.
4. Loosen, remove and discard the four connecting rod
bolts
q
. Remove the end caps from the crankshaft.
5. Carefully lift the crankshaft
w
out of the crankcase.
6. Remove the cam chain
e
, oil pump drive chain
t
and PTO main seal
r
from the crankshaft.
ENGINE / COOLING SYSTEM