3
9929419 R02 - 2018-2019 RZR XP / XP 4 Turbo S Service Manual
© Copyright Polaris Industries Inc.
3.91
CRANKCASE ASSEMBLY
1. Check to be sure the PTO crankshaft seal is resting
properly in the upper crankcase.
2. Align tab of new main bearings
q
and new balance
shaft bearings
w
with the slot in each bearing bore of
the lower crankcase. Press bearing inserts firmly into
place.
3. Apply Polaris PS-4 engine oil to the new bearings
installed in the lower crankcase half.
4. Clean crankcase mating surfaces to remove any oil.
5. Align tab of new main bearings
e
and new balance
shaft bearings
r
with the slot in each bearing bore of
the upper crankcase. Press bearing inserts firmly into
place.
6. Apply Polaris PS-4 engine oil to the new bearings
installed in the upper crankcase half.
7. Apply a thin, continuous film of Crankcase Sealant
(PN 2871557) to upper crankcase mating surface as
shown. Do not allow sealant to dry before assembly.
NOTE
DO NOT block oil passages
t
with crankcase sealant.
8. Carefully place lower crankcase on upper case,
making sure the oil pump drive chain is fed through
the lower crankcase.
9. Tap lower crankcase with a rubber hammer to seat
the case halves together.
10.Inspect crankcase mating surfaces to be sure they
are joined properly. Investigate the cause of any
gaps.
ENGINE / COOLING SYSTEM
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