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ENGINE / COOLING
9924096 - 2013 RANGER RZR XP 900 / RZR XP 4 900 Service Manual
© Copyright 2012 Polaris Sales Inc.
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. 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.
IMPORTANT: DO NOT block oil passages with
crankcase sealant.
6. Carefully place lower crankcase on upper case,
making sure the oil pump drive chain is fed through
the lower crankcase.
7. Tap lower crankcase with a rubber hammer to seat the
case halves together.
8. Inspect crankcase mating surfaces to be sure they are
joined properly. Investigate the cause of any gaps.
9. Install the (8) M10, (2) M8 and (1) M6 lower crankcase
bolts. Tighten all bolts lightly by hand.
IMPORTANT: Install new M10 lower crankcase bolts.
10. Torque lower crankcase bolts in sequence to
specification. Repeat sequence to verify final torque.
11. Rotate the engine so the cylinder is facing up.
Sealant Path
Sealant Path
DO NOT Block
Oil Passages
Lower Crankcase Bolts:
M10 Bolts:
Step 1: 9 ± 2 ft-lbs (12 ± 3 Nm)
Step 2: 21 ± 2 ft-lbs (28 ± 3 Nm)
Step 3: Tighten an additional 90° (1/4 turn)
M8 Bolts: 26 ft-lbs (35 Nm)
M6 Bolts: 9 ft-lbs (12 Nm)
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