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3.51

9925723 R01 - 2015 RZR 900 Service Manual

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.

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”

procedure.

2. Perform “Balance Shaft Removal / Inspection”

procedure.

3. For ease of assembly, mark each connecting rod and

end cap.

4. Loosen, remove and discard the four connecting rod

bolts

. Remove the end caps from the crankshaft.

5. Carefully lift the crankshaft

out of the crankcase.

6. Remove the cam chain

, PTO main seal

and oil

pump drive chain

from the crankshaft.

7. Inspect the auxiliary sprocket

and crankshaft gear

for broken or worn teeth.

8. If the crankshaft gear is damaged, the crankshaft

assembly must be replaced.

ENGINE / COOLING SYSTEM

Polaris 2015 RZR 900 Service Manual

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