3
9931493 R03 - 2020-2021 Sportsman XP 1000 S Service Manual
© Copyright Polaris Inc.
3.67
CRANKSHAFT INSTALLATION
Refer to Crankcase - Upper.
1. Clean the bearing bore surfaces of upper crankcase
(main bearings), connecting rods and connecting rod
caps.
2. Align tab of a new main bearing
q
with the slot in
main bearing bore of crankcase
w
. Press bearing
insert firmly into place. Repeat for all main bearings,
connecting rods, and connecting rod caps.
3. Apply Polaris Premium Starter Grease (PN 2871460)
to each main and rod bearing journal of crankshaft.
4. Loop cam chain over crankshaft sprocket.
5. Apply engine oil to new crankshaft seals and install
seals on both ends of crankshaft with spring side of
seal facing IN (toward crankshaft).
6. Carefully lower crankshaft into upper crankcase.
Guide connecting rods onto rod journals of
crankshaft as necessary.
7. Adjust crankshaft seals so each is flush with end of
crankcase.
8. Install rod caps on connecting rods with marks
aligned.
9. Install new connecting rod bolts (apply clean engine
oil to threads) and tighten evenly until snug.
10. Torque bolts to specification.
TORQUE
Connecting Rod Bolts
Torque in Sequence:
Step 1: 9 ft-lbs (12 N·m)
Step 2: 20 ft-lbs (27 N·m)
Step 3: Tighten an additional 90°
OIL PASSAGE TUBE
1. Replace O-rings on both ends of the oil supply tube.
2. Apply a light film of engine oil to O-rings.
3. Push oil tube into upper crankcase.
ENGINE / COOLING SYSTEM