3.60
9850045 R01 - 2020-2021 RANGER 1000 Service Manual
© Copyright Polaris Inc.
INSTALLATION
1. Rotate the engine so the cylinder is facing down.
2. Clean the bearing bore surfaces of upper crankcase
(main bearings), connecting rods and connecting rod
caps.
3. Align tab of new main bearing
q
with the slot in main
bearing bore of crankcase. Press bearing insert firmly
into place. Repeat for all main bearings.
4. Align tab of new connecting rod bearings
w
with the
slot in the connecting rod stem and connecting rod
end cap. Press bearing insert firmly into place.
Repeat for the other connecting rod.
5. Install oil drain diverter
e
into the upper crankcase.
6. Apply Polaris PS-4 engine oil to each rod bearing
journal
r
and main bearing journal
t
of crankshaft.
7. Loop cam chain
y
and oil pump drive chain
i
over
crankshaft sprockets.
8. Apply Polaris PS-4 engine oil to the new crankshaft
oil seal
u
and install the seal on the PTO end of the
crankshaft.
9. Carefully lower the crankshaft into upper crankcase.
Guide connecting rods onto the rod journals of
crankshaft as necessary.
10.Adjust the PTO crankshaft seal so it rests properly in
the upper crankcase.
ENGINE / COOLING / EXHAUST
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