Crankshaft Installation - Polaris GENERAL 2016 Service Manual

ENGINE / COOLING SYSTEM
10. Carefully place the cylinder and pistons into the
upper crankcase.
11. Install the Cylinder Holding & Camshaft Timing Plate
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(PU-50563) onto the cylinder. The cylinder holding
tool retains the cylinder and pistons when the engine
is rotated.

CRANKSHAFT INSTALLATION

NOTICE
Whether installing a new crankshaft or re-installing the
original, refer to the bearing selection charts (see
Chapter 3 – Crankshaft Main Bearing Selectionpage
3.61 and Connecting Rod Bearing Selectionpage 3.61
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
bearing bore of crankcase. Press bearing insert
firmly into place. Repeat for all main bearings.
3.66
).
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with the slot in main
4. Align tab of new connecting rod bearings
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
6. Apply Polaris PS-4 engine oil to each rod bearing
r
journal and main bearing journal
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7. Loop cam chain and oil pump drive chain
crankshaft sprockets.
9929375 R02 - 2016-2019 GENERAL / GENERAL 4 Service Manual
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with the
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into the upper crankcase.
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of crankshaft.
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