Page 308 - Manual Oficina Polaris Sportsman 570 2014 a 2016

ENGINE / COOLING SYSTEM

MAG SIDE CRANKCASE BEARING SERVICE OIL PICKUP ASSEMBLY INSPECTION
Bearing Removal The oil pickup assembly is located inside of the oil pan.
1. Support the crankcase and drive, press, or extract
the balance shaft bearing w with a blind bearing
remover.
IMPORTANT
The MAG side crankshaft plain bearing q is not
serviceable. Crankcase replacement is required if the
bearing is damaged or has excessive wear. The
crankshaft is reusable if it meets specifications and
MAG side bearing surface is not groved, pitted,
damaged or excessively worn.

Due to extremely close tolerances and minimal wear,
the bearings must be inspected visually, and by feel.
Look for signs of discoloration, scoring or galling. Turn
the inner race of each bearing. The bearings should 1. Remove fastener q that retains oil pickup.
turn smoothly and quietly. The outer race of each
bearing should fit tightly in the crankcase. The inner 2. Pull and twist to remove the oil pickup assembly from
race should be firm with minimal side to side movement the crankcase.
and no detectable up and down movement. 3. Inspect the assembly for cracks and excessive wear.
Replace if necessary.
Bearings are stressed during the removal process 4. Inspect o-ring condition w and replace if necessary
and must not be re-used!
5. Thoroughly clean the pickup assembly.
6. Press the pickup assembly into the crankcase until
fully seated in bore.

7. Install fastener that retains the oil pickup; torque to
specification.

WARNING
Do Not Exceed Torque Value.

TORQUE
Oil Pickup:
59.75 in-lbs (6.75 Nm )

Installation
2. Clean all bearing bores and inspect for excessive
wear.
3. Lubricate all bearing bores with clean engine oil.
4. Fully seat the new balance shaft bearing until
bottomed in the bearing bore.

3.186 9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual
© Copyright Polaris Industries Inc.