3
9929375 R02 - 2016-2019 GENERAL / GENERAL 4 Service Manual
© Copyright Polaris Industries Inc.
3.53
CRANKSHAFT BEARING JOURNAL
DIAMETERS
Service Limit
1.6129" (40.970
mm)
Conn Rod
Bearing
Standard
1.6118 - 1.6122"
(40.942 - 40.950
mm)
Service Limit
1.6104" (40.906
mm)
G
Main
Bearing
Standard
1.6137 - 1.6140"
(40.988 - 40.995
mm)
Service Limit
1.6129" (40.970
mm)
Conn Rod
Bearing
Standard
1.6115 - 1.6118"
(40.934 - 40.941
mm)
Service Limit
1.6104" (40.906
mm)
Y
Main
Bearing
Standard
1.6134 - 1.6137"
(40.980 - 40.987
mm)
Service Limit
1.6129" (40.970
mm)
Conn Rod
Bearing
Standard
1.6112 - 1.6115"
(40.926 - 40.933
mm)
Service Limit
1.6104" (40.906
mm)
14. Whether installing a new crankshaft or re-installing
the original, refer to the bearing selection chart
provided in the Crankshaft Main Bearing
Selectionpage 3.61 and Connecting Rod Bearing
Selectionpage 3.61 procedures.
CRANKCASE INSPECTION
1. Remove the oil drain diverter
q
from the upper
crankcase.
2. Remove all traces of crankcase sealer from the
crankcase mating surfaces. Inspect the surfaces
closely for nicks, burrs or damage.
3. Be sure alignment pins are in place where used.
4. Be sure oil passages are clean and free of any
cleaning solvent (see Chapter 3 – Engine Oil Flow
Chartpage 3.34).
5. Remove and discard the plain bearings located in
the upper crankcase
w
, lower crankcase
e
and
connecting rods
r
. Replace the crankcase
assembly if a bearing bore is galled or if bearing
inserts have rotated in the case. Refer to bearing
selection procedures upon assembly.
ENGINE / COOLING SYSTEM
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