3
9850045 R01 - 2020-2021 RANGER 1000 Service Manual
© Copyright Polaris Inc.
3.59
5. Measure each main journal and connecting rod
journal in two locations, 90 degrees apart. Replace
crankshaft if any journal is worn below the service
limit specification.
i
MAG End
d
Journal 4 (Rod
Bearing)
o
Journal 1 (Main
Bearing)
f
Journal 5 (Main
Bearing)
a
Journal 2 (Rod
Bearing)
g
Journal 6 (Main
Bearing)
s
Journal 3 (Main
Bearing)
h
PTO End
6. Refer to the six letters stamped onto the PTO end of
the crankshaft.
7. Use the table below to see if the crankshaft bearing
journals are within specification. If worn past the
service limit, replace the crankshaft assembly.
CRANKSHAFT BEARING JOURNAL
DIAMETERS
B
Main
Bearing
Standard
1.6140 - 1.6143"
(40.996 - 41.004
mm)
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)
8. Whether installing a new crankshaft or re-installing
the original, refer to the bearing selection chart
provided in the “Crankshaft Main Bearing
Selection” page 3.9 and “Connecting Rod Bearing
Selection” page 3.9 procedures.
ENGINE / COOLING / EXHAUST
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