Crankcase Inspection - Polaris ACE 900 2017 Service Manual

Crankshaft Bearing Journal Diameters
Standard
Main
Bearing
Service Limit
Connecting
Standard
Rod
Bearing
Service Limit
Standard
Main
Bearing
Service Limit
Connecting
Standard
Rod
Bearing
Service Limit
Standard
Main
Bearing
Service Limit
Connecting
Standard
Rod
Bearing
Service Limit
16. Whether installing a new crankshaft or re-installing
the original, refer to the bearing selection chart
provided in the "Crankshaft Main Bearing Selection"
and "Connecting Rod Bearing Selection" procedures.
9929422 R02 - 2017-2019 ACE 900 Service Manual
© Copyright Polaris Industries Inc.
B
1.6140 - 1.6143"
(40.996 - 41.004
mm)
1.6126" (40.960 mm)
1.6118 - 1.6122"
(40.942 - 40.950
mm)
1.6104" (40.906 mm)
G
1.6137 - 1.6140"
(40.988 - 40.995
mm)
1.6126" (40.960 mm)
1.6115 - 1.6118"
(40.934 - 40.941
mm)
1.6104" (40.906 mm)
Y
1.6134 - 1.6137"
(40.980 - 40.987
mm)
1.6126" (40.960 mm)
1.6112 - 1.6115"
(40.926 - 40.933
mm)
1.6104" (40.906 mm)
ENGINE / COOLING SYSTEM

CRANKCASE INSPECTION

1. Remove the oil drain diverter
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 Engine Oil Flow Chart page
).
q
from the upper
3
3.61