3.60
9940259 R02 - 2022
RZR
PRO R / PRO R 4 Service Manual
© Copyright Polaris Industries Inc.
7. Using a dial bore gauge, measure big end I.D. in two
directions shown. Record measurements and
compare to specifications.
8. Refer to the number stamped onto the exhaust side
of the connecting rod. This number represents the
bore diameter.
9. The table below lists the big end bore diameter
specifications.
BEARING SELECTION CHART — ROD BEARINGS
CONNECTING ROD BIG END BORE
DIAMETERS
1
2
3
1.8892 -
1.8895” -
(47.987 -
47.994 mm)
1.8895 -
1.8898”
(47.995 -
48.001 mm)
1.8898 -
1.8900”
(48.002 -
48.008 mm)
10. Whether using new connecting rods or re-installing
the original ones, refer to the bearing selection chart
provided in the
Connecting Rod Bearing Selection
procedure in this chapter.
CYLINDER HEAD DISASSEMBLY
1. Remove the coolant vent fitting
q
.
IMPORTANT
Ensure that the valve train components are kept
together and identified in order for proper re-installation
in their original position.
2. Using the
PV-1253
compressor, compress the valve
spring.
3. Remove the valve keys
w
.
4. Slowly release the
PV-1253
compressor from the
valve spring assembly.
5. Remove the retainers
e
.
