3.6
9940259 R02 - 2022 RZR PRO R / PRO R 4 Service Manual
© Copyright Polaris Industries Inc.
PISTON / RINGS / CONNECTING ROD / CRANKSHAFT / BALANCE SHAFT
ITEM STANDARD SERVICE LIMIT
Piston
Standard O.D. - Measured 90° to pin, 0.51
in. (13 mm) up from piston skirt
3.66 ± 0.0005” (92.970 ± 0.015 mm)
-
Piston Pin Bore I.D. (Standard) 0.8663 - 0.8665” (22.004 - 22.010 mm) 0.8677 in (22.042 mm)
Piston Pin O.D.
0.8659 - 0.8661” (21.995 - 22.000 mm) 0.8651 in (21.975 mm)
Piston Ring
Installed
Gap
Top Ring 0.0177 - 0.0236” (0.45 - 0.60 mm) 0.0275 in (0.7 mm)
Second Ring 0.0275 0.0374” (0.70 - 0.95 mm) 0.0401 in (1.02 mm)
Oil Control Rails
0.0009 - 0.0401” (0.025 - 1.02 mm) 0.0452 in (1.15 mm)
Ring to
Groove
Clearance
Top Ring 0.0012 - 0.0037” (0.030 - 0.095 mm)
0.0059 in (0.15 mm)
Second Ring 0.0012 - 0.0034” (0.030 - 0.086 mm)
Connecting
Rod
Connecting Rod Small End I.D. 0.8668 - 0.8673” (22.017 - 22.030 mm) 0.8677 in (22.04 mm)
Connecting Rod Axial Clearance 0.0039 - 0.0118” (0.100 - 0.300 mm)
-
1 - Marking Conn. Rod Big End Bore I.D. 1.8892 - 1.8895” - (47.987 - 47.994 mm)
-
2 - Marking Conn. Rod Big End Bore I.D. 1.8895 - 1.8898” (47.995 - 48.001 mm)
-
3 - Marking Conn. Rod Big End Bore I.D. 1.8898 - 1.8900” (48.002 - 48.008 mm)
-
Crankshaft
A - Marking
Main Journal O.D.
2.0464 - 2.0466” (51.98 - 51.986 mm) 2.0454" (51.954 mm)
B - Marking
Main Journal O.D.
2.0467 - 20469” (51.987 - 51.993 mm) 2.0460" (51.969 mm)
C - Marking
Main Journal O.D.
2.0470 - 2.0472 (51.994 - 52.000 mm) 2.0465” (51.9811)
A - Marking
Rod Journal O.D.
1.7714 - 1.7717” (44.995 - 45.002 mm) 1.7700" (44.959 mm)
B - Marking
Rod Journal O.D.
1.7717 - 1.7720” (45.003 - 45.010 mm) 1.7706” (44.975 mm)
C - Marking
Rod Journal O.D.
1.7720 - 1.7724” (45.011 - 45.019 mm) 1.7712” (44.991 mm)
Crankshaft Runout Limit (PTO to MAG)
-
Less than 0.001”
(0.03 mm)
Crankshaft Runout Limit (PTO MAG to
Center)
-
Less than 0.001”
(0.04 mm)
ENGINE / COOLING SYSTEM
To Next Page
Loading...
Need help?
General
