Polaris RZR XP Turbo - Page 100

3.8
9928491 R04 - 2017-2018 RZR XP Turbo / XP4 Turbo 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, 0.39"
(10 mm) up from piston skirt
3.6597 ± .0003" (92.959 ± 0.008 mm)
-
Piston Pin Bore I.D. (Standard) .8665 - .8668" (22.009 - 22.017 mm) .8678" (22.042 mm)
Piston Pin O.D.
.8659 - .8661" (21.995 - 22.000 mm) .8651" (21.975 mm)
Piston Ring
Installed
Gap
Top Ring .010 - .016" (0.24 - 0.40 mm) .0196" (0.50 mm)
Second Ring .015 - .025" (0.37 - 0.63 mm) .028" (0.70 mm)
Oil Control Rails
.010 - .040" (0.25 - 1.02 mm) .045" (1.15 mm)
Ring to
Groove
Clearance
Top Ring
.0007 - .0023" (0.020 - 0.060 mm) .0047" (0.12 mm)
Second Ring
Connecting
Rod
Connecting Rod Small End I.D. .8667 - .8673" (22.015 - 22.03 mm) .8677" (22.04 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. 1.8896 - 1.8898" (47.995 - 48.001 mm)
-
3 - Marking Conn. Rod Big End Bore I.D. 1.8898 - 1.8901" (48.002 - 48.008 mm)
-
Crankshaft
A - Marking
Main Journal O.D.
1.6140 - 1.6143" (40.996 - 41.004 mm) 1.6129" (40.970 mm)
B - Marking
Main Journal O.D.
1.6137 - 1.6140" (40.988 - 40.995 mm) 1.6129" (40.970 mm)
C - Marking
Main Journal O.D.
1.6134 - 1.6137" (40.980 - 40.987 mm) 1.6129" (40.970 mm)
A - Marking
Rod Journal O.D.
1.7715 - 1.7717" (44.995 - 45.002 mm) 1.7704" (44.968 mm)
B - Marking
Rod Journal O.D.
1.7718 - 1.7720" (45.003 - 45.010 mm) 1.7707" (44.976 mm)
C - Marking
Rod Journal O.D.
1.7721 - 1.7724" (45.011 - 45.019 mm) 1.7710" (44.984 mm)
Runout
MAG
-
Less than .001″
(0.035 mm)
PTO
-
.002″ (0.05 mm)
Balance
Shaft
Bearing Journal O.D. (Standard) 1.4939 - 1.4946" (37.946 - 37.962 mm) 1.4921" (37.900 mm)
ENGINE / COOLING SYSTEM