Polaris xp 2013 eps - Page 65

3.7
ENGINE / COOLING
3
9924096 - 2013 RANGER RZR XP 900 / RZR XP 4 900 Service Manual
© Copyright 2012 Polaris Sales Inc.
PISTON / RINGS / CONNECTING ROD / CRANKSHAFT / BALANCE SHAFT
Piston
Piston - Standard O.D. - Measured 90 degrees to pin,
0.39 in. (10 mm) up from piston skirt. See text.
3.6597 ± 0.0003" (92.959 ± 0.008 mm)
Piston Pin Bore I.D. (Standard) 0.7877" - 0.7881" (20.009 - 20.018 mm)
Piston Pin Bore I.D. (Service Limit) 0.7893" (20.05 mm)
Piston Pin
Piston Pin O.D. (Standard) 0.7873" - 0.7875" (20.000 - 20.005 mm)
Piston Pin O.D. (Service Limit) 0.7866" (19.98 mm)
Piston Ring
Installed
Gap
Top Ring (Standard) 0.010" - 0.014" (0.25 - 0.35 mm)
Top Ring (Service Limit) 0.0196" (0.5 mm)
Second Ring (Standard) 0.015" - 0.025" (0.37 - 0.63 mm)
Second Ring (Service Limit) 0.028" (0.70 mm)
Oil Control Rails (Standard) 0.008" - 0.028" (0.20 - 0.70 mm)
Oil Control Rails (Service Limit) 0.0354" (0.9 mm)
Ring to Groove
Clearance
Top Ring (Standard)
0.0007" - 0.0023" (0.020 - 0.060 mm)
Second Ring (Standard)
Service Limit 0.0047" (0.12 mm)
Connecting Rod
Connecting Rod Small End I.D. (Standard) 0.7879" - 0.7885" (20.015 - 20.030 mm)
Connecting Rod Small End I.D. (Service Limit) 0.7897" (20.06 mm)
1 - Marking Connecting Rod Big End Bore I.D. 1.7318" - 1.7321" (43.989 - 43.996 mm)
2 - Marking Connecting Rod Big End Bore I.D. 1.7321" - 1.7323" (43.996 - 44.003 mm)
3 - Marking Connecting Rod Big End Bore I.D. 1.7323" - 1.7326" (44.003 - 44.010 mm)
Crankshaft
B - Marking Main Journal O.D. (Standard) 1.6140" - 1.6143" (40.996 - 41.004 mm)
G - Marking Main Journal O.D. (Standard) 1.6137" - 1.6140" (40.988 - 40.995 mm)
Y - Marking Main Journal O.D. (Standard) 1.6134" - 1.6137" (40.980 - 40.987 mm)
Main Journal O.D. (Service Limit) 1.6129" (40.970 mm)
B - Marking Rod Journal O.D. (Standard) 1.6118" - 1.6122" (40.942 - 40.950 mm)
G - Marking Rod Journal O.D. (Standard) 1.6115" - 1.6118" (40.934 - 40.941 mm)
Y - Marking Rod Journal O.D. (Standard) 1.6112" - 1.6115" (40.926 - 40.933 mm)
Rod Journal O.D. (Service Limit) 1.6104" (40.906 mm)
Crankshaft Runout Limit (PTO and MAG) Less than 0.001" (0.025 mm)
Balance Shaft
Bearing Journal O.D. (Standard) 1.4939" - 1.4946" (37.946 - 37.962 mm)
Bearing Journal O.D. (Service Limit) 1.4921" (37.900 mm)