Page 93 - Manual Oficina Polaris RS1 2018 e 2019

ENGINE / COOLING SYSTEM

PISTON / RINGS / CONNECTING ROD / CRANKSHAFT / BALANCE SHAFT
ITEM STANDARD SERVICE LIMIT
Standard O.D. - Measured 90° to pin, 0.39 3.6597 ± .0003" (92.959 ± 0.008 mm) -
in. (10 mm) up from piston skirt
Piston
Piston Pin Bore I.D. (Standard) .7877 - .7881" (20.009 - 20.018 mm) .7893" (20.05 mm)
Piston Pin O.D. .7873 - .7875" (20.000 - 20.005 mm) .7866" (19.98 mm)
Top Ring .010 - .014" (0.25 - 0.35 mm) .0196" (0.5 mm)
Installed Second Ring .015 - .025" (0.37 - 0.63 mm) .028" (0.70 mm) 3
Gap
Piston Ring Oil Control Rails .008 - .028" (0.20 - 0.70 mm) .0354" (0.9 mm)
Ring to Top Ring
Groove .0007 - .0023" (0.020 - 0.060 mm) .0047" (0.12 mm)
Clearance Second Ring
Connecting Rod Small End I.D. .7879 - .7885" (20.015 - 20.030 mm) .7897" (20.06 mm)
1 - Marking Conn. Rod Big End Bore I.D. 1.7318 - 1.7321" (43.989 - 43.996 mm) -
Connecting
Rod 2 - Marking Conn. Rod Big End Bore I.D. 1.7321 - 1.7323" (43.996 - 44.003 mm) -

3 - Marking Conn. Rod Big End Bore I.D. 1.7323 - 1.7326" (44.003 - 44.010 mm) -
B - Marking Main Journal O.D. 1.6140 - 1.6143" (40.996 - 41.004 mm) 1.6129" (40.970 mm)
G - 1.6137 - 1.6140" (40.988 - 40.995 mm) 1.6129" (40.970 mm)
Marking Main Journal O.D.
Y - Marking Main Journal O.D. 1.6134 - 1.6137" (40.980 - 40.987 mm) 1.6129" (40.970 mm)
B - Marking Rod Journal O.D. 1.6118 - 1.6122" (40.942 - 40.950 mm) 1.6104" (40.906 mm)
Crankshaft
G - 1.6115 - 1.6118" (40.934 - 40.941 mm) 1.6104" (40.906 mm)
Marking Rod Journal O.D.
Y - Marking Rod Journal O.D. 1.6112 - 1.6115" (40.926 - 40.933 mm) 1.6104" (40.906 mm)
Less than .001″
Crankshaft Runout Limit (PTO and MAG) -
(0.025 mm)
Balance Bearing Journal O.D. (Standard) 1.4939 - 1.4946" (37.946 - 37.962 mm) 1.4921" (37.900 mm)
Shaft

9928689 - 2018 RZR RS1 Service Manual 3.7
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