Polaris RANGER ETX 2015 Owner's Manual page 102

ENGINE / COOLING SYSTEM
PISTON / RINGS / CONNECTING ROD / CRANKSHAFT / BALANCE SHAFT / OIL PUMP
ITEM
O.D. - Measured 90° to pin (9.5 mm) up from
piston skirt
Piston Pin Bore I.D.
Piston
Piston Pin O.D.
Degree of fit
Piston Installed
Rings Gap
Connecting Rod Small End I.D.
Connecting rod small end radial clearance
Connecting
Rod
Connecting rod big end side clearance
Connecting rod big end radial clearance
Runout Limit (PTO and MAG)
Crankshaft
Runout Limit (PTO and MAG)
Balance
Bearing Journal O.D. (Water Pump End)
Shaft
Bearing Journal O.D. (Oil Pump End)
Rotor tip clearance
3.10
Top Ring
Second Ring
Oil Control Rails
9926806 R03 - 2015 - 2016 RANGER ETX / 570 2-SEAT 2015 - 2016 RANGER 570 CREW Service Manual
STANDARD
3.068–3.07 in. / 77.946 - 77.984 mm
.724–.740 in. / 18.4 - 18.8 mm
.708–.7086 in. / 17.995 - 18.00 mm
Push fit (by hand) 68ºF / 20ºC
.0074 - .0177 in. / 0.19–0.45 mm
.0074 - .0177 in.. /0.19–0.45 mm
.029 - 0.155 in. / 0.76–3.94 mm
.7086–.709 in. / 18.000 - 18.018 mm
.0007-.0009 in. / 0.018 - 0.023 mm
.0059–.0177 in. / 0.15 - 0.45 mm
.0009–.0014 in. / 0.023 - 0.038 mm
.002 in / 0.05 mm
.002 in / 0.05 mm
Inspect by feel and fit. Replace
bearings and / or carrier assembly if
damage or wear is found.
SERVICE LIMIT
.7100 in. / 18.036 mm
.708 in. / 17.985 mm
.0059 in. / 0.150 mm
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