3.50
ENGINE / COOLING SYSTEM
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
Piston-to-Cylinder Clearance
1. Measure the ou tside dia meter of the pisto n 1 2 mm
from the skirt and at a rig ht angle to the direction of
the piston pin.
2. Subtract t his m easurement fr om th e ma ximum
cylinde
r size measurement from cylinder inspection.
Piston / Rod Inspection
1. Measure piston pin bore.
2. Measure piston pin O.D. Rep
lace piston and/or piston
pin if out of tolerance.
Piston to Cylinder Clearance:
.00019” - .00216” (.005 - .055 mm)
Piston O.D.:
3.8957 - 3.8968” (98.953 - 98.980 mm)
Piston Pin Bore:
Standard.:
0.8662” - 0.8665” (22.004 - 22.010 mm)
Service Limit:
0.8651” (21.975 mm)
Piston Pin O.D.:
Standard.:
0.8659” - 0.8661” (21.995 - 22.0 mm)
Service Limit:
0.8651” (21.975 mm)
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