Piston And Rod Inspection - Polaris Outlaw 500 Service Manual

ENGINE
4. Repeat procedure for second ring.
5. The oil control ring is a three piece design consisting of a
top and bottom steel rail and center expander section.
Remove the top rail first followed by the bottom rail, then
remove the expander. For installation, refer to Page 3.31.

Piston and Rod Inspection

1. Measure piston pin bore.
Piston Pin Bore
Piston Pin Bore:
"
.9055- .9057
2. Measure piston pin O.D. Replace piston and/or piston pin
if out of tolerance.
Piston Pin Measurement Locations
Piston Pin O.D.
.9053- .9065
3.18
(23.001- 23.007 mm)
"
(22.994- 23 mm)
3. Measure piston ring to groove clearance by placing the ring
in the ring land and measuring with a thickness gauge.
Replace piston and rings if ring–to–groove clearance
exceeds service limits.
Piston Ring-to-Groove Clearance
Top Ring Limit: .0059
Second Ring Limit: .0059
4. Measure connecting rod small end ID.
Small End I.D. :
Std: .9058- .9063
Piston
Ring
Feeler Gauge
"
(.15 mm)
"
(.15 mm)
"
(23.007- 23.020 mm)
RepairPro Service Manual