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Discussion Starter · #1 ·
Went to my local shop today showing my cylinder who has gone bad due to overheating.
He said it is an nikasil cylinder but im not sure.
I can se the honing krisscross pattern inside.
How do i know?

Its a polaris 550xp forrest 2013.
 

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2013 550 has a steel liner as evidenced by the availability of oversized pistons and rings - plated cylinders have no oversizes available from the manufacturer.

From the service manual:
154705
 
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