2009-2010 Ski-Doo REV-XP/XR 2 Stroke and REV-XR 1200 4-TEC Service Manual, Page 173Get this manual
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Section 02 ENGINE Subsection 14 (TOP END (797 ))
Piston Inspection
For dimension measurement proceduresrefer to ENGINE MEASUREMENT section
Piston Cleaning
1 Scrape off carbon f