2009-2010 Ski-Doo REV-XP/XR 2 Stroke and REV-XR 1200 4-TEC Service Manual, Page 820Get this manual
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Section 02 ENGINE Subsection 09 (CYLINDER BLOCK)
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CYLINDER BLOCK UPPER HAL 1 Check oil orifices
CYLINDER BLOCK LOWER HAL 7 Clleck oil orifices<