2009-2010 Ski-Doo REV-XP/XR 2 Stroke and REV-XR 1200 4-TEC Service Manual, Page 748Get this manual

2009-2010 Ski-Doo REV-XP/XR 2 Stroke and REV-XR 1200 4-TEC Service Manual, Page 748

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Section 02 ENGINE Subsection 04 (LUBRICATION SYSTEM)
3 Remove -ring and V-ring from breathe r1I 1'11I 1'(I(I' Cht,

AIR MUST NOT FLOW

If test fails, replace the brea th