2009-2010 Ski-Doo REV-XP/XR 2 Stroke and REV-XR 1200 4-TEC Service Manual, Page 48Get this manual
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Section 02 ENGINE Subsection 02 (ENGINE LEAK TEST)
3 Insert an INTAKE PLUG (PIN 529036 128) in each intake adaptorsTighten with existing clamps
TYPICAL
6 Activate pump