2009-2010 Ski-Doo REV-XP/XR 2 Stroke and REV-XR 1200 4-TEC Service Manual, Page 49Get this manual

2009-2010 Ski-Doo REV-XP/XR 2 Stroke and REV-XR 1200 4-TEC Service Manual, Page 49

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Section 02 ENGINE Subsection 02 (ENGINE LEAK TEST)
Troubles hooting lips
Air bubbles or oil column going toward pump may indicates defective check valve in injection nozzle
I Leak In