2004 Bombardier Outlander 330/400 Factory Service Manual, Page 219Get this manual

Section 04 FUEL SYSTEM Subsection 04 (AIR INTAKE SILENCER)
Unplug engine blow-by hose no11 from air box
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1Engine blow-by hose 2Air box

On LH side of vehicle, do the following: Remove the LH side panelUnscrew air filter box screw no10

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives