2004 Skidoo ZX Series Service Manual, Page 64Get this manual

2004 Skidoo ZX Series Service Manual, Page 64

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Section 02 MAINTENANCE Subsection 03 (PRESEASON PREPARATION)
THROTTLE BODY CLEANING (ON SO EQUIPPED MODELS)
Remove the throttle body from vehicleUsing the Pulley Flange Cleaner (PN 413 711