2003 Ski-Doo ZX Series Factory Shop Manual, Page 208Get this manual

Section 05 TRANSMISSION Subsection 03 (DRIVE PULLEY)
DRIVE PULLEY
BOMBARDIER LITE
NOTE: This is lubrication free drive pulley377 and 552 Engines Equipped ZX Series Models

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