2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 152Get this manual

FINAL DRIVE
CONCENTRIC SWINGARM REAR HOUSING INSTALLATION
1Place brake caliper pivot bushing on stud with flange inward as shown
Caliper Mount Bushing

Upper Mounting Bracket

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