1998-2001 Honda Fourtrax Foreman TRX450S, TRX450ES Factory Service Manual, Page 256Get this manual

REAR WHEELSUSPENSION Remove the swingarm pivot cap (each side)
Release the breather tubes from the swingarm clam ps
Remove the left pivot bo lt using th commercia lliy avai:lable tool as shown
Remove the ig ht pivot ock nut using he special too las stl0wn

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