2007 Arctic Cat Four-Stroke Factory Service Manual, Page 470Get this manual
5Inspect the two adjusting cams for damage6Rotate the idler wheel bearings (by hand) and check for binding or roughness7If bearing must be replaced, use this procedure ! CAUTION
Do not remove the bearing unless it is absolutely necessaryThe bearing will be damaged during removal
ARemove the wheel insert (if applicable) and the snap ringBUsing hydraulic press, press the bearing out the inside of the wheelCPress the new bearing (on its outer race) into the idler wheel
ASSEMBLING
1Install the rear arm onto the idler arm with an aluminum axle, bushing assemblies, and two cap screws (coated with blue Loctite #243)Tighten only until snug