2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 210Get this manual
CENTRIFUGAL CLUTCH Remove the clutch weights and springs from the drive plateWEIGHTS
SPRINGS
Replace the clutch weight springs as set
Measure the clutch weight spring free lengthSERVICE LIMIT: 24.1 mm (0.95 in)