1998-2004 Honda Foreman 450 factory service manual, Page 321Get this manual
FRONT DRIVING MECHANISM Spring pin Pinion shaft Pinion gears Center collar Side washers
DIFFERENTIAL INSPECTION
CLUTCH Measure and record the height of he clutch springSERVICE LIMIT: 2.5 mm (0.10 mm)
Check the clutch discs for scoring or discolorationMeasure the thickness of each discSERVICE LIMITS: DISC A: 2.4 mm (0.09 n) DISC B: 2.1 mm (0.08 in)
CLUTCH PLATE
NOTE: Clutch disc has two faces: one side is steel plate, the other side is friction surface discInspect the clutch plate surface for excessive scores or discoloration (Purple) and replace if necessaryPINION Measure the pinion gear 1.0and pinion shaft 0.0SERVICE LIMITS: PINION GEAR 1.0 12.05 mm 10.474 in) PINION SHAFT .0 11 .75 mm (0.463 in)