Honda CRF50F 2005 Service & Repair Manual page 10

CLUTCH/GEARSHIFT LINKAGE
9-10
Clutch spring
Measure the clutch spring free length.
SERVICE LIMIT: 19.4 mm (0.76 in)
Clutch disc
Replace the clutch discs if they show signs of scor-
ing or discoloration.
Measure the disc thickness of each disc.
SERVICE LIMITS:
Clutch disc A:
Clutch disc B:
Clutch plate
2.3 mm (0.09 in)
3.0
mm
(0.12
in)
Check each disc plate for warpage on a surface plate
using a feeler gauge.
SERVICE LIMIT: 0.20 mm (0.008 in)
Primary drive gear/clutch center guide
Check the primary drive gear and clutch center
guide for excessive wear or damage.
Measure the LO.of the primary drive gear.
SERVICE LIMIT: 21.05
mm
(0.829
in)
Measure the 0 .0. and I.D. of the clutch center guide.
SERVICE LIMITS:
1.0.: 17.04 mm (0.671 in)
0 .0.: 20.90 mm (0.823 in)