Honda 2012 CRF450X Off-road Trail

User Manual - Page 62

For 2012 CRF450X.

PDF File Manual, 188 pages, Download pdf file

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58 Servicing Your Honda
Clutch System
Clutch Disc/Plate Inspection
Replace the clutch discs (1) if they show signs of
scoring or discoloration.
Measure the thickness of each clutch disc.
Service Limit: 0.112 in (2.85 mm)
Replace the clutch discs and clutch plates as a
set.
(1)
(1) clutch disc
Check the clutch plates (2) for excessive warpage
or discoloration.
Check the plate warpage on a surface plate using
a feeler gauge.
Service Limit: 0.006 in (0.15 mm)
Replace the clutch discs and clutch plates as a
set
.
(2)
(2) clutch plate
Clutch Spring Inspection
(1)
(1) clutch spring
Measure the free length of each spring.
Service Limit: 1.72 in (43.7 mm)
Replace the clutch springs as a set if any one of
them is below the service limit or if the clutch
plates have been burnt/heat discolored.
6. Remove the washer (10), needle bearing (11),
clutch lifter (12) and clutch lifter rod (13).
7. Remove the eight clutch discs and seven
clutch plates (14).
Assemble the clutch lifter, needle bearing
and washer. Turn the needle bearing with
your finger. The needle bearing should turn
smoothly and quietly. Replace the needle
bearing and washer if the needle bearing does
not turn smoothly.
(11)
(12) (13)
(14)
(10)
(10) washer
(11) needle bearing
(12) clutch lifter
(13) clutch lifter rod
(14) clutch discs/clutch plates
00X31-MEY-6600CRF450X.indb2800X31-MEY-6600CRF450X.indb28 2011/06/1710:38:452011/06/1710:38:45
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