Honda CRF450R 2006, Owner'S Manual

Page: 56 / 172

52
Servicing Your Honda
Clutch System
(9) O-ring (10) clutch cover
12. Lubricate the O-ring (11), rear brake pedal (12)
pivot and pivot bolt (13) with Honda Lithium
Grease and tighten the pivot bolt to the
specified torque:
27 lbf·ft (36 N·m, 3.7 kgf·m)
Connect the brake pedal return spring (14) if
it was removed.
(11) O-ring (13) pivot bolt
(12) brake pedal (14) return spring
13. Add the transmission oil (page 40).
(14)
(12)
(13)
(11)
(1) seven clutch plates
(2) eight clutch discs
(3) clutch lifter rod (5) washer
(4) needle bearing (6) clutch lifter
7. Install the clutch pressure plate (7).
8. Install the six clutch springs and bolts (8).
9. Tighten the bolts in a crisscross pattern in 2
or 3 steps, to the specified torque:
9 lbf·ft (12 N·m, 1.2 kgf·m)
(7) clutch pressure plate
(8) clutch springs and bolts
(2)
(1)
(3)
(6) (4)
(5)
(8)
(7)
(9)
(10)
10. Install a new O-ring (9) in the groove of the
clutch cover (10).
11. Install the clutch cover by tightening the six
cover bolts to the specified torque:
7 lbf·ft (10 N·m, 1.0 kgf·m)
3. Apply grease to the clutch lifter rod (3).
4. Insert the clutch lifter rod into the mainshaft.
5. Apply engine oil to the needle bearing (4) and
washer (5) and install them onto the clutch
lifter (6).
6. Install the clutch lifter onto the rod.
(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.
Clutch Disc/Plate Installation
1. Coat the clutch plates (1) with transmission oil.
2. Install the eight clutch discs (2) and seven
clutch plates (1) alternately, starting with a disc.
(1)
Clutch Spring Inspection