Honda CRF450X User Manual

Clutch System
12.Lubricate the dust seals (12), rear brake pedal
(13) pivot and pivot bolt (14) with Honda
Lithium Grease or equivalent.
13.Install the dust seals (12), washer (16) and
pivot bolt (14) and tighten the bolt to the
specified torque.
27 lbf·ft (36 N·m, 3.7 kgf·m)
Connect the brake pedal return spring (15) if
it was removed.
14.Insert the pin (17).
(12) dust seals (15) return spring
(13) brake pedal (16) washer
(14) pivot bolt (17) pin
15.Fill the crankcase with transmission oil (page
47).
Servicing Your Honda 59
(15)
(17)
(16)
(14)
(13)
(12)
7. Install the clutch pressure plate (8).
8. Install the six clutch springs and bolts (9).
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)
(8) clutch pressure plate
(9) clutch spring bolts/springs
(10) O-ring (11) clutch cover
(8)
(9)
(11)
(10)
10. Install a new O-ring (10) in the groove of the
clutch cover (11).
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)
Clutch Disc/Plate Installation
1. Coat the clutch disc A (1), B (2) and plates (3)
with clean transmission oil.
2. Starting and ending with the two clutch disc A
(1), alternately install the six clutch disc B (2)
and seven clutch plates (3).
(1) clutch disc A
(2) clutch disc B
(3) clutch plates
3. Apply grease to the clutch lifter rod (4).
4. Insert the clutch lifter rod into the mainshaft.
5. Apply engine oil to the needle bearing (5) and
washer (6) and install them to the clutch lifter
(7).
6. Install the clutch lifter onto the rod.
(4) clutch lifter rod (6) washer
(5) needle bearing (7) clutch lifter
(3)
(2)
(
1)
(1)
(2)
(1)
(6)
(5)
(7)
(4)

Honda CRF450X Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Induction	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Front Brake	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	110/100-18
Wheelbase	58.3 inches
Fuel Capacity	2.0 gallons
Final Drive	#520 chain; 13T/51T
Front Suspension	49mm leading-axle inverted telescopic Showa fork; fully adjustable
Rear Suspension	Pro-Link Showa single shock with spring preload adjustability
Trail	4.6 inches
Curb Weight	275 pounds (Includes all standard equipment, required fluids and a full tank of fuel—ready to ride)
Rake	27.0°