Honda CRF450X 2010 User Manual

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CLUTCH/STARTER CLUTCH/KICKSTARTER/GEARSHIFT LINKAGE
Apply molybdenum oil solution to the clutch outer
guide inner surface and clutch ouler needle bearing
rolling area.
Apply transmission oil 10 the needle bearing.
Install the clutch outer guide and needle bearings
onto the mainshaft.
Apply oil to the clutch ou t er sliding surface.
Install the clutch outer and th r ust washer.
Install the right crankcase cover (page 11-6).
Install the clutch center onto the mainshaft.
Install a new lock washer by aligning its grooves
with the clutch center ribs.
Apply transmission oil to the threads and seating
surface
of the clutch center lock nut.
Install the thrust washe r and lock nut.
Tighten the lock nut to the specified torque using
the special tool.
TOOL:
Clutch center holder 07724-0050002 or
equivalent com-
merciallvavail·
able in U.S.A.
TORQUE: 80 N'm 18.2 kgf·m, 59 Ibf ·ft)
11-13

Honda CRF450X 2010 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore and Stroke	96mm x 62.1mm
Compression Ratio	12.0:1
Transmission	Wide-ratio five-speed
Final Drive	#520 chain; 13T/51T
Front Suspension	47mm inverted Showa cartridge fork with 16-position rebound and 16-position compression damping adjustability; 12.4 inches travel
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	1.9 gallons
Ignition	Solid-state CD with electronic advance
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and 13-position compression damping adjustability; 12.4 inches travel
Rake	27.38 degrees