Honda CRF450X 2008 Service Manual

GENERAL INFORMATION
LO C ATION
Crankshaft hole cap threads
Timing hole cap threads
Countershaft collar D-ring
Armature shaft end
Each oil seal lips
Dust seal lips
Oil fitter spring contact area
Mechanical seal Ii 5
Gearshift drum center pin bolt threads
Stator
mounting bolt threads
I
gnition pulse generator mounting bolt threads
Cam sprocket bolt threads
Balancer shaft bear ing set plate bolt threads
Mainshaft bearing set plate bolt threads
Gearshift
drum bearing set plate bolt threads
Countershaft bearing set plate screw threads
Cam chain tensioner bolt threads
Throttle shaft screw threads
Throttle shaft
torx screw threads
Oil jet mounting bolt threads
Crankcase tightening bolt th reads
('05, '06)
(After '06)
Crankshaft bearing set
plate torx screw threads
Alternator wire grommet sealing surface
1-22
MATERI AL
Mu l ti-purpose grease
locking agent
l ocking agent
(Pro Honda
Hondalock 3
or equivalent high
strength locking agent)
liquid sealant
REMARK S
Coating width: 4.5 ± 1.0 mm
(0.18 ± 0.04 in) from tip
Coating width: 4.5 ± 1.0 mm
(0.18 ± 0.04 in) from tip
Coating width: 6.5 ± 1.0 mm
(0.26 ± 0.04 in) from tip
Coating width: 6.5 ± 1.0 mm
(0.26 ± 0.04 in) from tip
Coating width: 6.5 ± 1.0 mm
(0.26 ± 0.04 in) from tip
Coating width: 6.5 ± 1.0 mm
(0.26 ± 0.04 in) from tip
Coating width: 6.5 ± 1.0 mm
(0.26 ± 0.04 in) from tip
Coating width: 6.5 ± 1.0 mm
(0.26 ± 0.04 in) from tip
Coating w idth: 6.5 ± 1.0 mm
(0.26 ± 0.04 in) from tip
•
•
•
•

Honda CRF450X 2008 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore and Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Transmission	5-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
Seat Height	37.6 inches
Fuel Capacity	1.9 gallons
Induction	Keihin 40mm carburetor
Ignition	CD with electronic advance
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment; 12.4 inches travel
Trail	4.6 inches