Honda CRF450X 2008 Service Manual

GENERAL INFORMATION
'.
AL TERNATOR
ITEM an
THREAD TORQUE
REMARKS
DIA . /mm) N'm (kgf 'm, Ibf·ft)
Flywheel nut 1 12
6416.5,471
NOTE 1
Ignition pulse ge nerator mounting bolt 2
5
5.2 (0.5, 3.8)
NOTE 2
Stator mounting bolt 3 5 4.7 !O.5, 3.5)
NOT E 2
CRANKCASE/ CRANKSHAFT/TRANSMISSION/ BALANCER
ITEM a'TV
THREAD TORQUE
REMARKS
DIA .( mm)
N'm (kgf'm , Ibf.ft)
Crankshaft bearing se t plate to rx 1'05
'07)
2 6
10 (1.0, 7)
NOT E 10
screw
(After '07)
2 6 20 (2.0, 1 5) NOTE 10
•
Countershaft bearing set plate screw 2 6 10 ( 1. 0, 7) NOTE 2
Gearshift drum bearing set plate bolt 2 6
10 (l O, 7)
NOTE 2
Mainshaft
bea ring set plate bolt
2 6 10 (1.0, 7)
NOTE 2
Balancer shaft bearing set plate bolt 2 6 10 (to, 7)
NOTE 2
Balancer shaft nut 1 14 44 (4.5, 32)
NOTE 1
Cam chain tensioner bolt 1 6 12 (1.2. 9)
NOTE 2
IGNITION SYSTEM
ITEM a ' TV
THREAD TORQUE
REMARKS
DIA. (mm)
N'm (kgf'm,
IbUt)
Timing hole cap
1 14
10 (lO, 7)
NOTE 7
ELECTRIC STARTER
ITEM
a ' TV
THREAD
TORQUE
REMARKS
DIA.(mm)
N'm (kgf'm, Ibf.ft)
Starter motor case bolt
2 4
3.4 (0.3, 2. 5)
•
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1- 16
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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