Honda CRF450R 2007 Service Manual

GENERAL INFORMATION
FR O NT WHEEU SUSPENSION /$ TE ERING
ITEM
Q'TY
THREAD TORQU E
REMAR KS
DIA. ( mm )
N 'm (kgf 'm, Ibf · ft )
Front axle nut 1 16 88 (9.0. 65)
Front axle holder bolt 4
8
20 (2.0. 15)
Front spoke
36
BC3.5 3.68 (0 .4, 2.71
Front rim lock
1
8 12 (1.2. 9)
Front brake disc nut
6
6
16 (1.6,12) NOTE 4
Steering stem nut
1
26
108 '11.0, 80)
Steering stem adjusting nut 1 30 See page 14·51
Fork t op bridge pinch b olt 4 8 22 (2.2. 16)
Fork bonom bridge pinch bolt
4
8
20 (2.0, 15)
Fork cap
2
39 30 (3. 1, 22)
Fork
cen ter bolt
2
22
69 (7.0, 51)
Fork center bolt lock nut
2
12 22 (2.2, 16)
Pressu re release
screw 2 5
1 .2 (0. 1, 0.9)
Fork damper 2 50
34 (3.5, 25)
Fork protector mounting bolt
6
6 7 (0.7, 5.2) NOTE 2
Front brake disc cover bolt 2 6
13 (1.3,10)
Handlebar upper holder bolt 4 B
22 (2.2, 16)
Handle bar lower holder nut
2
10 44 (4.5, 32) NOTE 4
Clutch lever
pivot bolt 1 6 See page 14 -52 NOTE 6
Clutch lever pivot nut 1 6
10 (1.0, 7)
NOTE 4
Engine st
op button screw 1 4
1.5 (0.2, 1.1 )
Engine starter switch hou sing sc r ew 2 4
1.15 (0.1,0.8)
Thronle bolt (t hronle si de ) 1 6
4 (0. 4, 3.0)
Tripmeter cable cl amp screw 2 4
0.7 (0.1, 0.5)
Steering damper mounting bolt (After '07) 2 7
20 (2.0, 15) NOTE 2
REAR WHEEL/SUSPENSION
ITEM
a 'TY
THREAD
TORQUE
REMARKS
DIA . ( mm J N'm (k gf' m, IbUt )
Rear axle nut 1
22 1 28\13. 1, 94)
NOTE 4
Rear s
pok e 32
4.5
3.7 (0.4, 2. 7)
Rear
rim lock 1 8
12 (1.2, 9)
Rear brake disc nut 6
6
16 ( 1.6 , 12 ) NOTE 4
Driven sprocket
nut 6 8
32 (3.3, 24)
NOTE 4
Rear wheel
bearing retainer
1 50
44 (4.5, 32)
Swingarm pivot nut 1
14
88 (9.0, 65) NOTE 4
Shock arm nut
(swingarm side)
1
12 53 (5.4, 39)
NOTE 1,4
(sho ck link side) 1
12
53 (5.4, 39)
NOTE 1,4
Shock l ink nut ( frame side) 1
12
53 (5.4, 39)
NOTE 1,4
Shodc absorber upper mounting n ut 1
10
44 (4 .5, 32) NOTE 4
Shodc
absorber lower mo unting nut 1
10 44 (4.5, 32)
NOTE 4
Shodc
absorber spring lock nut 1
60 44 (4.5. 32)
Orive chain slider screw
3 5
4.2 (0.4. 3. 1) NOTE 2
Drive chain r
olle r bolt 1 B
12 (1.2. 9)
Drive chain roller nut 1
6
12 ( 1.2 .9) NOTE 4
Drive chain guide mo unti ng bolVnut 2 6
12 ( 1.2 . 9) NOTE 4
Drive chain adjuster lock nut 2 8
27 (2.8, 20) NOTE 8
Shock absorber damper rod end nut 1
12
37 (3.8, 27) NOTE 3
Shock absorber compression damp ing adjuster 1
27
29 (3.0. 21) NOTE 3
left step bracket mo unting
(u pper) 1 12
55 (5 . 6, 41)
bolt
(lower) 1 8
30 (3. 1. 22)
1-19

Honda CRF450R 2007 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Transmission	5-speed
Final Drive	#520 chain; 13T/48T
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	110/90-19
Wheelbase	58.3 inches
Seat Height	37.6 inches
Fuel Capacity	1.9 gallons
Induction	Keihin 40mm carburetor
Ignition	CDI
Rear Suspension	Pro-Link Showa single shock with spring preload, 17-position rebound damping adjustability, and compression damping adjustment
Trail	4.6 inches