Honda CRF450R User Manual

Torque Specifications
146 Technical Information
Item
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
FRAME
Front brake master
cylinder holder bolts
Brake hose bolts
Front brake caliper
mounting bolts
Front brake disc nuts
Rear brake disc nuts
Brake pedal pivot bolt
Spokes
Rim locks
Drive chain roller
Subframe bolts
Fork center bolt
Fork center bolt lock nut
Disc cover bolts
Fork protector bolts
Muffler mounting
bolts
Muffler clamp bolt
Sprocket nuts
Seat mounting bolts
Front brake reservoir
cap screws
Rear brake reservoir
cap bolts
Fork air pressure release
screw
Torque
Remarks
lbf
•
ft N
•
m kgf
•
m
7.3
25
22
12
12
23
2.7
2.7
9
9
9
22
36
51
16
10
5.2
15
15
15
24
19
0.7
0.7
0.9
9.9
34
30
16
16
31
3.68
3.7
12
12
12
30
49
69
22
13
7
21
21
21
32
26
1.0
1.0
1.2
1.0
3.5
3.1
1.6
1.6
3.2
0.4
0.4
1.2
1.2
1.2
3.1
5.0
7.0
2.2
1.3
0.7
2.1
2.1
2.1
3.3
2.7
0.1
0.1
0.12
NOTE 4
NOTE 1
NOTE 1
NOTE 5
NOTE 1
NOTE 4
NOTE 1
1. U-nut.
2. UBS nut.
3. Apply oil to the threads and flange surface.
4. Alock bolt.
5. SH bolt
NOTES:
(front)
(rear)
(upper)
(Iower)
(upper)
(Iower)
(front)
(rear)
Frame
(40)
(29)
(37)
(36)
(26)
(28)
(22)
(30)
(31)
(26)
(23)
(32)
(34) (37)
(29)
(20)
(38)
(21)
(40)
(33)
(27)
(30)
(31)
(35)
(34)
(25)
(39)
(27)
(24)

Honda CRF450R Specifications

General

Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	13.5:1
Fuel System	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Ignition	Full transistorized ignition
Starter	Electric
Transmission	5-speed
Front Suspension	49mm inverted Showa coil-spring fork with rebound and compression damping adjustability; 12.2 inches travel
Front Brake	Single 260mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-19
Final Drive	Chain
Rear Suspension	Showa single shock with Pro-Link; rebound and compression damping adjustability; 12.4 inches travel