Yamaha WR450F Supplementary Owner's Service Manual - Spec
SPEC
MAINTENANCE SPECIFICATIONS
8
TIGHTENING TORQUES
Tightening
Part to be tightened
Thread
torque
Remarks
size
N
·
m
m
·
kg
Carburetor drain plug screw
M6 x 0.75
2.5
0.25
Engine guards (3, 4) and frame
M8 x 1.25
23
2.3
Frame and rear frame (upper)
M8 x 1.25
32
3.2
Frame and rear frame (under)
M8 x 1.25
29
2.9
Muffler (rear) and frame
M8 x 1.25
35
3.5
Muffler (middle) and frame
M8 x 1.25
35
3.5
Muffler band/exhaust pipe
M8 x 1.25
16
1.6
Nut pivot shaft and frame
M16 x 1.5
88
8.8
Add Loctite® 243
Screw and nut pivot shaft
M6 x 1.0
14
1.4
Add Loctite® 243
Rear shock absorber upper and frame
M10 x 1.25
55
5.5
Rear shock absorber (lower) and arm relay
M10 x 1.25
55
5.5
Front fork handle crown and inner tube
M8 x 1.25
20
2.0
Front fork under bracket and inner tube
M8 x 1.25
12
1.2
Bracket meter bolt and handle crown
M6 x 1.0
7
0.7
Protector guide compl. screw and outer tube
M5 x 0.8
2 max
0.2 max
Front fork protector bolt and bottom front fork
M6 x 1.0
10
1.0
Pitch bolt and bottom front fork
M8 x 1.25
20
2.0
Front fork protector screw (upper)
and front fork protector
M5 x 0.8
2 max
0.2 max Add Loctite® 243
Front fork protector screw (middle)
and front fork protector
M5 x 0.8
2 max
0.2 max Add Loctite® 243
Front fork protector screw (lower)
and front fork protector
M5 x 0.8
2 max
0.2 max Add Loctite® 243
on the
screw/spacer
Front fender and under bracket
M6 x 1.0
7
0.7
Side covers (lower) and frame
M6 x 1.0
7
0.7
Side covers (front) and panel radiator (lower)
M6 x 1.0
6
0.6
Side covers (front) and fuel tank/radiator
M6 x 1.0
6
0.6
Single seat assy and frame
M8 x 1.25
23
2.3
Upper handle holder and handle crown
M8 x 1.25
28
2.8
Steering damper assy and upper handle holder
M6 x 1.0
12
1.2
Add Loctite® 542
Bracket steering 1 (steering damper system)
and bracket steering 2
M5 x 0.8
7
0.7
Add Loctite® 542
L=12 mm, L=16 mm
Front wheel shaft and front fork
M16 x 1.5
105
10.5
Front caliper and front fork
M8 x 1.25
23
2.3
Clamp hose brake and front fork
M6 x 1.0
10
1.0
Cover hose brake and nut axle front
M8 x 1.25
16
1.6
Cover hose brake and front fork
M6 x 1.0
7
0.7
Screw throttle grip
M5 x 0.8
4
0.4
Master cylinder and handlebar
M6 x 1.0
9
0.9
Body cowling (upper) and stay 1/bracket main switch
M6 x 1.0
10
1.0
Headlight (lower) and headlight stay 2
M6 x 1.0
7
0.7
Switches handle and handlebar
M3 x 0.5
0.6 max 0.06 max
Clutch holder lever
M5 x 0.8
4
0.4
Bracket 1 (hydraulic drive unit assy)
and fuel tank damper holder
M6 x 1.0
10
1.0
Bracket 2 (hydraulic drive unit assy) and cylinder
M6 x 1.0
10
1.0
Hydraulic drive unit assy and engine crankcase (LH)
M6 x 1.0
10
1.0
Add Loctite® 243