Yamaha WR426F(N) Owner's Service Manual page 89

MAINTENANCE SPECIFICATIONS (WR426F)
Part to be tightened
Rear brake hose union bolt (master cylinder)
Rear wheel axle and nut
Driven sprocket and wheel hub
Nipple (spoke)
Disc cover and rear brake caliper
Protector and rear brake caliper
Engine mounting:
Engine bracket and frame
Engine and frame (front)
Engine and frame (upper)
Engine and frame (lower)
Engine guard (left and right)
Pivot shaft and nut
Relay arm and swingarm
Relay arm and connecting rod
Connecting rod and frame
Rear shock absorber and frame
Rear shock absorber and relay arm
Rear frame and frame
Swingarm and brake hose holder
Drive chain tensioner mounting
Chain support and swingarm
Seal guard and swingarm
Fuel tank mounting
Fuel tank and fuel cock
Fuel tank and seat set bracket
Fuel tank and hooking screw (fitting band)
Fuel tank and fuel tank bracket
Seat mounting
Side cover mounting
Air scoop and fuel tank
Air scoop and radiator panel (lower)
Front fender mounting
Rear fender mounting
Headlight stay (under) and under bracket
Headlight
Tail light
Tail light lead clamp and rear fender
Coolant reservoir tank
Sidestand bracket and frame
Sidestand mounting
NOTE:
- marked portion shall be checked for torque tightening after break-in or before each race.
Thread size Q'ty
M10 1.25 1
M20 1.5 1
M8 1.25 6
— 72
M6 1.0 2
M6 1.0 2
M8 1.25 7
M10 1.25 1
M10 1.25 1
M10 1.25 1
M8 1.25 2
M16 1.5 1
M14 1.5 1
M14 1.5 1
M14 1.5 1
M10 1.25 1
M10 1.25 1
M8 1.25 3
M5 — 4
M8 1.25 2
M6 1.0 3
M5 0.8 4
M6 1.0 2
M6 1.0 2
M6 1.0 1
M6 1.0 1
M6 1.0 4
M8 1.25 2
M6 1.0 2
M6 1.0 4
M6 1.0 2
M6 1.0 4
M6 1.0 4
M6 1.0 2
M6 1.0 3
M6 1.0 3
M4 1.59 2
M6 1.0 2
M10 1.25 2
M10 1.25 1
2 - 16
SPEC
Tightening torque
Nm m·kg ft·lb
30 3.0
125 12.5
42 4.2
3 0.3 2.2
7 0.7 5.1
7 0.7 5.1
34 3.4
69 6.9
55 5.5
69 6.9
23 2.3
85 8.5
80 8.0
80 8.0
80 8.0
56 5.6
53 5.3
29 2.9
4 0.4 2.9
19 1.9
7 0.7 5.1
6 0.6 4.3
10 1.0 7.2
7 0.7 5.1
7 0.7 5.1
7 0.7 5.1
7 0.7 5.1
23 2.3
7 0.7 5.1
4 0.4 2.9
4 0.4 2.9
7 0.7 5.1
7 0.7 5.1
7 0.7 5.1
7 0.7 5.1
4 0.4 2.9
1 0.1 0.7
7 0.7 5.1
64 6.4
64 6.4
22
90
30
24
50
40
50
17
61
58
58
58
40
38
21
13
17
46
46