Yamaha VK540EF, Service Manual, Page: 386 / 439

8-13
MAINTENANCE SPECIFICATIONS
SPEC
TIGHTENING TORQUE
Part to be tightened
Tightening torque
Remarks Part to be tightened
Nm m
S
kg ft
S
lb
Remarks
Crankcase (First)
(Final)
Front engine mount bolt (left)
Front engine mount bolt (right)
Rear engine mount bolt
Cylinder head
(First)
(Final)
Cylinder
Exhaust pipe and cylinder
Carburetor joint and cylinder
Reed valve
Spark plug
Cooling fan driven pulley nut
CDI magneto and crankshaft
Recoil starter case
Recoil starter drive plate
Recoil starter pulley
Throttle cable locknut
Carburetor
Main nozzle
Main jet
Pilot jet
Valve seat
Float chamber cover
Starter plunger cap
Primary sheave (First)
(Final)
Roller (primary sheave)
Weight (primary sheave)
Primary sheave cap
Spider
Secondary sheave
Secondary shaft (jackshaft) bearing housing
Shift rod and shift link lever
Drive chain housing and frame
Drive chain housing
Drive chain housing oil drain bolt
Driven sprocket
Brake caliper and drive chain housing
Brake caliper end cover
Brake caliper stationary cover
Speedometer gear and frame
Front axle
Steering bearing holder (nut)
13
21
103
53
53
13
25
25
30
14
1
20
43
85
10
10
23
0.8
3
2
0.8
5
9
3.5
120
60
6
6
14
200
60
21
10
21
10
10
100
48
2
9
21
85
19
1.3
2.1
10.3
5.3
5.3
1.3
2.5
2.5
3.0
1.4
0.1
2.0
4.3
8.5
1.0
1.0
2.3
0.08
0.3
0.2
0.08
0.5
0.9
0.35
12.0
6.0
0.6
0.6
1.4
20
6.0
2.1
1.0
2.1
1.0
1.0
10
4.8
0.2
0.9
2.1
8.5
1.9
9.4
15
74
38
38
9.4
18
18
22
10
0.7
14
31
61
7.2
7.2
17
0.58
2.2
1.4
0.58
3.6
6.5
2.53
85
43
4.3
4.3
10
145
43
15
7.2
15
7.2
7.2
72
34.7
1.4
6.5
15
61
14
Tighten the bolts in two
stages.
Tighten the bolts in two
stages.
Apply LOCTITE

Tighten the bolts in two
stages. See NOTE.
Left-hand thread