Yamaha YZ250T1 Owner's Service Manual page 38

Part to be tightened
Spark plug
Cylinder head (nut)
(stud)
Cylinder (nut)
(stud)
Power valve :
Holder
Link rod
Push rod
Thrust plate
Side holder
Link lever
Pulley
Cover
Governor fork
Housing
Impeller
Water pump housing cover
Coolant drain bolt
Radiator
Radiator panel
Radiator hose clamp
Air filter element
Carburetor joint
Air filter case
L
Air filter guide clamp
Reed valve
Throttle cable adjust bolt and locknut
Throttle cable
L
Exhaust pipe (front)
L Exhaust pipe (rear)
L Exhaust pipe stay (front)
L Exhaust pipe stay (rear)
L Silencer
Fiber (silencer)
Crankcase
Crankcase cover (left)
Chain cover
Crankcase cover (right)
Bearing plate cover (drive axle left)
Bearing plate cover (main axle right)
Holder
Oil drain bolt
Oil check bolt
Kick starter
Ratchet wheel stopper
Clutch cover
MAINTENANCE SPECIFICATIONS
Thread size
M14S × 1.25
M 8 × 1.25
M 8 × 1.25
M10 × 1.25
M10 × 1.25
M 5 × 0.8
M 5 × 0.8
M 5 × 0.8
M 5 × 0.8
M 5 × 0.8
M 4 × 0.7
M 4 × 0.7
M 5 × 0.8
M 4 × 0.7
M 5 × 0.8
M 8 × 1.25
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 5 × 0.8
M 3 × 0.5
M 8 × 1.25
M 6 × 0.75
M 6 × 1.0
M 6 × 1.0
M 8 × 1.25
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M 6 × 1.0
M12 × 1.5
M 6 × 1.0
M 8 × 1.25
M 6 × 1.0
M 6 × 1.0
2-5
SPEC
Tightening torque
Q'ty
Nm m•kg
1 20 2.0
6 25 2.5
6 13 1.3
4 42 4.2
4 13 1.3
2 6 0.6
2 6 0.6
1 5 0.5
1 6 0.6
4 4 0.4
1 4 0.4
2 4 0.4
4 4 0.4
2 5 0.5
4 5 0.5
1 14 1.4
4 10 1.0
1 10 1.0
6 10 1.0
2 10 1.0
8 1 0.1
1 2 0.2
5 10 1.0
4 8 0.8
1 1 0.1
4 1 0.1
1 7 0.7
1 4 0.4
1 14 1.4
1 12 1.2
1 25 2.5
1 12 1.2
2 12 1.2
2 10 1.0
11 14 1.4
5 8 0.8
2 8 0.8
9 10 1.0
2 10 1.0
2 10 1.0
2 10 1.0
1 20 2.0
1 10 1.0
1 30 3.0
2 10 1.0
6 10 1.0
ft•lb
14
18
9.4
30
9.4
4.3
4.3
3.6
4.3
2.9
2.9
2.9
2.9
3.6
3.6
10
7.2
7.2
7.2
7.2
0.7
1.4
7.2
5.8
0.7
0.7
5.1
2.9
10
8.7
18
8.7
8.7
7.2
10
5.8
5.8
7.2
7.2
7.2
7.2
14
7.2
22
7.2
7.2