Yamaha TZ250M1 Owner's Service Manual page 42

Part to be tightened
Spark plug
Cylinder head (bolt)
Cylinder (nut)
(stud)
Power valve:
Cover
Holder (power valve)
Pulley
Cable stay
Air bleed bolt (cylinder)
Balance weight gear
Water pump housing cover
Radiator
Radiator and thermo unit
Radiator hose clamp
Oil pump cover
Oil strainer
Carburetor joint
Clamp (carburetor joint)
Reed valve
Mixing chamber top
Exhaust pipe
Silencer
Crankcase
Crankcase
Transmission housing
Oil check bolt
Oil drain bolt
Crankcase cover (right)
Crankcase cover (left)
Primary drive gear
Clutch boss
Clutch spring
Push rod adjuster
Seat plate (push lever)
Clutch cable holder
Bearing plate cover
Oil seal plate cover
Drive sprocket
Bearing plate cover (shift cam)
Segment
Shift guide
Shift lever adjuster and locknut
Stopper bolt (torsion spring)
Shift arm
Joint rod 1 and shift rod
MAINTENANCE SPECIFICATIONS
Thread size
M14S X 1.25
M 6 X 1.0
M 8 X 1.25
M 8 X 1.25
M 5 X 0.8
M 5 X 0.8
M 5 X 0.8
M 5 X 0.8
M 6 X 1.0
M14 X 1.0
M 6 X 1.0
M 6 X 1.0
M16 X 1.5
–
M 5 X 0.8
M 6 X 1.0
M 6 X 1.0
M 4 X 0.7
M 3 X 0.5
M 4 X 0.7
M 8 X 1.25
M 6 X 1.0
M 8 X 1.25
M 6 X 1.0
M 6 X 1.0
M 6 X 1.0
M12 X 1.25
M 6 X 1.0
M 6 X 1.0
M10 X 1.25
M20 X 1.0
M 6 X 1.0
M 6 X 1.0
M 5 X 0.8
M 6 X 1.0
M 6 X 1.0
M 5 X 0.8
M20 X 1.0
M 5 X 0.8
M 8 X 1.25
M 6 X 1.0
M 6 X 1.0
M 8 X 1.25
M 6 X 1.0
M 6 X 1.0
2-5
SPEC
Tightening torque
Q'ty
Nm mdkg
2 19 1.9
12 11 1.1
8 20 2.0
8 15 1.5
8 4 0.4
2 9 0.9
2 4 0.4
4 7 0.7
2 12 1.2
1 50 5.0
5 11 1.1
3 7 0.7
1 11 1.1
6 2 0.2
3 8 0.8
4 7 0.7
9 11 1.1
2 2 0.2
12 1 0.1
2 2 0.2
2 21 2.1
4 11 1.1
6
Refer to NOTE
8
6 16 1.6
1 9 0.9
1 23 2.3
10 11 1.1
3 11 1.1
1 55 5.5
1 75 7.5
6 9 0.9
1 6 0.6
1 7 0.7
2 8 0.8
3 10 1.0
2 7 0.7
1 75 7.5
1 4 0.4
1 23 2.3
2 11 1.1
1 9 0.9
1 8 0.8
1 14 1.4
1 9 0.9
ftdlb
13
8.0
14
11
2.9
6.5
2.9
5.1
8.7
36
8.0
5.1
8.0
1.4
5.8
5.1
8.0
1.4
0.7
1.4
15
8.0
11
6.5
17
8.0
8.0
40
54
6.5
4.3
5.1
5.8
7.2
5.1
54
2.9
17
8.0
6.5
5.8
10
6.5