Tightening torque
(Unit: m-kg)
|
Part to be tightened |
Part name |
Thread size |
Q'ty |
Tightening torque |
Remarks |
||
|
m-kg |
ft-lb |
||||||
|
ENGINE: |
|||||||
|
Cylinder head |
Nut |
M10 P1.25 |
12 |
3.2 |
23.1 |
Apply oil. |
|
|
Cylinder head cover |
Bolt |
M6 P1.0 |
20 |
1.0 |
7.2 |
|
|
|
Spark plug |
— |
|
4 |
2.0 |
14.5 |
|
|
|
Cylinder |
Nut |
M8 P1.25 |
2 |
2.0 |
14.5 |
Cam chain case Front & Rear |
|
|
Cam shaft cap |
Bolt |
M6 P1.0 |
20 |
1.0 |
7.2 |
Tighten in 3-stages. |
|
|
Cam sprocket |
Bolt |
M7 P1.0 |
4 |
2.0 |
14.5 |
|
|
|
Cam chain tensioner adjustment lock nut |
Nut |
M8 P1.25 |
1 |
0.9 |
6.5 |
|
|
|
Cam chain tensioner adjustment lock bolt |
Bolt |
M6 P1.0 |
1 |
0.6 |
4.3 |
|
|
|
Connecting rod |
Nut |
M7 P0.75 |
8 |
2.5 |
18.1 |
|
|
|
Generator (rotor) |
Bolt |
M10 P1.25 |
1 |
5.5 |
39.8 |
|
|
|
Drain plug |
Bolt |
M14 P1.5 M8 P1.25 |
1 1 |
4.3 1.6 |
31.0 11.6 |
Crankcase drain Middle gear case drain |
|
|
Oil filter |
Bolt |
M20 P1.5 |
1 |
1.5 |
11.0 |
|
|
|
Pump cover |
Screw |
M6 P1.0 |
|
0.7 |
5.1 |
|
|
|
Strainer cover |
Bolt |
M6 P1.0 |
13 |
1.0 |
7.2 |
|
|
|
Crankcase |
Flange Bolt |
M8 P1.25 M6 P1.0 |
12 27 |
2.4 1.2 |
17.5 8.7 |
|
|
|
Clutch boss |
Nut |
M20 P1.0 |
1 |
7.2 |
52.0 |
|
|
|
Clutch spring screw |
Bolt |
M6 P1.0 |
5 |
1.0 |
7.2 |
|
|
|
Change pedal |
Bolt |
M6 P1.0 |
1 |
1.0 |
7.2 |
|
|
|
Neutral switch |
— |
M10 P1.25 |
1 |
2.0 |
14.5 |
|
|
|
Exhaust pipe |
Nut |
M6 P1.0 |
8 |
1.0 |
7.2 |
|
|
|
SHAFT DRIVE: |
|||||||
|
—Middle Gear — |
|
|
|
|
|
|
|
|
Drive Shaft |
Nut |
M34 P1.5 |
1 |
11 |
80.0 |
Stake. |
|
|
Mount cover |
Screw |
M8 P1.25 |
4 |
2.5 |
18.1 |
Stake. |
|
|
Driven shaft |
Nut |
M14 P1.5 |
1 |
12 |
87.0 |
Use LOCKTITE: Stake. |
|
|
Bearing cap |
Flange Bolt |
M8 PI.25 |
4 |
2.5 |
18.1 |
|
|
|
- Final Gear — |
|||||||
|
Drive shaft |
Nut |
M14 P1.5 |
1 |
11 |
80.0 |
|
|
|
Bearing housing |
Flange Bolt |
M10 P1.25 |
2 |
2.3 |
16.6 |
|
|
|
Bearing housing |
Nut |
M8 PI .25 |
6 |
2.3 |
16.6 |
|
|
|
Oil mount screw |
Plug |
M14 P1.5 |
1 |
2.3 |
16.6 |
|
|
|
Oil drain screw |
Plug |
M14 Pi .5 |
1 |
2.3 |
16.6 |
|
|
|
Bearing retainer |
— |
M65 P1.5 |
1 |
11 |
80.0 |
Left hand screw |
|
|
CHASSIS: |
|||||||
|
Engine Mounting Bolt |
Front, upper Rear |
Nut Bolt Nut |
M10 P1.25 M10 P1.25 M12 P1.25 |
1 2 1 |
4.2 4.2 7.0 |
30.4 30.4 50.6 |
|
|
Part to be tightened |
Part name |
Thread size |
Q'ty |
Tightening torque |
Remarks |
||
|
m-kg |
ft-lb |
||||||
|
Engine Mounting Stay |
Front |
Bolt |
M8 P1.25 |
4 |
2.0 |
14.5 |
|
|
Handle crown & Steering shaft |
Rolt Bolt |
M14 P1.25 M8 P1.25 |
1 1 |
5.4 2.0 |
39.1 14.5 |
|
|
|
Handle crown & Inner tube |
Nut cap |
M8 P1.25 |
1 |
2.0 |
14.5 |
|
|
|
Handle crown & Handle holder |
Bolt |
M8 P1.25 |
2 |
2.0 |
14.5 |
|
|
|
Front fork |
|||||||
|
Under bracket & Inner tube |
Bolt |
M8 P1.25 |
4 |
2.0 |
14.5 |
|
|
|
Front wheel shaft |
Nut Castle |
M14 P1.5 |
1 |
10.7 |
77.4 |
|
|
|
Front wheel Axle pinch bolt |
Nut self locking |
M8 P1.25 |
2 |
2.0 |
14.5 |
|
|
|
Pivot shaft |
Bolt |
M22 P1.5 |
1 |
0.55 |
4.0 |
Taper roller bearing |
|
|
Rear wheel shaft |
Nut castle |
M14 P1.5 |
1 |
10.7 |
77.4 |
|
|
|
Rear shock absorber (Upper) |
Nut cap |
M10 P1.25 |
2 |
3.0 |
21.7 |
|
|
|
Rear shock absorber (Lower) |
L Nut cap R Bolt |
M10 P1.25 |
2 |
3.0 |
21.7 |
|
|
|
Footrest |
Nut |
M10 P1.25 |
2 |
4.2 |
30.4 |
|
|
|
Tension bar & Brake plate |
Bolt |
M8 P1.25 |
1 |
2.0 |
14.5 |
|
|
|
Tension bar & Rear arm |
Bolt |
M8 P1.25 |
1 |
2.0 |
14.5 |
|
|
|
Camshaft lever & Camshaft |
Bolt |
M6 P1.0 |
1 |
0.9 |
6.5 |
|
|
|
Disc brake section |
|||||||
|
Brake disc & Hub (Front) |
Bolt |
M8 P1 .25 |
12 |
2.0 |
14.5 |
Lock washer |
|
|
Master cylinder & Brake hose (Front) |
Bolt union |
M10 P 1.25 |
1 |
2.6 |
18.8 |
|
|
|
Brake hose & Joint |
Bolt union |
M10 P1.25 |
1 |
2.6 |
18.8 |
|
|
|
Caliper & Brake hose |
Bolt union |
M10 P1.25 |
1 |
2.6 |
18.8 |
|
|
|
Caliper & Front fork (Front) |
|
M8 PI.25 |
1 |
2.6 |
18.8 |
|
|
|
Caliper bleed screw (Front) |
|
M8 P1.25 |
1 |
0.6 |
4.3 |
• |
|
|
Front fender |
Bolt |
M8 P1.25 |
4 |
1.0 |
7.2 |
|
|
|
Master cylinder cap |
Screw |
M5 P0.8 |
2 |
0.18 |
1.3 |
|
|
|
Pivot shaft |
Bolt |
M22 P1.5 |
1 |
10.0 |
72.3 |
Lock washer |
|
|
Final gear & Rear arm |
Nut |
M10 P1.25 |
4 |
4.2 |
30.4 |
|
|
|
Cross Joint |
Hexagon bolt with washer |
M8 P1.25 |
4 |
4.4 |
31.8 |
|
|
|
Muffler bracket & Frame |
Bolt |
M10 P1.25 |
3 |
4.3 |
31.1 |
|
|
|
Rear fender |
Bolt |
M10 P1.25 |
2 |
3.2 |
23.1 |
|
|
|
Muffler bracket & Muffler |
Bolt |
M10 P1.25 |
2 |
2.5 |
18.1 |
|
|
|
Master cylinder & Master cylinder bracket |
Bolt |
M6 P1.0 |
2 |
0.9 |
6.5 |
|
|
General Torque Specifications This chart specifies torque for standard fasteners with standard I.S.O. pitch threads. Torque specifications for special components or assemblies are included in the applicable sections of this book. To avoid warpage, tighten multi-fastener assemblies in a criss-cross fashion, in progressive stages, until full torque is reached. Unless otherwise specified, torque specifications call for clean, dry threads. Components should be at room temperature.
|
A (Nut) |
B (Bolt) |
General torque specifications |
|
|
m-kg |
ft-lb |
||
|
10 mm |
6 mm |
0.6 |
4.5 |
|
12 mm |
8 mm |
1.5 |
11 |
|
14 mm |
10 mm |
3.0 |
22 |
|
17 mm |
12 mm |
5.5 |
40 |
|
19 mm |
14 mm |
8.5 |
51 |
|
22 mm |
16 mm |
13.0 |
94 |
CONVERSION TABLES
|
METRIC TO INCH SYSTEM |
|||
|
|
KNOWN |
MULTIPLIER |
RESULT |
|
TORQUE |
m-kg |
7.233 |
ft-lb |
|
m-kg |
86.80 |
in-lb |
|
|
cm-kg |
0.0723 |
ft-lb |
|
|
cm-kg |
0.8680 |
in-lb |
|
|
WT. |
kg |
2.205 |
lb |
|
9 |
0.03527 |
oz |
|
|
FLOW / DISTAMCE |
km/lit |
2.352 |
mpg |
|
km/hr |
0.6214 |
mph |
|
|
km |
0.6214 |
mi |
|
|
m |
3.281 |
ft |
|
|
m |
1.094 |
yd |
|
|
cm |
0.3937 |
in |
|
|
mm |
0.03937 |
in |
|
| VOLUME/
CAPACITY |
cc (cm3) |
0.03382 |
oz (US liq) |
|
cc (cm ) |
0.06102 |
cu. m |
|
|
lit (liter) |
2.1134 |
pt (US liq) |
|
|
lit (liter) |
1.057 |
qt (US liq) |
|
|
lit (liter) |
0.2642 |
gal (US liq) |
|
| MISC. |
kg/mm |
56.0C7 |
lb/in |
|
kg/cm |
14.2234 |
psi (lb/in2) |
|
| Centigrade (°C) | 9/5(°C) + 32 | Fahrenheit (° F) | |
|
INCH TO METRIC SYSTEM |
|||
|
|
KNOWN |
MULTIPLIER |
RESULT |
| TORQUE |
ft-lb |
0.13826 |
m-kg |
|
in-lb |
0.01152 |
m-kg |
|
|
ft-lb |
13.831 |
cm-kg |
|
|
in-lb |
1.1521 |
cm-kg |
|
|
WT. |
lb |
0.4535 |
kg |
|
oz |
28.352 |
g |
|
| FLOW /
DISTANCE |
mpg |
0.4252 |
km/lit |
|
mph |
1.609 |
km/hr |
|
|
mi |
1.609 |
km |
|
|
ft |
0.3048 |
m |
|
|
yd |
0.9141 |
m |
|
|
in |
2.54 |
cm |
|
|
in |
25.4 |
mm |
|
|
VOLUME / CAPACITY |
oz (US liq) |
29.57 |
cc (cm ) |
|
cu.in |
16.387 |
cc "cm ) |
|
|
pt (US liq) |
0.4732 |
lit (liter) |
|
|
qt (US liq) |
0.9461 |
lit (liter) |
|
|
gal (US liq) |
3.785 |
lit (liter) |
|
|
MISC. |
lb/in |
0.017855 |
kg/mm |
|
psi (lb/in ) |
0.07031 |
kg/cm2 |
|
|
Fahrenheit (°C) |
5/9(°F-32) |
Centigrade (°F) |
|
|
DEFINITION OF TERMS: |
||
|
m-kg |
= |
Meter-kilogram(s) (usually torque) |
|
9 |
= |
Gram(s) |
|
kg |
= |
Kilogram(s) (1,000 grams) |
|
lit |
= |
Liter(s) |
|
km/lit |
= |
Kilometer(s) per liter (fuel consumption) |
|
cc |
= |
Cubic centimeter(s) (cm3) (volume or capacity) |
|
kg/mm |
= |
Kilogram(s) per millimeter (usually spring compression rate) |
|
kg/cm2 |
= |
Kilogram(s) per square centimeter (pressure) |
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