Yamaha XZ550 1982 User Manual

Q'ty 
Nm 
m • kg 
ft •lb 
Remarks
Thread
Size
Tightening torque
Front axle shaft  Nut 
M14 x1.5 
1  110  11.0 
80.0
Front fender Et front fork

Bolt 
M8 x1.25

4 
10
 1.0 
7.2
Under bracket pinch bolt  Bolt 
M12 x 1.25

2  38 
3.8  27.0
Handle crown pinch bolt  Bolt 
M8 x 1.25

4 
20

2.0

14.0
Steering shaft  Bolt
 M14 x 1.25 
1 
54 
5.4  39.0
Caliper glinder  Bolt 
M10 x 1.25

2  35 
3.5  25.0
Front axle shaft pinch bolt  Bolt  M8 x1.25

1  20  2.0

14.0
Handle & handlebar (center)

Bolt
 M8 x1.25

2  20  2.0 
14.0
(side)

Special

M6 x 1.0 
2  13

1.3
 9.4
bolt
Front fork cylinder securing bolt 
Bolt 
M8 x 1.25

2  26  2.6
 19.0 
Apply LOCTITE ®
Front brake hose

Union

M10 x1.25 
2 
26 
2.6

19.0
bolt
Caliper air bleed 
Screw 
M8 x 1.25

2 
6 
0.6
 4.3
Engine mounting crankcase  Bolt 
M10 x 1.25 
2  50 
5.0

37.0
center
crankcase 
Nut  M10 x1.25 
2 
48  4.8  35.0
rear upper
crankcase

Nut  M12 x 1.25 
2  70  7.0 
50.0
rear under
upper bracket  Bolt 
M8 x 1.25

2  20 
2.0

14.0
Down tube frame 
Bolt  M8 x1.25 
4 
26

2.6
 19.0
Rear shock absorber
 Bolt  M10 x 1.25 
1 
25

2.5 
18.0
Muffler bracket Et frame 
Bolt 
M10 x 1.25

4  42 
4.2
 30.0
Pivot shaft
 Bolt 
M16 x 1.5 
1  78

7.8 
56.0 
Use lock washer
Final gear case Et rear arm (side)

Nut 
M10 x 1.25

1  42

4.2

18.0
Nut 
M10 x 1.25

4  42
 4.2  18.0
Rear axle shaft 
Nut 
M14 x 1.5 
1  110  11.0 
80.0
Bracket sidestand
 Nut 
M10 x 1.25 
1  55 
5.5  40.0
Tension bar Et rear arm

Nut  M8 x 1.25 
1 
20  2.0

14.0
Tension bar Et brake shoe plate

Nut 
M8 x 1.25

1 
20

2.0

14.0
Master cylinder cap
 Screw 
M4 x 0.7 
4 
1 
0.1

0.7
Master cylinder bracket 
Bolt 
M6 x1.0

2  9  0.9

65.0
Rear fender frame  Bolt 
M8 x 1.25 
2  20

2.0

14.0
Muffler bracket Et passenger
 Nut  M10 x 1.25 
2 
42  4.2 
18.0
footrest
Grab bar (upper)

M6 x1.25

2 
11  1.1  8.0
(under) 
M8 x 1.25 
2  26 
2.6 
19.0

Yamaha XZ550 1982 Specifications

General

Year	1982
Manufacturer	Yamaha
Model	XZ550
Category	Motorcycle
Compression Ratio	10.0:1
Starting	Electric
Transmission	5-speed
Final Drive	Shaft
Front Suspension	Telescopic fork
Front Brake	Dual disc
Rear Brake	Single disc
Front Tire	100/90-18
Rear Tire	120/90-18
Engine Type	V-twin, four-stroke
Displacement	549 cc
Maximum Power	64 hp @ 9, 500 rpm
Maximum Torque	50 Nm @ 7500 rpm
Fuel System	Carburetor
Rear Suspension	Dual shock
Seat Height	790 mm