www.jawamoped.com
LIGHTWEIGHT SCOOTER
JAWA 50, Types-20, 21, 23, 23 A
SPECIFICATION AND OPERATOR'S
MANUAL
Cylinder capacity
49.9 c. c.
Maximum power output 3.5 HP at 6,500 r. p. m.
Manufacturers
Povazske strojarne,
Povazska Bystrica
Exporters
MOTOKOV•PRAHA•CSSR
The JAWA 50, model 20 Lightweight scooter you
have just acquired is the result of many years of
development of the well known JAWA 50, model
550, 555 and J-05 motorcycle.
The experience gained with the previous models
has been applied to the design of the scooter and
many new features introduced.
Modern design, higher engine power, improved
suspension and perfect weather protection, provide
reliable and comfortable riding as well as easy
handling.
This Manual will help you to become acquainted
with your mount and to acquire the necessary
knowledge of its components and their operation.
It will advise you on maintenance and now to
remedy minor defects. In your own interest rely on
the Manual for information; you will thus avoid
possible damage to your machine.
Accept our best wishes for many thousands of
pleasant and joyful miles with your new scooter.
Povazské strojárne,
National Corporation,
Povazská Bystrica
IMPORTANT
The right to alter the design as a result of further
development of the machine regardless of the
illustrations and description in the Manual is
reserved.
INDEX
I Technical data and riding instructions
7
1 Technical data
7
2 Running in a new machine
8
3. Riding instructions
13
4. List of tools
18
II. Maintenance
18
1. Cleaning the scooter
18
2. Lubricating the scooter
19
3. Adjusting the brakes
25
4. Tyres
26
5. Adjusting the chain
28
6. The clutch and its adjusting
29
7. The ,,JIKOV" 2917 PSb carburettor
31
8. Electrical equipment maintenance
33
9. Headlamp adjustment
34
10. Decarbonisation
35
11. Scooter maintenance table
37
III. Dismantling and assembling without
special tools
40
1. Removing the front wheel
40
2. Removing the rear wheel
40
3. Replacing the wheel ball bearings
43
4. Replacing the chain wheel ball bearing
45
5. Tipping up the seat
44
6. Dismantling and assembling the cowls
45
7. Removing and replacing cylinder barrel 46
8. Replacing the piston rings
47
9. Dismantling the headlamp
48
10. Dismantling the front fork
50
11. Pivoted rear fork
51
12. Replacing the speedometer flexible shaft 51
13. Replacing the throttle cable
53
14. Replacing the clutch cable
54
15. Replacing the brake cable
55
16. Removing the engine from the frame
55
IV. Jawa 50 — type 21, Sports
59
V. Jawa 50 — types 23 and 23A Mustang 61
VI. Detects, causes and remedies
63
1 of 18
JAWA 50 type 20,21,23,23A owners handbook pages 1 to 5
jkw
