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SERVICING AND MAINTENANCE INSTRUCTIONS

Ultra - Lightweight Motorcycle - type 28

Cylinder capacity

49 cm3

Engine output

1,5 HP at 4500 r. p. m.

Maker

Považské strojárne,

Považská Bystrica

Exporter

Motokov - Prague - CSSR

The moped is the motor vehicle having a very
simple service and maintenance due to its
automatic clutch and one-stage gear box. Despite
of this the careful study of this booklet is
recommended to your before its use in order to get
acquainted with its servicing and maintenance.
Thus many failures will be avoided and the moped
will serve you to your full satisfaction.

Much pleasure and many satisfied kilometers
with the moped.

       Považskè strojárne
       Považská Bystrica

All rights of design alteration resulting from the
moped development, as far the illustrations and
the description given in this booklet are given, are
reserved.

Fig. 1. Babetta Moped – Main Parts

1. Tail lamp     2. Rear mud guard.     3. Pump.
4. Luggage carrier.   5. Bag with tools.   6. Seat.
7. Suction filter.   8. Fuel tank.   9. Fuel tank plug.
10. Handlebars.   11. Headlamp.    12. Frame.
13. Front fork. 14. Front mudguard. 15. Rear
wheel. 16. Exhaust silencer.   17. Chain of engine.
18. Pedals.    19. Chain of pedals.    20. Stand
21. Engine disengaging.   22. Alternator (under
cowl). 23. Exhaust knee piece.     24. Engine.
25. Spark plug with cable shoe.     26. Front wheel.

Table of Contents

I.

Technical Data

6

II.

Control elements and their servicing

9

III.

Riding instructions

            11

IV.

Maintenance and adjustment of vehicle 18

V.

Tools

            38

VI.

Defects and their remedies

            39

VII.

Spare parts

            44

I. TECHNICAL 

DATA

Type of engine - two-stroke, air-cooled, single cylinder
Cylinder capacity - 49 cm3
Bore of cyl. x piston stroke - 39 x 41 mm (1.55 x 1.61")
Compression ratio - 1 : 6.5
Output - 1.5 HP, 4500 r. p. m.
Clutch - dry, automatic, centrifugal
Gear box - one stage
Overall gear ratio to rear wheel - 1 : 15.75
Ratio of pedals to rear wheel - 1 : 0.568
Starting - by means of pedals
Front springing - telescopic fork without shock absorber
Stroke of front springing - 60 mm (2.36")
Brakes - drum shoe brake operated by the levers on the

handle bars

Brake size – 85 X 20 mm (3.35 X 0.79")
Tyres – 23 X 2"
Inflation of tyres:  Front - 1.5 - 1.75 atm. eff.   

(24 psi)

Rear - 2 - 2.25 atm. eff.   

(30 psi)

Weight of vehicle - 42 kg (92.6 Ibs)
Carrying capacity - 90 kg (220 Ibs)
Velocity - Permanent - 35 km/hr. (32 m. p. h.)

Maximum - 40 km/hr. (25 m. p. h.)

Fuel tank capacity - 3 litres (res. 0.5)  2.64 Imp. pt. (0.88)
Maximum climbing ability - 10 %
Noise level - 73 dB
Lgnltlon - contactless, by means of semicoductors
Sparking plug - PAL 14-5 R
Headlight - 21 W, 6V
Rear light - 5 W, 6 V
Bell - smooth
Basic fuel consumption- 0.37 galls/62 miles (1.7/100 km)

by 16 miles/hour (27 km/hour)

Page 1

  Babetta type 28 owners handbook pages 1 to 7

            

jkw

Summary of Contents for babetta 28

Page 1: ...23 Exhaust knee piece 24 Engine 25 Spark plug with cable shoe 26 Front wheel Table of Contents I Technical Data 6 II Control elements and their servicing 9 III Riding instructions 11 IV Maintenance and adjustment of vehicle 18 V Tools 38 VI Defects and their remedies 39 VII Spare parts 44 I TECHNICAL DATA Type of engine two stroke air cooled single cylinder Cylinder capacity 49 cm3 Bore of cyl x p...

Page 2: ...deration the following instructions when running in a Drive mixture M2T oil with 80 octanes petrol be mixed in ratio 1 25 b This ratio keep during the running in 500 km abt with maximum opening half rotation of throttle twist grip speed abt 20 km hr c When longer drives we recommend to lubricate the engine by opening he throttle When riding downhill we do not recommend to throttle the gas but to u...

Page 3: ... to be kicked several times to loosen the individual mechanisms which stiffen due to the cold One can help out by depressing the decompressor lever The start itself is effected as under point a with that difference the gas grip is rotated to of range the air valve should not open The number of kickstarts increases proportionally to the sinking temperature of atmosphere The method of start under b ...

Page 4: ...illing and discharging oil screw 1 Filling hole screw 2 Discharge oil screw 3 Control hole Fig 10 Lubrication of vehicle Lubrication Table fig no 10 Fig Lubrication point Lubricant kind Notes 1 Engine oil for two stroke permanent lubrication engines SAE 30 M2 T Oil and petrol ratio 1 30 2 Gear box gear oil charge 0 02 galls 0 13 lt SAE 30 80 PP 80 3 Steering bearing grease wash and grease AV 2 whe...

Page 5: ...ted after loosening of nut A fig 12 The tightening of nut A is to be checked from time to time to avoid the tear of holder teeth The height of seat is adjusted after loosening of nut B This is able to be adjusted in the limits of 120 mm The height of handlebars may be adjusted after loosening of screw A and both nuts B fig 13 within the limits of 100 mm After adjustment of seat and handlebars the ...

Page 6: ...he clearance of the cable must have the prescribed value since at the tightened cable the burning through of decompressor valve would take place The decompressor does not function with the free cable Fig 19 Checking the decompressor adjustment Fig 20 Carburettor 1 Saturator pin 2 Mover stop screw 3 Regulating screw for richness of idle run mixture Carburettor Fig 20 When failure of carburettor we ...

Page 7: ... lower value rotate the stator in the direction of arrow D This operation is to be effected so till the value of advanced ignition of 1 1 5 mm is reached After adjustment tighten thoroughly all screws and check the correctness of adjustment again Fig 23 Adjustment of advanced ignition II V TOOLS The tools are accomodated in the bag arranged under the seat The content is combined spanner screwdrive...

Page 8: ...aulty Tranzimo unit or transistor only The cable is to be wound with insulating tape and changed as soon as possible change the terminal Change the cable shoe Change the Tranzimo unit or transistor only The carburettor and fuel supply faultless The plug is correct Engine has no compre ssion Broken piston ring Seized piston ring Sealing under the plug is leaky Seized piston Remove ring from the pis...

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