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SERVICING AND MAINTENANCE INSTRUCTIONS
Cylinder capacity
Engine output
Maker
Exporter
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.
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.
4. Luggage carrier.
5. Bag with tools.
7. Suction filter. 8. Fuel tank. 9. Fuel tank plug.
10. Handlebars.
11. Headlamp.
13. Front fork. 14. Front mudguard. 15. Rear
wheel. 16. Exhaust silencer. 17. Chain of engine.
18. Pedals.
19. Chain of pedals.
21. Engine disengaging.
cowl). 23. Exhaust knee piece.
25. Spark plug with cable shoe.
Page 1
Ultra - Lightweight Motorcycle - type 28
49 cm3
1,5 HP at 4500 r. p. m.
Považské strojárne,
Považská Bystrica
Motokov - Prague - CSSR
Považskè strojárne
Považská Bystrica
3. Pump.
6. Seat.
12. Frame.
20. Stand
22. Alternator (under
24. Engine.
26. Front wheel.
Babetta type 28 owners handbook pages 1 to 7
www.jawamoped.com
Table of Contents
I.
Technical Data
II.
Control elements and their servicing
III.
IV.
Maintenance And Adjustment of vehicle 18
V.
VI.
VII.
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
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)
6
9
11
38
39
44
handle bars
jkw
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Summary of Contents for JAWA babetta 28
- Page 1 www.jawamoped.com SERVICING AND MAINTENANCE INSTRUCTIONS Ultra - Lightweight Motorcycle - type 28 49 cm3 Cylinder capacity Engine output 1,5 HP at 4500 r. p. m. Považské strojárne, Maker Považská Bystrica Motokov - Prague - CSSR Exporter Table of Contents The moped is the motor vehicle having a very simple service and maintenance due to its Technical Data automatic clutch and one-stage gear box.
- Page 2 www.jawamoped.com VEHICLE CONTROL ELEMENTS Running-in new motorcycle Thoroughly run-in new moped influences its The moped is easy to operate and for its output, consumption and service life. Take into servicing: consideration the following instructions when Are required the following elements only: running-in: a) Throttle twist grip (1, fig.
- Page 3 www.jawamoped.com Starting the cold engine during the summer The start itself is effected as under point a) (with period that difference the gas grip is rotated to ¾ of range a) start on stand: this is made in such a way the - the air valve should not open).
- Page 4 www.jawamoped.com bottom part (2, fig.11). After discharging the oil it is suitable to wash the gear box by the rinse oil. Fill the new gear oil through the filling hole 1 up to control orifice 3. From time to time check the oil level in the gear box and refill if required.
- Page 5 www.jawamoped.com VEHICLE MAINTENANCE SURVEY After driving first 800 km (500 miles) - change the oil in the gear box - adjust and clean the carburetter - tighten the cylinder head nuts - tighten the seat nuts - adjust and grease the chain - adjust the brakes first 1500-2000 km (930-1300 (miles) - decarbonize the exhaust silencer and exhaust...
- Page 6 www.jawamoped.com Adjustment of chains The chain of the engine is adjusted after loosening the nut of rear axle (3 fig.16). By tightening the nuts of chain tightener (2) on both sides of frame tighten the chain so it has the clearance of abt. 10mm after the compression.
- Page 7 www.jawamoped.com Ignition moped equiped with contactless V. TOOLS semiconductor ignition which does not require any servicing and maintenance except the temporary The tools are accomodated in the bag arranged cleaning of plug and the failure may take place under the seat. The content is: only due to the not qualified intervention by the combined spanner user.
- Page 8 www.jawamoped.com VI. DEFECTS AND THEIR REMEDIES Discovered failure Remedy Engine overheats. Wait till the engine is cooled do not run at high speed. Plug electrodes are overheated, the faulty Change the plug. plug (not corresponding thermal value). Too much carbon in the cylinder head and Remove the head and dismantle the exhaust, remove in the exhaust duct.