elements after checking the steel tab is not de-
formed and/or does not guarantee correct tight-
ness at its fitting; replace if necessary.
N.B.
UPON REFITTING, MAKE SURE TO CORRECTLY FIT THE
TAB IN ITS FITTING ON THE TWO PLASTIC AND ALUMI-
NIUM COVERS.
CAUTION
WHILE CARRYING OUT OPERATION 3), ALWAYS CHECK
THE TWO RUBBER COUPLINGS (3) ON ONE END OF THE
SECONDARY AIR PIPE FOR CORRECT TIGHTNESS AND
CONTINUITY; IF NECESSARY, REPLACE THEM AND USE
NEW CLAMPS TO FIX THEM.
Carburettor
50cc Version
Dell'Orto
DELLORTO CARBURETTOR
Specification
Desc./Quantity
Type
PHVA 17.5 RD
Diffuser diameter
Ø 17.5
Regulation reference number
8444
Maximum nozzle:
53
Maximum air nozzle (on the body):
Ø 1.5
Tapered pin stamped code:
A22
Pin position (notches from above):
1
Diffuser:
209 HA
Minimum nozzle:
32
Minimum air nozzle (on the body):
Free
Initial minimum mix screw opening:
1 1/2
Starter jet
50
Starter air nozzle (on the body):
Ø 1.5
Stroke of starter pin:
11 mm
Gasoline inlet hole
Ø 1.5
Tightening Torques
FRONT BRAKE
Name
Torque in Nm
Brake fluid pump-hose fitting
8 ÷ 12
Brake fluid pipe-calliper fitting
20 ÷ 25
Screw tightening calliper to the support
20 ÷ 25
Brake disc screw
5 ÷ 6.5
Oil bleed valve (on the calliper)
10 ÷ 12
Handlebar pump
7 ÷ 10
FRONT SUSPENSION
Name
Torque in Nm
Shock absorber upper nut
20 ÷ 30
Front wheel axle nut
75 ÷ 90
Shock absorber upper bracket bolts
20 ÷ 25
Vespa LXV 50
Characteristics
CHAR - 11
Summary of Contents for LXV 50
Page 4: ......
Page 6: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Page 15: ...INDEX OF TOPICS TOOLING TOOL ...
Page 26: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Page 36: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Page 42: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Page 58: ...020334Y Multiple battery charger Electrical system Vespa LXV 50 ELE SYS 58 ...
Page 59: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Page 61: ...INDEX OF TOPICS ENGINE ENG ...
Page 92: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Page 108: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Page 114: ...INDEX OF TOPICS CHASSIS CHAS ...
Page 120: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Page 124: ...INDEX OF TOPICS TIME TIME ...