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VESPA JETTING

PX-EFL-T5

PX 125 DISC
CARBURETOR: 20/20
VENTURI SIZE: 20 mm
MAIN JET: 96
PILOT JET: 45/100
THROTTLE SLIDE: 6823.09
MIXER TUBE: BE 5
AIR CORRECTION JET: 140/100
STARTER JET: 60/100

P125X (VNX1T) MK1
CARBURETOR: DELLORTO SI 20/20 D
VENTURI SIZE: 20 mm
MAIN JET: 98
PILOT JET: 45/100
THROTTLE SLIDE: 6823.01
MIXER TUBE: BE 3
AIR CORRECTION JET 140/100
STARTER JET: 60/100

PX 200 (VSX1T)
CARBURETOR: DELLORTO SI 24/24 E
VENTURI SIZE: 24 mm
MAIN JET: 116
PILOT JET: 55
THROTTLE SLIDE: 8492.4
MIXER TUBE: BE 3
AIR CORRECTION JET: 160/100
STARTER JET: 60/100

PX 125 EFL (VNX2T)
CARBURETOR: DELLORTO SI 20/20 D
VENTURI SIZE: 20 mm
MAIN JET: 99
PILOT JET: 45/100
THROTTLE SLIDE: 6823.08
MIXER TUBE: BE 5
AIR CORRECTION JET 140/100
STARTER JET: 60/100

PX 150 (VLX1T)
CARBURETOR: DELLORTO SI 20/20 D
VENTURI SIZE: 20 mm
MAIN JET: 116
PILOT JET: 45/160
THROTTLE VALVE: 6823.01
MIXER TUBE: BE 3
AIR CORRECTION JET 150
STARTER JET: 60/100

T5-T5 CLASSIC (VNX5T)
CARBURETOR: DELLORTO SI 24/24 G
VENTURI SIZE: 24 mm
MAIN JET: 110
PILOT JET:5 0
THROTTLE SLIDE: 8492.05
MIXER TUBE: BE 4
AIR CORRECTION JET: 120/100
STARTER JET: 60/100
Vintage Models

150 SUPER (VBC1T) 1965 - 1979
CARBURETOR: DELLORTO SI 20/15D
MAIN JET: 88
PILOT JET: 42
DIFFUSER: E1
MAIN AIR BLEED: 160
STARTER JET: 60

VLB1 1965-150 SPRINT
CARBURETOR: DELLORTO SI 20/17D
MAIN JET: 102
PILOT JET: 42
DIFFUSER: E1
MAIN AIR BLEED: 140
THROTTLE VALVE: NO 0
STARTER JET: 60

VGL1-150GL 1956 - 1958
CARBURETOR: DELLORTO MA19C
MAIN JET: 98
PILOT JET: 40
NEEDLE JET: 2.60
NEEDLE POSITION: 3
THROTTLE VALVE: NO 50

150 CLUBMAN 1957 - 1959
CARBURETOR: DELL ‘ORTO MA/19D
MAIN JET: 75/NEEDLE JET: 2.60
NEEDLE POSITION: 3
THROTTLE VALVE: NO.50
PILOT JET: 40

VESPA SPORTIQUE (31212) VBB
CARBURETOR:DELL ‘ORTO SI/20/17B
MAIN JET: 100
DIFFUSER: BE/1
MAIN AIR BLEED: 185
THROTTLE VALVE: NO.7
PILOT JET: 185

SI/20/17C FROM ENGINE 5KC11726
MAIN JET: 100
DIFFUSER: E/1
MAIN AIR BLEED: 185
THROTTLE VALVE: NO.0
PILOT JET: 185
STARTER JET: 60

92L2 1956 - 1959
CARBURETOR: DELL ‘ORTO TA/18C
MAIN JET: 80
NEEDLE JET: 195/35
NEEDLE POSITION: 2
THROTTLE VALVE: NO. 55

42L2 1955 - 1956
CARBURETOR: AMAL 561/1
MAIN JET: 95
NEEDLE JET: 0.086
NEEDLE POSITION: 2
THROTTLE VALVE: NO. 4
Rally-SS-GS Models

RALLY 180 (VSD1T) 1968 - 1973
CARBURETOR: DELLORTO SI 20/20 D
MAIN JET: 109
PILOT JET: 50
MIXER TUBE: BE 2
STARTER JET: 60

RALLY 200 (VSE1T) 1972 - 1979
CARBURETOR: DELLORTO SI 24/24 E
MAIN JET: 118
PILOT JET: 50
MIXER TUBE: BE 3
MAIN AIR BLEED: 160
STARTER JET: 60

SS 180 (VSC1T) 1964 - 1968
CARBURETOR: DELLORTO SI 27/23
MAIN JET: 120/100
PILOT JET: 50/100
AIR CORRECTION JET: 160/100
STARTER JET: 60/100
MIXER TUBE: BE 2

GS 160 (VSB1T) 1962
CARBURETOR: DELLORTO SI 27/23
MAIN JET: 108
PILOT JET: 50
DIFFUSER: BE1
MAIN AIR BLEED: 185
STARTER JET: 60

GS150 1955-1955 VS1
CARBURETOR: DELLORTO UB 23 S3
MAIN JET: 100
MIXER: 2.60
NEEDLE POSITION: 3
PILOT JET: 45

1956-VS2
CARBURETOR: DELLORTO UB 23 S3
MAIN JET: 103
MIXER: 2.60
NEEDLE POSITION: 3
PILOT JET: 45

1957-VS3
CARBURETOR: DELLORTO UB 23 S3
MAIN JET: 103
MIXER: 2.60
NEEDLE POSITION: 3
PILOT JET: 45

1958-VS4
CARBURETOR: DELLORTO UB 23 S3
MAIN JET: 103
MIXER: 2.60
NEEDLE POSITION: 3
PILOT JET: 50

1958-1961 VS5
CARBURETOR: DELLORTO UB 23 S3 I
MAIN JET: 103
NEEDLE POSITION: 3
MIXER: 2.60
V50-90-PV125-PK

SS 90 (V9SS1T) 1965 - 1971
CARBURETOR: DELLORTO SHB 16/16
MAIN JET: 82
PILOT JET: 38
THROTTLE: NO 2
STARTER JET: 50
VESPA 50 SPECIAL (V5A1T)
CARBURETOR: DELLORTO SHB 16/16-10

PK 50 (V5X1T)
CARBURETOR: DELLORTO SHB 16/10

VESPA 90 (V9A1T)
CARBURETOR: DELLORTO SHB 16/16
MAIN JET: 63
PILOT JET: 38
STARTER JET: 50

V 100 (V9B1T)
CARBURETOR: DELLORTO SHB 19/19
MAIN JET: 74
PILOT JET: 42

PK 125 (VMX1T)
CARBURETOR: DELLORTO SHB 19/19E
VENTURI SIZE: 19 mm
MAIN JET: 73/100
PILOT JET: 45/100
THROTTLE VALVE: 10569.01.64
MIXER TUBE: 175/100
ATOMISER: 150/100
STARTER JET: 60/100

PV 125 (VMA2T) 1967 - 1983
CARBURETOR: DELLORTO SHB 19/19
MAIN JET: 74
PILOT JET: 45
THROTTLE VALVE: NO 2
STARTER JET: 60

ET3 (VMB1T) 1976 - 1990
CARBURETOR: DELLORTO SHB 19/19
MAIN JET: 76
PILOT JET: 45
THROTTLE VALVE: NO 2
STARTER JET: 60

CARBURETOR: DELLORTO UA/16S1
MAIN JET: 72
NEEDLE JET: 2.60
NEEDLE POSITION: 2
THROTTLE VALVE: NO.50
PILOT JET: 38

CARBURETOR: AMAL 503/1
MAIN JET: 70
NEEDLE JET: 0.086
NEEDLE POSITION: 2 OR 3
THROTTLE VALVE: NO.3
PILOT JET: 20

CARBURETOR: DELL ‘ORTO SI/20/15B
MAIN JET: 82
DIFFUSER: E2
MAIN AIR BLEED: 150
THROTTLE VALVE: NO.7
PILOT JET: 42
PILOT JET: 50
* Information source Piaggio Archives