Vespa 125 (VNB6T)
Vespa 125 (VNB6T)

Vespa 125 (VNB3-VNB6)

Whoever says VNB2 will also say VNB3T. Piaggio did this in 1962 and presented an unchanged successor under the hood. The changes were mainly cosmetic, incorporating many features of the 150cc models. The handlebar head was no longer divisible and was made of cast aluminum with a holder for the small, square speedometer, as known from the predecessor model. However, the diameter of the headlight has increased to 115 mm. The brake pedal is the same as on the 150, made of highly polished aluminum with a black brake pedal rubber.

The Vespa lettering and saddle come in a dark blue. The rear light is no longer painted, but chrome-plated. Instead of the foot strips on the center tunnel, the mat with side trim strips is now fitted. The front mudguard is shaped slightly differently to the previous model and now has beading on the sides. The leg shield is flanged with an aluminum slotted tube.

The VNB4T, also introduced in 1962, did not change that much. The tried and tested engine was retained and the frame only changed in the area of the license plate mounting, where the frame was now square. The scooter is delivered in a light gray (MaxMeyer 1.298.8707). The wheelbase is 2 cm shorter. The rear brake pads no longer overlap on one bolt, but now have two bolts. The side hoods are now upgraded with trim strips.

In 1963, an engine with a 4-speed gearbox was installed for the first time in the VNB5T. The overall gear ratio remained the same, but the transmission was more closely stepped.

Only minor changes were made to the VNB6T from 1964. For example, the nuts of the stud bolts for the wheel fastening were reinforced (from 8 to 10 mm). In addition, the wheel nuts no longer had a weld. The rear light is that of the Super. In technical terms, the compression of the 4-speed engine is increased from 7.2:1 to 7.7:1. This increases the power output from 4.6 to 5.12 hp.


VNB6 frame numbers by year of construction:
1964: VNB6T 1001-7455
1965: VNB6T 7456-35439
1966: VNB6T 35440-37028

Original paint VNB6 (MaxMeyer)

Bodywork:
Azzurro Chiaro
PIA400 (1.298.7400)
Azzurro Chiaro 400
Primer:
Nocciola (Antiruggine)
PIA3000M (3000M)
Nocciola 3000M
Add-on parts:
Alluminio
PIA983 (1.268.0983)
Alluminio
Vehicle (general)
Designation
Vespa 125 (VNB6T)
VIN
VNB6T
Year of construction
1964, 1965, 1966
Number of units built
36028
 
Vehicle engine
Motor type
2-Takt
Emission standard
keine
Displacement
123.4 cm³
Stroke
57 mm
Drill hole
52.5 mm
Motor type
2-Takt
Number of cylinders
1
Type of cooling
Luft
Power (kW)
3.75 kW
Power (PS)
5.1
rpm (p max)
5000
Compaction
1:7.7
Mixture preparation
Vergaser
Carburetor
Dell'Orto SI 20/15C, Dell'Orto SI 20/15D
Starter
Kickstarter
Clutch
Manuell
Motor manufacturer
Piaggio
V max
78 km/h
 
Vehicle dimensions
Length
1725 mm
Width
655 mm
Height
985 mm
Ground clearance
160 mm
Wheelbase
1180 mm
Gasoline tank capacity
7.7 Ltr.
of which reserve (gasoline)
1.4 Ltr.
Weight (empty)
92 kg
Weight (max)
270 kg
 
Vehicle tires
Front tires
3.50 - 8
Rear tires
3.50 - 8
Front rim
2.15 - 8
Rear rim
2.15 - 8
 
Vehicle brake system
Front brake type
Trommelbremse
Type of rear brake
Trommelbremse
Ø front
125 mm
Ø rear
127 mm
Front brake actuation
mechanisch mit Seilzug
Rear brake actuation
mechanisch mit Seilzug
 
Vehicle engine - ignition system
Type of ignition
Kontaktzündung
Pre-ignition
26
Distance contacts
0.4 mm
Power (light)
30 W
Tension
6 V
 
Vehicle Engine - Gearbox
Gearbox type
manuell
Number of gears
4
Complete translation - 1:
4.85
Translation Primary - 1:
3.45
Gear ratio 1 - 1:
4.385
Gear ratio 2 - 1:
3.59
Gear ratio 3 - 1:
2.182
Gear ratio 4 - 1:
1.593
 
Vehicle fuels
Fuel
Super (ROZ 95)
Mixing ratio
1:50
Gear oil
SAE30
Quantity of gear oil
0.25 Ltr.
 
General
Code (new)
VESPA_VNB6T