VNA1T

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The Vespa VNA1T was the initial range of the VNA Vespa 125

See also: VNA2T

Contents

Specifications

1957 - 1958

Serial Range

1957 VNA1T 1001-10300
1958 VNA1T 10301-68031

Engine

123.67 cc single cylinder, air cooled 2-stroke
induction: piston ported
bore: 54 mm
stroke: 54 mm
compression ration: 6.3: 1
bhp at rpm: 4.5 @ 5000
lubrication:5%

Transmission

3 speed constant mesh
1st gear: 12.20: 1
2nd gear: 7.60: 1
3rd gear: 4.85: 1
cutch: wet - multiplate

Carburetor

Dell'Orto UA/16S1
main jet: 72
slow running jet: 38
needle jet: 2.60
needle position: 2
throttle valve: No 50
ignition: contact breaker & coil
ignition timing: 28 deg. BTDC
breaker gap: 0.3 - 0.5 mm

Electrical

6 volt

Wheels

tires: 3.50 x 8
max speed: 47 mph

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