Vespa 125 VM1T Specs

1952 – 1953

engine: single cylinder, air cooled 2-stroke

induction: piston ported

bore: 54 mm

stroke: 54 mm

cubic capacity: 123.7 cc

bhp at rpm: 5 @ 4850

compression ratio: 6.4: 1

transmission: 3 speed constant mesh

primary drive: 22/67 (3.05: 1)

1st gear: 12.2: 1

2nd gear: 7.6: 1

3rd gear: 4.85: 1

clutch: wet – multiplate – 3 cork plates

lubrication: 6%

carburetor: Dell’Orto TA 18C

venturi size: 18mm

main jet: 80/100

idle jet: 35/100

manifold size: 22mm

ignition: contact breaker & coil

ignition timing: 28 deg. BTDC

breaker gap: 0.4 mm

voltage: 6 volt

max stator output: 6v-36w @ 4850 rpm

wheels:8″

wheel hubs:pressed steel

tires: 3.50 x 8

max speed: 47 mph

weight: 191 pounds

Please check out the VIN decoder HERE if you have any questions about the year

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