Vespa 125 GT - Series description

VNL1T  1961-1962

VNT1T  1963-1965

VNL2T  1966-1973

This bike is basically a 150 Sprint with a smaller bore and lower gearing, presumably to hit the European learner 125 market. All body parts and most engine parts (except for the piston, barrel, and gears) should be interchangeable between the two.

Vespa 125 GT - Technical specification

Frame type Rim Gears speed km/h Specification

VNL1T  1961-1962

largeframe 8" 4 gears ? km/h

engine: single cylinder, air cooled 2-stroke barrel: 2 transfer ports induction: disc valve bore: 52.5 mm stroke: 57 mm cubic capacity: 123.4 cc lubrication:2% transmission: 4 speed constant mesh wheels: 8" wheel hubs: cast w/cooling fins tires: 3.50 x 8 tire pressure (front): 16 psi tire pressure (rear solo): 20 psi tire pressure (rear w/passenger): 32 psi

VNT1T  1963-1965

VNM1M

largeframe 0" 4 gears ? km/h

engine: single cylinder, air cooled 2-stroke induction: disc valve wheels: 10" wheel hubs: cast w/cooling fins tires: 3.50 x10 tire pressure (front): 18 psi tire pressure (rear solo): 26 psi tire pressure (rear w/passenger): 36 psi

VNL2T  1966-1973

VNL2M

largeframe 10" 4 gears 92 km/h

engine: single cylinder, air cooled 2-stroke barrel: 2 transfer ports induction: disc valve bore: 52.5 mm stroke: 57 mm cubic capacity: 123.4 cc bhp at rpm: 6.3 @ ?? lubrication:2% transmission: 4 speed constant mesh primary drive: 19 clutch - 67 input shaft 1st gear: 15.46: 1 2nd gear: 10.79: 1 3rd gear: 7.69: 1 4th gear: 5.49: 1 clutch: wet - multiplate ignition: contact breaker & coil ignition timing: 22 deg. BTDC breaker gap: 0.3 - 0.5 mm voltage: 6 volt max stator output: 6v - 50w wheels: 10" wheel hubs: cast w/cooling fins tires: 3.50 x 10 tire pressure (front): 16 psi tire pressure (rear solo): 20 psi tire pressure (rear w/passenger): 32 psi max speed:54 mph

Vespa 125 GT - VIN numbers; VIN serial numbers; Chassis number

  VIN prefix Year VIN Chassis Number Vespas made  
VNL1T
VNL1T
VNT1T
VNT1T
VNL2T
VNL2T1966 30001 - 357535 752
VNL2T1967 35764 - 5460218 838
VNL2T1968 54603 - 6540110 798
VNL2T1969 65402 - 698474 445
VNL2T1970 69848 - 736133 765
VNL2T1971 73614 - 758212 207
VNL2T1972 75822 - 783132 491
VNL2T1973 78314 - 815823 268

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