on this good occasion Vespaholic will provide information of a Vespa Classic motor which is currently its existence is increasingly rare, especially in a very oroginal circumstances. That's the Vespa Sprint and Vespa Sprint Veloce produced by motor company from Italy Piaggio from 1965 to 1976.
Both scooter engined 2 tak 150 cc has different specifications both in terms of body and engine. Vespa Sprint comes as an early model from 1965 until 1974, while Vespa Sprint Veloce began to be made as a second model in 1969 to 1976. To know the difference between the two Vespa models let us consider the specifications of each Vespa Sprint.
Vespa Sprint (1965-1974)
This early generation Vespa Sprint has the same body frame code as the Sprint Veloce model VLB1T. Vespa Sprint body glance is not much different from the Vespa 150 Super produced between the years 1965-1979 with VBC1T frame code, the shape of the front lights are semi-box and tebeng second side is also slim, but clearly visible on the Vespa Sprint that has been using the wheel measuring 10 inches larger than the Super Vespa which only has wheels measuring 8 inches. To know the insertion of Vespa engine and body of this first generation Sprint in the following details we present the technical specifications of this Vespa motor:
Engine: 2-stroke Single Cylinder, Air Cooled
Barrel: 2 Port Transfers
Induction: Disc Valve
Bore: 57 mm
Stroke: 57 mm
Engine Capacity: 145.5 cc
Compression Ratio: 7.5: 1
Maximum Power (Bhp at Rpm): 7.1 hp @ 5000 Rpm
Lubrication: 2% (USA autolube)
Transmission: 4 Constant mesh speed
Main drive: 22 clutch - input shaft 67
Dental Ratio:
Dental 1: 14,46: 1
Teeth 2: 10.28: 1
Teeth 3: 7.36: 1
Teeth 4: 5.36: 1
Clutch Type: Wet Multiplate
Lubrication: 2%
Carburetor: Dell'Orto SI 20 / 17D
Main Jet: 102
Slow running Jet: 42
Diffuser: E1
Main Air Bleed: 140
Throttle Valve: No. 0
Starter Jet: 60
Ignition: Contact Circuit Breaker & Coil
Ignition Time: 22 deg. BTDC
Breaker Gap: 0.3-0.5 mm
Voltage: 6 volts
Max Output Stator: 6V - 50W
Wheel Wheel Size: 10 inches
Tire Size: 3.50 x 10
Maximum Speed: 62 miles / hour