Classic Vespas
VBC Specifications
Wiring Diagrams - 6v (pdf) / Upgraded 12v (for pdf file click here)
Click here for the new 5-port Engine Specs
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Bore / Stroke |
57 mm x 57 mm | 4 Gears Ratios - 1st | 13:35 : 1 |
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Displacement |
145.45 cc | 2nd | 9.32 : 1 |
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Compression Ration |
7.5 : 1 | 3rd | 6.64 : 1 |
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Type Engine |
single cylinder 2 stroke | 4th | 4.73 : 1 |
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Fuel Lubrication |
2% oil mixture w/gas | Primary Drive Ratio |
22 clutch / 67 input shaft |
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Horsepower |
5.9 BHP @ 5,200 RPM | Chassis | one piece metal pressed |
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Carburetor |
Del'Orto SI 20/20 D | Fuel Capacity | 7.7 liter (1.7 US gal) |
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Main Jet |
100 | Reserve Fuel | 1.4 liter (0.37 US gal) |
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Slow running jet |
42 | Spark Plug | Champion L86 /Bosch W225 |
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Diffuser |
BE/1 | Spark Plug Gap | 0.6mm / .23" |
| Main Air Bleed | 185 | Tires / Tubes | 3.5" x 10" |
| Starter Jet | 7.0 | Tire pressures | F - 25 psi / R - 30 psi |
| Ignition Timing | 22 degrees Before Top Dead Center | Transmission | 4 speed constant mesh |
| Breaker Gap | 0.3 - 0.5 mm | Wheel Construction | 2 piece rims |
| Voltage | 6 volts (upgrade 12v) | Weight | 200 lbs. w/o fuel |
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Stator Output |
6v @ 50W | Max. Speed | 58 MPH / 94 Km |
| Clutch | wet - multiplate | Break-in Lub | 4% oil w/gas for first 500 miles |
| Wheel Base | 47.2" | Total Length | 71" VBC / 68" VBB |
| Max. Height | 41" | Turning Radius | 55" |
| Handlebar Width from hand levers | 27" (VBB 28") | Muffler Ground Clearance | 6" w/10" wheels (VBB 4.75" with 8" wheels) |
| Range | 230 miles | Rear Cowl Width | 22" (VBB 21.5") |
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Years Manufactured |
Model - Chassis "VIN" Numbers | ||
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1960 - 1967 |
VBB 1001 - 280148 |
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1965 - 1979 |
VBC 1001 - 554808 |
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1965 - 1974 |
VLB 1001 - 1205477 |
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Classic Vespas
Last Updated: Monday, 14 April 2008