Vespa 125 U: history, specs, pictures
The Vespa 125 U was a single cylinder, two-stroke standard produced by Vespa in 1953. It could reach a top speed of 40 mph (65 km/h). Claimed horsepower was 4.43 HP (3.3 KW) @ 5000 RPM.
| Vespa 125 U | |
| Manufacturer | |
|---|---|
| Production | 1953 |
| Engine | single cylinder, two-stroke |
| Bore / Stroke | 56.5mm x 49.8mm |
| Top Speed | 40 mph (65 km/h) |
| Horsepower | 4.43 HP (3.3 KW) @ 5000RPM |
| Fuel System | carburetor |
| Transmission | Final Drive: chain |
| Suspension | Front: helicoidal spring on front wheel Rear: hydraulic shock absorber with helicodal wheel |
| Brakes | Front: expanding brake (drum brake) Rear: expanding brake (drum brake) |
| Front Tire | 3.50-8 |
| Rear Tire | 3.50-8 |
| Weight | |
| Manuals | Service Manual |
Engine
The engine was a air cooled single cylinder, two-stroke. A 56.5mm bore x 49.8mm stroke result in a displacement of just 124.8 cubic centimeters.
Chassis
It came with a 3.50-8 front tire and a 3.50-8 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a helicoidal spring on front wheel while the rear was equipped with a hydraulic shock absorber with helicodal wheel.