Ossa E-71: history, specs, pictures
The Ossa E-71 was a Air-cooled, Single Cylinder, 2-stroke Trial motorcycle produced by Ossa in 1971. Claimed horsepower was 23.07 HP (17.2 KW) @ 6800 RPM.
| 'Ossa E-71' | |
| Manufacturer | [[Ossa]] |
|---|---|
| Production | 1971 |
| Class | [[:Category:Trial motorcycles|Trial]] [[Category:Trial motorcycles]] |
| Engine | Air-cooled, Single Cylinder, 2-stroke |
| Bore / Stroke | 59.9mm x 59.9mm |
| Compression ratio | 11.5:1 |
| Horsepower | 23.07 HP (17.2 KW) @ 6800RPM |
| Transmission | Gear box: 5 Speed Final Drive: Chain |
| Brakes | Front: Drum Rear: Drum |
| Front Tire | 4.00-18 |
| Rear Tire | 3.00-21 |
| Wheelbase | 53.5 inches (1359 mm) |
| Weight | 96.0 kg (wet) |
| Manuals | Service Manual |
Engine
A 59.9mm bore x 59.9mm stroke result in a displacement of just 250.0 cubic centimeters.
Drive
The bike has a 5 Speed transmission.
Chassis
It came with a 4.00-18 front tire and a 3.00-21 rear tire. Stopping was achieved via Drum in the front and a Drum in the rear. The wheelbase was 53.5 inches (1359 mm) long.