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| The name stood for Electronic 3 intake ports, and included important changes to the engine, which had more power and sparkle. Even the styling was changed from the standard Primavera (which remained in the range). |
| Year | Prefix | Framenumber | |
| 1976-90 | VMB1T | 1101 - 148923 |
| engine | single cylinder, 2-stroke | |
| cylinder bore | 55 mm | |
| piston stroke | 51 mm | |
| cubic capacity | 121.2 cc | |
| bhp at rpm | 6 @ 5500 | |
| lubrication | 2% | |
| carburetor | Dell'Orto SHB 19/19 | |
| gears | 4 | |
| chassis | one-piece metal pressing | |
| tires | 3.00 x 10" | |
| weight | 76 kg | |
| max. speed | 85 km/h |