Mofa

Piaggio Ciao mono drive or Vario drive?

Wednesday 30 September, 2020

Differences Piaggio Ciao / Bravo / Si / Boxer Mono Drive and Variator Drive

Attention! The most important thing upfront – the components of the mono drive and the variator drive are not compatible or interchangeable! The crankshaft, however, is the same for both drive types. The easiest way to recognize this ratio is by the side covers in the direction of travel on the left. If the side cover also has a bulge at the back, it is a variator model.

1. Variator drive2. Mono drive

Converter / Variator

In the variator model, the converter unit with the integrated clutch is located at the rear. The variator is at the front. The advantage of the variator drive is that it offers you a continuously variable automatic. When starting, it has a short ratio; at higher speeds, it shifts to a longer ratio. This principle is still applied in every automatic scooter today.

3. Combined converter / clutch unit4. Variator

Mono Drive

Classically, the German mopeds with 25 km/h have the mono drive, but there are also moped versions with the mono drive, without a variator.

5. Pulley6. Clutch

Clutch bell, Pulley, and V-belt

At the front, you will find the clutch bell, and inside, the V-belt runs on a groove with a diameter of 26mm inside. (6) The rear pulley is mounted directly on the mono gearbox. The mono gearbox can be recognized by the fact that the gearbox shaft protrudes only about 13mm from the gearbox, and only the flat pulley is installed (5). This pulley has a diameter of 90mm in the 25 km/h moped. The standard gearbox of the Ciao has a gear ratio of 10.5:1, and the Bravo has a ratio of 8.5:1 (see also Piaggio Ciao Mofa Tuning)

7. Variator gearbox8. Mono gearbox for pulley

Useful Upgrades or Tuning of the Gear Ratio

Mono Gearbox: The simplest tuning to increase top speed is lengthening the gear ratio. For the mono gearbox, we have exactly three options:

Swap the front clutch, remove the moped clutch, and replace it with a 30 km/h clutch. The standard clutch has an inner diameter of 26mm, while the 30 km/h clutch has a diameter of 41mm.
Swap the rear pulley. The original pulley of the Ciao has a diameter of 90mm. However, only pulleys with 70mm or 80mm are truly usable, as they still provide acceptable acceleration when starting.
Swap the gearbox. To find out the gear ratio, check out: Blog: Piaggio Mofa tuning and setup

INFO: The standard Mofa gearbox of the Ciao has a ratio of 10.5:1, and by installing the 8.5:1 gearbox of the Bravo, the overall gear ratio is increased by about 20%. TIP: Very inconspicuous, as the clutch and pulley can remain original.

Mofa / Moped Accessories and Tuning Catalog:

[/su_column] [su_column size="3/4" center="no" class=""] Vespa Mofa Moped Brochure 2020 / 2021 BROCHURE 2020/21 . EDITION 01 Vespa Mofa | Vespa Moped | Vespa Ciao | Bravo Boxer & Co.

SC Specials Catalog Ciao Tuning, Mofa, Moped Styling, Accessories.pdf

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Autor
Maryzabel Cárdenas Ávila

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