Washer / U-washer 20 / 28 / 0.5 made of steel for spacing out the front racing variator on your Piaggio Ciao, Si, Bravo and Boxer moped / moped.
The Polini, Malossi and Pinasco racing variators often have the problem that the lowest distance between the pulleys in the rest position is greater than the width of the V-belt. This results in the V-belt rubbing on the variator bolt at low engine speeds and starting to flutter. As a result, the V-belt wears out more quickly, which can lead to a tear and thus prevent further driving.
| Material | Steel |
| Surface | blank / oiled |
| Nominal diameter inside | 20 mm |
| Ø outside | 28 mm |
| Ø inside | 20 mm |
| Thickness | 0.5 mm |
| Piaggio | Ciao - P , SC , PX , C24 Si Bravo / Super Bravo Boxer Grillo |
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