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Clutch sprocket -PIAGGIO- Vespa Cosa2, PX (1995-) - (for 67/68 tooth primary gear, helical) - 20 tooth

9020121
Clutch sprocket -PIAGGIO- Vespa Cosa2, PX (1995-) - (for 67/68 tooth primary gear, helical) - 20 tooth
Clutch sprocket -PIAGGIO- Vespa Cosa2, PX (1995-) - (for 67/68 tooth primary gear, helical) - 20 tooth
Clutch sprocket -PIAGGIO- Vespa Cosa2, PX (1995-) - (for 67/68 tooth primary gear, helical) - 20 tooth

Description


Together with the large primary wheel, the clutch pinion forms the so-called primary reduction. Here, the transmission ratio can be changed by simply replacing the clutch pinion.
Those who cannot manage this can also replace the primary wheel.

For the latter option, however, the engine must be opened completely, for the clutch pinion, however, it is sufficient to remove the clutch cover together with the clutch.

There are three primary wheels that were originally installed.

  • 65 teeth: PX200, Rally200

  • 67 teeth: Sprint Veloce, Super, GT, GTR, TS

  • 68 teeth: PX80, PX125, PX150, all Cosa models.

The fewer teeth the primary gear has, the longer the possible reduction.
The fewer teeth the clutch pinion has, the shorter the possible reduction.

The following combination can be used:

  • 65Z = 23Z

  • 67/68Z = 20Z, 21Z, 22Z

There are now (from z.The PX80 and PX125 models originally have a primary gear with 68 teeth and a coupling pinion with only 20 teeth. Here, the 22 tooth sprocket can be installed without any further adjustments and the transmission ratio can therefore be extended considerably (+ ~10km/h). Ideal for PX80 which are converted to 125/135cc or PX125 which are converted to 166/177cc. If this is still too short, the BGM special pinion with 23Z can be used for the 67/68Z primary gear.



As lubricant we recommend the BGM Pro Street gear oil (BGM2025, corresponds to specification API GL-3).


AI-translation

 
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€189.00 *

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Gear box (classic scooters)
number of teeth small primay sprocket: 20
type of teeth: helical
combinable primary sprockets: 65 teeth helical (DRT sprocket), 67 teeth helical (Piaggio), 68 teeth helical (Piaggio)
OEM numbers (for comparison purposes only)
Piaggio 2868994
Please inform me once the product is available again.
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Kupplungsritzel | Kuluritzel | Kupplungszahnrad | Kuluzahnrad | Kupplungsrad | Kulurad | Clutch | Sprocket | Noix D'Embrayage | Ingranaggio Frizione | Piñón Embrague |

Available versions

Part no.: Number of teeth Price Stock Cart Save
Part no.: 9020121 Number of teeth 20 teeth Price
€189.00
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Part no.: 9020064 Number of teeth 21 teeth Price
€139.00
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Together with the large primary wheel, the clutch pinion forms the so-called primary reduction....Continue reading

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