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DRT Z 21 pinion meshes with primary Z 61 (ratio 2.90) helical gear for Vespa 50 - Primavera - ET3
| Price: |
|
|---|---|
| Item code: | 6850 |
| Type 3: | DRT |
| cod. produttore: | 29218 |
| Availability: | Available to be ordered |
| Quantity: |
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Description
Pignone DRT Z21 per corona Z61 elicoidale
Pignone a 21 denti sviluppato per la primaria Vespa Smallframe con corona Z61 a denti elicoidali. Il rapporto risultante č 61/21, pari a 2,90: rispetto alla configurazione Z24/61 accorcia la trasmissione finale, aumentando il regime a paritā di velocitā.
Compatibilitā
- Vespa 50, 90 e 125 Primavera
- Vespa ET3, PK, ETS e XL
- Solo con corona Z61 e profilo elicoidale compatibile
Le varianti Z22 e Z23 della stessa famiglia producono rapporti differenti e non sono equivalenti allo Z21. Una corona a denti dritti o con numero di denti diverso richiede il relativo pignone dedicato.
Controlli di montaggio
Prima dell'assemblaggio verificare marcatura e profilo della corona, usura dei denti, sede della chiavetta e gioco d'ingranamento. Dopo il serraggio ruotare la trasmissione manualmente e controllare che non vi siano punti duri.
Vespa 50, 90, 125 Primavera, ET3, PK, ETS e XL con primaria Z61 a denti elicoidali compatibile; escluse corone diverse e primarie a denti dritti.
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