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Drive shaft -OEM QUALITY, M16- Vespa VNA, VNB, VBB, VBA1T, 150GL (VLA1T), 150 T4 (VGLA, VGLB), Sprint150 (VLB1T -073899), GT125 (VNL2T -60899), Super 125 (VNC1T -024899), Super 150 (VBC1T -70199)

3332234
Drive shaft -OEM QUALITY, M16- Vespa VNA, VNB, VBB, VBA1T, 150GL (VLA1T), 150 T4 (VGLA, VGLB), Sprint150 (VLB1T -073899), GT125 (VNL2T -60899), Super 125 (VNC1T -024899), Super 150 (VBC1T -70199)
Drive shaft -OEM QUALITY, M16- Vespa VNA, VNB, VBB, VBA1T, 150GL (VLA1T), 150 T4 (VGLA, VGLB), Sprint150 (VLB1T -073899), GT125 (VNL2T -60899), Super 125 (VNC1T -024899), Super 150 (VBC1T -70199)
Drive shaft -OEM QUALITY, M16- Vespa VNA, VNB, VBB, VBA1T, 150GL (VLA1T), 150 T4 (VGLA, VGLB), Sprint150 (VLB1T -073899), GT125 (VNL2T -60899), Super 125 (VNC1T -024899), Super 150 (VBC1T -70199)
Drive shaft -OEM QUALITY, M16- Vespa VNA, VNB, VBB, VBA1T, 150GL (VLA1T), 150 T4 (VGLA, VGLB), Sprint150 (VLB1T -073899), GT125 (VNL2T -60899), Super 125 (VNC1T -024899), Super 150 (VBC1T -70199)
Drive shaft -OEM QUALITY, M16- Vespa VNA, VNB, VBB, VBA1T, 150GL (VLA1T), 150 T4 (VGLA, VGLB), Sprint150 (VLB1T -073899), GT125 (VNL2T -60899), Super 125 (VNC1T -024899), Super 150 (VBC1T -70199)

Description


Drive shaft for Vespa largeframe models between 1957 and 1968, which still have a bearing of the main shaft with multi-part roller bearing (alternator side). The later used main shafts of the Sprint Veloce and PX models are not compatible, their bearing surface has a larger diameter.

Quality good replica shaft.

NOTE: Compared to the original shaft, the stable mounting technology of the models from 1984 onwards was already used here. I.e. the M16 nut is secured with a safety cage and split pin (original here is a crown nut + split pin).

Diameter bearing shifting notch 28,2mm, suitable for bearing BGM7910

Background knowledge:
With the introduction of the Vespa GL around 1962 a new brake drum type for the rear wheel shaft was established, which is still used in almost the same design today. With the exception of the GS160/SS180 and COSA models, this drum type was installed in all Vespa scooters from 1962 on with horizontal cylinder (Vespa Largeframe).

  • 1962-1984: drum with Ø27mm oil seal running surface, crown nut secured with split pin. Tightening torque: 75-90NM
  • 1984-1988: Drum with Ø30mm oil seal running surface, hexagon nut secured with cage and split pin. Tightening torque: 90-110NM
  • 1988-today: Drum with Ø31,5mm unground running surface for felt ring, hexagon nut with cage and split pin secured (the actual shaft seal is located in the gearbox). Tightening torque: 90-110NM

The continuously increasing flange diameter (from Ø27 to Ø31.5mm) allows a much more stable brake drum flange. The models with only Ø27mm tend to expand quickly if the tightening torque was too low. A spread brake drum flange can be recognized by a rear wheel that keeps loosening, despite a correctly tightened rear wheel nut. In this case only a timely replacement of the brake drum can help, otherwise the toothing of the main shaft is affected and must also be replaced. For stability reasons it is always recommended to change to a drum with at least 30mm flange diameter.

UPGRADE old to new (27 > 30/31,5mm): The more stable drum of the PX Lusso models from 1984-1988 can also be used on the older years of manufacture with Ø27mm drum, provided that the shaft seal ring of the Lusso models with Ø30mm and the washer of the models from 1984 onwards are also used there. With a fully enclosed rear wheel bearing (6204 2RS) a brake drum of the models from 1988 up (with Ø31,5mm felt ring) can also be used without a shaft seal. here please check the bearing for tightness in regular intervals.

DOWNGRADE new to old (31,5 > 30mm): The newest type (1988-today) has no ground running surface and is therefore unsuitable for the combination with a shaft seal. The Lusso drum from 1984-1988 can also be used here and converted to a conventional shaft seal. If the internal shaft sealing ring is omitted here, make sure to close the drip hole in the housing.

(US)


AI-translation

 
€139.00 *

incl. VAT plus shipping costs

Available immediately (delivery time 1-3 working days*)
P For this item you get fidelity point/s
OEM numbers (for comparison purposes only)
Piaggio 82085
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