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Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teeth for Vespa 125 VNA-TS/150 VBA-Super/180-200 Rally/PX80-200/PE/Lusso/Cosa/T5
Part no.: 93423000
€290.00
Including VAT Plus shipping
1,5kg / Piece
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Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle' Images may differ from the original
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle' Images may differ from the original
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle' Images may differ from the original
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle' Images may differ from the original
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle' Images may differ from the original
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle' Images may differ from the original
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle' Images may differ from the original
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle'
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle'
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle'
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle'
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle'
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle'
Product image for 'Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teethTitle'

Clutch SIP COSA 2 Ultrastrong for primary DRT 62 teeth

for Vespa 125 VNA-TS/​150 VBA-Super/​180-200 Rally/​PX80-200/​PE/​Lusso/​Cosa/​T5

also for LML Star 125-150 2T/​4T/​Stella
  • Ø 115 mm
  • 24 teeth
  • 4 SIP CR80 plates
  • sintered
  • 10 spring(s)
  • stiffness: L, reinforced
  • straight teeth
  • basket and inner part cnc machined, for 10 springs
 
TUNING RACE - for professionals
€290.00
Review now
Including VAT Plus shipping
1,5kg / Piece

Product description

PIAGGIO revolutionized the world of large frame motor transmissions with the introduction of the COSA 2 clutch. All the existing large frame clutch problems were solved.

 

Since around 1995 the COSA 2 clutch has been used in all VESPA PX EFL/'98/MY /'11 and of course, the COSA 2 models build by PIAGGIO. It comes complete with 4 friction plates, 8 springs and a sturdy clutch basket design. Due to the higher pressure created by the increased number of springs and the increased frictional surface area power can be transmitted more effectively between the crankshaft and the gearbox. Precision laser-cut clutch plates prevent any problems with snagging clutches. No jerking, no slipping, an optimal release point and all that combined with a light, easy clutch lever action, even when using a stronger set of springs.

 

In the past, there were enormous fluctuations in the quality of NEWFREN and PIAGGIO parts. That is why we recommend that all Largeframe riders with more that 15PS use the SIP clutch.

 

This SIP COSA 2 Standard / Sport clutch is equipped with the SIP clutch basket that was especially produced for this purpose: hardened by induction, precise notch, reinforced securing ring. The interior of the clutch basket, designed developed and produced exclusively for SIP, has 16 clutch spring recesses so that the 8 or 16 springs from the COSA 2 clutch type assembly can be used, one piece outer ring etc. This clutch won’t slip, is ready for plug&play use and works just the way it was originally supposed to.

 

Features SIP Standard Clutch:

- up to 15 PS

- hardened basket by induction with precise notch

- reinforced securing ring

- forged inner part and riveted 16-times

- equipped with 8 / 16 spring

- spring stiffness: L, 8 springs used

- Plug&Play

 

Features SIP Sport Clutch:

- up to 25 PS

- hardened basket by induction with precise notch

- reinforced securing ring

- forged inner part and riveted 16-times

- equipped with 8 / 16 spring

- spring stiffness: L, 8 springs used

- Plug&Play

 

The clutch basket of the SIP COSA 2 Race clutch is CNC machined from a solid aluminium alloy block and is hardened using a nitration process for added durability. The groove of the circlip has been optimized, holes and cut-outs reduce the weight. The interior of the clutch basket, designed developed and produced exclusively for SIP, has 16 clutch spring recesses so that the 8 or 16 springs from the COSA 2 clutch type assembly can be used. The rivets have also been specially produced for this unit, with grooves for ease assembly and an anti corrosive treatment. Due to this we can keep this item at an affordably low price, coupled with the use of the highest quality materials.

 

Features SIP Race Clutch:

- up to 25 PS

- CNC machined basket with precise notch

- reduced weight through cut-outs

- forged inner part and riveted 16-times

- equipped with 8 / 16 spring

- spring stiffness: L, 8 springs used

- bore out clutch cover necessary

 

The overall design of the SIP 'Ultrastrong' clutch basket is based upon that of the MMW 'Superstrong' type and is also constructed for SIP by MMW. Up till now this type of clutch was only really suitable for dedicated race use, but now thanks to a slimmer design can also be considered for use as part of a road-going touring motors set-up. The SIP version of the 'Superstrong' clutch also does without the standard COSA 2 clutches baseplate, which has been replaced by a wave shaped baseplate. There are no rivets that can shear in its construction and ten COSA 2 clutch springs are installed. As far as the materials and production quality of these MMW manufactured clutch bushes are concerned, these items represent absolute state-of-the-art motor components. In contrast to the original items, these are machine-pressed directly onto the base-plate of the clutch assembly and then reduces clutch grabbing or judder.

The main difference of the MMW 'Superstrong' clutch versions can be found in the design of the clutch basket. The holes that are situated on the sides of the MMW versions basket are absent on the SIP type. The SIP clutch basket is also constructed using a more easily modifiable EC80 type steel, which is better known as F1 steel in Italy, as opposed to the MMW clutch basket which relies on a 42CroMo4 material for its manufacture. Our SIP clutch basket was conceived to fit more easily beneath the original clutch cover, with minimal modification being required. Some clutch covers/casings only need a couple of internal drip ridges to be carefully snapped off using a normal set of pliers! This clutch basket type has already been successfully proven in many motors capable of producing up to 30PS and even more. We have decided to call it a 'sport' clutch basket and not a 'race' type due to the fact that it is compatible for inclusion in the set-up of your motor with only minimal modification of your crankcases being necessary.

 

Features SIP Ultrastrong Clutch:

- up to 25 PS

- basket incl. inner part CNC machined with precise notch

- spring stiffness: L, 10 springs used

- Plug&Play

 

Attention: Not compatible with PINASCO clutch bush part no. 59366000!

 

SIP-TIP: Don’t forget to order new pressure plate, push rod, locking washer and nut. Make sure to soak the clutch plates in gearbox oil once again.

 

Possible gear transmission ratios:

 

Clutch cog

STD
helical cut teeth

STD helical cut teeth

STD
helical cut teeth

POLINI
straight teeth

DRT
straight teeth

 

 

67

68

65

64

62

 

20

3,35

3,40

 

 

 

helical cut teeth

21

3,19

3,24

3,10

 

 

helical cut teeth

22

3,05

3,09

2,95

 

 

helical cut teeth

23

 

 

2,83

 

 

helical cut teeth

22

 

 

 

2,91

 

straight teeth

23

 

 

 

2,78

 

straight teeth

23

 

 

 

 

2,70

straight teeth

24

 

 

 

 

2,58

straight teeth

25

 

 

 

 

2,48

straight teeth

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Downloads

File name File type Description File size
Montage_Kupplung_Cosa Montage Kupplungsbeläge PX 7,92 MB Download
Technik_Kupplung_Neu Technik Kupplung 2,46 MB Download
Primär vernieten PX Primär neu vernieten und Kupplung montieren PX 14,21 MB Download
Clutch technology Clutch technology 2,96 MB Download
Installation Vespa PX clutch friction plates Installation Vespa PX clutch friction plates 0,43 MB Download
Re-rivet primary drive install clutch Re-rivet primary drive install clutch 0,61 MB Download
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