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WebshopVespa PX/T...TuningClutches &...Clutch FA "COSA 2" Standard
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Clutch FA "COSA 2" Standard

for Vespa PX200E Lusso `95->/
`98/MY/Cosa 2 200
also for Vespa 200 Rally/P200E
/PX200E/Lusso/Cosa 1 200,
Ø 115 mm, 23 teeth, 4 plates
8 spring(s), stiffness: L,
reinforced, with ring

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

 

Since around 1995 the COSA II clutch has been used in all VESPA PX EFL/'98/MY /'11 and of course, the COSA II 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.

 

The gear cogs for the COSA II clutch are available with 20, 21, 22 and 23 teeth. The cogs with 20 or 22 teeth fit into 125-150cc motors and the 21 or 23 toothed cogs into the 200cc motors without having to also replace the primary driven gear cog. If, on the other hand, another primary gear cog or the DRT clutch gear cogs are used, more transmission ratios are possible. All VESPA large frame models since the VNA/VNB range up till 1994 can be fitted with the COSA II clutch. With these 125-150cc models the existing clutch cover must either be modified due to the largest size of the COSA II clutch conversion, or replaced with the clutch cover from the 200cc motor with a suitable pressure plate.

The traditional Italian manufacturer NEWFREN has a version of the COSA II clutch available with a reinforcement ring welded around the outside diameter of the basket and also springs, stronger than the original items. This 'ringed' version should only be included in motors tuned up to around 15 PS. For all you original VESPA fans we also have the original PIAGGIO version in stock.

 

Helpful Hint: Regrettably the production quality standards of both manufacturers of this clutch system was not always consistent with the high quality we have come to expect from PIAGGIO & CO. We recommend therefore that these clutches only be used, in their standard form at least, in original motor setups. When a reinforcement ring is included, mildly tuned motors can also benefit from this clutch system. If however, the comfort that this clutch system offers cannot be done without - even in a highly tuned machine – the use of another more suitable clutch basket produced by either ourselves, MMW or Scooter & Services is strongly recommended. Attention: Not compatible with PINASCO clutch bush Part.-No. 59366000!

 

Conclusion: Combined with a suitable clutch basket the COSA II clutch remains the absolute recommendation for every VESPA large frame motor.

 

SIP-TIP: When the clutch assembly is completely assembled, prior to mounting on the crankshaft, the 'neck' part of the clutch base plate that connects with the crankshaft itself should protrude 0,5-0,7 mm further towards the rest of the engine than the clutch gear cog to ensure the clutch operates correctly. The somewhat lax manufacturing tolerances of various clutch components can result in this gap being reduced causing the spacer washer to come into contact with the primary drive gear cog, so preventing clutch plate separation. Should you encounter this problem while mounting your clutch we recommend slight modification to your primary drive gear cog with a slight chamfering to a ratio of 2:10 or the use of a suitably modified spacer available at our shop (Art.-Nr.69821000). For inclusion in the more powerful tuning setups the use of a stronger clutch basket is necessary!

 

SIP community user “Klose” on Art.-Nr.28865000: “Recommendable! Fits well and works even better!”

 

SIP community user ‚CSHCSH‘ (über Art.nr.28865000): „It's extremely easy to shift without too much pressure, while giving excellent mid and high end.“

 

 

 

 

SIP-TiPP:  A width of circa 0.5mm play is necessary between the outer edge of the clutch base plate and the clutch gear for exact separation. Tolerances with the clutch check disk as well as the clutch can lead to lowered play. This can cause clutch separation problems.

 

If this separation problem arise; try sanding the clutch gear lightly (2/10 mm) or, much more simple, use the distance washer # 69821000.


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icon scootermodels This product fits the following models
  LML
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
LML Star 150 2T / DLX / Via Toscana / Star / Stella / Belladonna RV 150 2T AC
  VESPA
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA 125 (T1/125) (D) 125 VNA1-2 2T AC `57-`59 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 125 (T2/125) (D) 125 VNB1-6 2T AC `59-`65 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 125 GT / 125 Sprint 125 VNL1-2 2T AC `61-`73 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 125 GTR 125 VNL2T 2T AC `68-`78 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 125 TS 125 VNL3T 2T AC `75-`78 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 150 150 VBB1-2 2T AC `60-`67 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 150 150 VBA1T 2T AC `58-`60 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 150 (T4/150) (D) 150 VGLA-B 2T AC `59-`65 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 150 GL 150 VLA1T 2T AC `62-`64 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 150 GL Touring (DK) 150 VGLA-B 2T AC `57-`58 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 150 Sprint 150 VLB1T 2T AC `65-`74 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 150 Sprint Veloce 150 VLB1T 2T AC `69-`79 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 150 Super 150 VBC1T 2T AC `65-`79 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA 180 Rally 180 VSD1T 2T AC `68-`73 200er Zahnrad Nebenwelle Z65 verwenden
VESPA 200 Rally 200 VSE1T 2T AC `72-`79
VESPA COSA 1 150 VLR1T 2T AC `87-`90
VESPA COSA 1 200 VSR1T 2T AC `88-`91
VESPA COSA 1 125 VNR1T 2T AC `88-`91
VESPA COSA 2 150 VLR2T 2T AC `91-
VESPA COSA 2 125 VNR2T 2T AC `91-
VESPA COSA 2 200 VSR1T 2T AC `90-`96
VESPA P125X 125 VNX1T 2T AC `77-`82 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA P150 S 150 VBX1T 2T AC `78-`90 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA P150X / PX150 E 150 VLX1T 2T AC `78-`85 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA P200E / PX200 E 200 VSX1T 2T AC `77-`86
VESPA P80 / P80 E (Frankreich) 80 V8A1T 2T AC `80-`84 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA P80X/PX80 E 80 V8X1T 2T AC `81-`83 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA PX 80 E Lusso/ EFL/ Arcobaleno / Elestart 80 V8X1T 2T AC `83-`90 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA PX100 E 100 VIX1T 2T AC `83-`84 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA PX125 E 125 VNX2T 2T AC `81-`83 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA PX125 E Lusso/EFL/Arcobaleno / Elestart 125 VNX2T 2T AC `83-`97 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA PX150 2011 150 ZAPM74200 2T AC `11-
VESPA PX150 E `98 / Millenium 150 VLX1T 2T AC `98
VESPA PX150 E Lusso/EFL/Arcobaleno / Elestart 150 VLX1T 2T AC `83-`97 from year 1995
VESPA PX150 E Lusso/EFL/Arcobaleno / Elestart 150 VLX1T 2T AC `83-`97 use 200cc clutch cover and 200cc driven gear auxiliary shaft 65 cogs
VESPA PX200 E `98 / Millenium 200 VSX1T 2T AC `98-
VESPA PX200 E Lusso/ EFL/ Arcobaleno / Elestart 200 VSX1T 2T AC `83-`97

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