Clutch DRT Sport for Vespa 150 GS/​160 GS/​180 SS and Motovespa

• Ø 115mm, Øi 108 mm
• t 22
• 3 friction disks
• 7 springs
• 2 metal discs
• met Spacer clutch cover 1,0mm

FITS :

SIP Scootershop got together with Denis Innocente at DRT and took on solving a problem concerning Largeframe models produced between 1946 and 1957. The original clutch units are no longer available for these models. The only chance, up till then, to obtain replacement was on the used market, at mostly astronomical prices. We have now developed and produced together a new version of this clutch type with many ‘state of the art’ updates which guarantee a comfortably ideal light clutch action, even with increased performance motor set ups.

The precision CNC milled components and the newly developed clutch base plate ensure an optimal transfer of power through the clutch cluster assembly. The version we produce especially for the VESPA GS models has an inner mounting cone profile perfectly dimensioned to fit the GS models crankshaft end profile. The amount of spring guides in the clutch basket has been raised to 12 in the 86mm outer diameter version, 24 in the 96mm outer diameter version and 28 in the 115mm outer diameter version. The original clutch springs, supplied originally with the third generation PX EFL/Lussomodels and the COSA, are supplied for use with these clutch kits. A total of six springs are sufficient for standard motor set ups in the 86mm outer diameter version, twelve springs in the 96mm outer diameter version and fourteen clutch springs in the 115mm outer diameter version. For more performance orientated motor set ups we recommend the maximum number of springs be included in your basket as is possible! The relative cohesive pressure between the clutch plates will be increased and clutch lever operation is made easier. The slightly modified positioning of the clutch spring cups leads to a pre-load effect on the springs and helps effectively to eliminate spring rattle during operation. While assembling the clutch cluster a small screwdriver can prove helpful to position the clutch springs accurately. The smaller clutch back plate bush, including needle bearings is replaced with a larger, more modern version, without needle bearings. Overhauling your motor and clutch plate replacement is made much easier. The thrust washer from the later VESPA models is also included with this clutch kit. If you are ordering this clutch assembly for the V 98/V 1-33T or the VN/VL VESPA models, the relevant primary drive cog specific to you particular model is included in the delivery.

The original  primary drive cogs can be used with the VESPA GS 160 and PX models. Some clutches also need to be equipped with both clutch friction and separation plates. Regular VESPA PX 200 plates are ideal, but need to be modified slightly to fit properly. Alternatively, the DRT clutch plates are also fit for the job, without any modification necessary. Some VESPA models may need slight modification in order to fit these clutch kits, with either a clutch cover gasket surface spacer being used between the clutch cover and the crankcase or through removal of metal from the inner side of the clutch cover itself.