Super-light 5-disc clutch based on the Cosa2 clutch type. Up to 16.5% lighter than conventional sports clutches with steel basket.
Light&Strong
The use of 5-discs increases the possible transmittable torque by 25%. This is an important key point for the Vespa largeframe engines, with their now large displacements (over 250cc) and the resulting high torques, for a permanently resilient engine concept.
Basket, hub & springs
The Benelli clutch is designed as a heavy-duty high-end solution and uses a special profile between the hub and clutch basket, as BGM PRO has done for 12 years with its Superstrong clutches. The clutch bush is also provided with a circumferential lubrication groove. With 10 spring positions, a sufficient number of spring positions are available. Benelli uses the same spring dimensions as those installed in conventional Cosa2-type clutches. Individual fitting is therefore no problem with the numerous springs available on the market.
Linings&friction plates
The clutch linings are also identical to those of the classic Cosa2. This means that BGM clutch facings, for example, can also be used without any problems. The lining lugs that engage in the basket have the classic 16 mm width. Despite the narrow friction surface, this is therefore not the Honda CR80 pad type (with 18mm width). The friction discs (metal, Benelli-specific), on the other hand, are 1.2mm thick and therefore significantly thinner than those of conventional 4-disc clutches (1.5mm).
Pressure plate & retaining ring
The Benelli clutch has a pressure plate with bearings. This is fixed in the basket by means of an O-ring. The pad pack is held in place with a solid retaining ring. This is provided with holes for a circlip pliers.
Clutch pinion
The clutch is supplied without a clutch pinion. All conventional Cosa2-type sprockets can be used (see accessories). This allows the clutch to be adapted to any application (straight or helical).
Modifications
The clutch uses a slightly enlarged clutch basket. The clutch cover must therefore be adapted accordingly or replaced with one that already fits (e.g. BGM8294S or BGM8294B).
Oil
We recommend a high-quality oil such as Motul 7100 10W-40 or Castrol MTX 75W140)
Scope of delivery
The clutch is supplied complete, except for one clutch pinion:
Clutch basket made of high-strength Ergal (Øa=118mm)
Clutch hub (steel) with thrust washer & bushing
Clutch springs (10x)
Pad set (narrow pad lugs, narrow pad surface like CR80, aluminum pad carrier)
Bearing-mounted pressure plate
Washer for crankshaft
Clutch nut (flat) incl. washer
Circlip for basket
CONCLUSION: Noble clutch solution with the highest possible load capacity and low weight
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