Pinasco Clutch Bell 7 springs Vespa PX200 / Rally
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Description
Andrea Pinasco was one of the first mechanics who successfully tried to improve the performance of classic Vespa scooters, and his company Pinasco consequently became one of the household names for Vespa tuning. Carburetors, cylinders, exhausts, crankshafts - everything to make your vintage Vespa run better and faster.
Pinasco Clutch Basket 7 springs Vespa PX200 / Rally, for 7-spring clutch. Replacement for clutch basket included in the Pinasco clutch kit (6 springs). All clutch components can be reordered separately.
The basket is reinforced, made of hard-wearing steel, with an extra reinforced outer ring to avoid warping. In addition, it is protected against wear and tear by a very resistant coating.
For Pinasco clutches with 7 springs. Recommended for 177cc, 215cc and 225cc.
The function of the clutch bell
Even though the clutch bells of scooters (centrifugal clutch) and clutch baskets of motorcycles (with multi-plate clutch) look different, their function is basically the same. What changes is the way they are actuated.
On a scooter or moped with a centrifugal clutch, when the engine revs up, the clutch shoes spread and engage the clutch bell and cause it to rotate. The bell then drives the transmission, which in turn turns the wheel.
On a motorcycle or motocross bike with a multi-plate oil bath clutch, the lined clutch plates engage the plain metal plates, which in turn drive the bell to rotate the transmission and wheel. When the clutch is actuated, the lined discs no longer engage the plain discs and rotation comes to a halt.
In short, the bell ensures that rotation is transferred from the engine to the gearbox and wheel.
Clutch bell: performance
With a tuning clutch bell, it is possible to improve performance or reliability.
Choosing materials like steel instead of aluminum provides greater durability. The heavier weight of steel also leads to higher inertia, which in turn can lead to higher torque. This is the case with the Hinson Momentum bell, for example.
A bell can also have cut-outs to improve cooling and thus prevent wear. Therefore, on scooters, you often find ventilated racing clutch bells. Also in motocross, some clutch bells have more cut-outs than others.
In summary, the weight and ventilation of a clutch bell affect the overall performance of the engine.
How to replace a clutch ?
Pinasco Clutch Bell 7 springs Vespa PX200 / Rally | |
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Article no. | PIN-25090601 |
Weight | 0,30 kg |
Brand | Pinasco |
Product type | Clutch bell |