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Polini
Article no.: U245.010

Clutch Springs Polini d=105mm

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Description

Tuned engines are of course showing what they're capable of at high rpm mostly, but have a tendency to perform poorly at low rpm. Poor off-the-line acceleration is one of the things you'll see a lot with these engines. To avoid that your engine underperforms like this, Polini has these clutch springs for stock clutches coming in different strengths. Definitely something you should get if you have a sports exhaust.

Polini Clutch OEM with 2 clutch shoes.

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Notes and Safety

Clutch springs

No matter what kind of clutch is used on your bike (multi-plate wet clutch, centrifugal clutch ...), springs are always needed for clutch engagement. These springs do not all look the same, but they have more or less the same function, namely fot the clutch to engage / disengage.

In multi-plate clutches like those found in supermotos, motocross bikes, and motorcycles with manual transmission, the springs fatigue and shrink over time, and when they eventually become too small, the clutch will slip.
On motocross bikes, you also see diaphragm springs (KTM type) more and more often. In this case, the spring is a sort of large, domed disc. It needs to be replaced when it gets too flat, which also leads to clutch slippage.
There are also dry clutches (Ducati type) that are sometimes found on tuned 50cc bikes. The springs are similar to wet clutches.
On scooters with a centrifugal clutch, the springs will gradually lose tension, making clutch engagement increasingly spongy.

Technical details
Clutch Springs Polini d=105mm
Article no.U245.010
EAN8054705080029
Weight0,03 kg
BrandPolini
Product typeClutch springs
Clutch diameter105mm
Spring rate+13%
Compatible vehicles for this article
Aprilia
Benelli
Beta
Italjet
KTM
Kreidler
MBK
Malaguti
Yamaha
Customer reviews
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Re
Remi
bon ressort
c'est ressort son de bonne qualité
an
antoine
bien
bons ressorts d'embrayage de chez Polini
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