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Malossi
Article no.: M2512828

Torque Spring Seat Torsion Control Malossi Piaggio / Peugeot

6,60 €

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Description

malossi contra spring retainer

Twisted torque springs can seriously mess with your variator’s shifting performance. Malossi tackled this issue with a specially designed spring seat for scooters with Piaggio / Peugeot / Honda / Kymco engine. The spring no longer sits directly on the clutch, which minimizes torsion and reduces vibration transfer. The result: smoother shifting and a more stable engine feel.

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Manufacturer's Details
Malossi
Via Roma 118
40012 Caldarera di Reno
Italy
https://www.malossistore.com/en/it/Contatto
Notes and Safety

Contra spring

The contra spring, or torque spring is part of all scooters and mopeds with CVT transmissions.

function of torque spring

The contra spring is located between the rear pulley and the clutch. As soon as you accelerate and the engine revs up, the spring is released by centrifugal force. This causes the front pulley to open, which in turn causes the V-belt to move outward on the CVT front pulley. The transmission ratio changes in favor of higherspeed. When the scooter slows down and the engine speed is reduced, the torque spring is compressed again and the V-belt returns to a lower position on the front pulley.

soft or hard contra spring?

The choice of torque spring depends on different engine components, you need to find the right balance here.

  • A spring that is too hard cannot fully expand. Acceleration is improved, but the V-belt cannot move outward to the maxi and top speed will be lowered.
  • A spring that is too soft will relax too quickly, affecting the pull of your scooter.

Tip: To determine whether the V-belt can move to its maximum achievable position, you can mark the maximum position with a felt-tip pen on the CVT. If the mark disappears, this indicates that the belt actually moves up to the max position, i.e. the spring is not too hard.

How to change the torque spring ?

Technical details
Torque Spring Seat Torsion Control Malossi Piaggio / Peugeot
Article no.M2512828
EAN4260088514455
Weight0,02 kg
BrandMalossi
Product typeTorque spring
Compatible vehicles for this article
Aprilia
BSV
Daelim
Derbi
Gilera
Hercules
Honda
Italjet
Kymco
Peugeot
Piaggio
SYM (Sanyang)
Sachs
Vespa
Customer reviews
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