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Malossi
Article no.: M297045.Y0

Torque Spring Malossi Minarelli / Morini

from 8,60 €
8,60 €

incl. tax, plus shipping

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Description

Malossi contra springs

Contra springs, or torque springs, from Malossi in 3 different strengths. Suitable for Malossi Multivar and original CVT.

Malossi torque springs for horizontal Minarelli and Morini engines. These springs are a decisive factor in the transmission of power from the engine to the rear wheel, as they control the function of the variator and prevent the belt from slipping.

The Malossi springs are made of heat-resistant special steel, which guarantees a long service life even under heavy use.

Note: Suitable for Derbi Start / 3 / 5 models when fitted with Minarelli horizontal pulleys.

Specifications Malossi contra springs Minarelli:

Torque Spring reinforced white

    • Hardness: 30% harder than the original
    • Spring resistance: 3.5k
    • Dimensions (outer diameter x length): 53.1x110mm
    • Thickness: 3,6mm

Torque Spring super reinforced yellow

    • Hardness: 35% harder than the original
    • Spring stiffness: 3.8k
    • Dimensions (outer diameter x length) 53.5x115mm
    • Thickness: 3,7mm

Torque Spring Racing red

    • Hardness: 40% harder than the original
    • Spring stiffness: 4.7k
    • Dimensions (outer diameter x length) 53.7x110mm
    • Thickness: 3.9mm
Questions about the product
 
 
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 Malossi yellow Yamaha Aerox / BW's
Article no.M297045.Y0
EAN4260088511713
Weight0,09 kg
BrandMalossi
Product typeTorque spring
Clutch diameter105mm
Spring rate+35%
ColourYellow
Colour versionYellow
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Customer reviews
4,51
140 Ratings
93
 
29
 
16
 
1
 
1
 
Dv
David v.
Riding style:
Professional racer
Usage:
Daily
Experience:
Experienced rider
Age:
Product quality:
Value for money:
Expectations met:
Recommendation:
nitro
parfait bon démarrage avec kit 50 artek plus carbu 17.5 Vario carenzi avec galé Artek 0.5g plus pot léovinci tt je pren 85 a fond
EH
Enzo H.
Riding style:
Usage:
Experience:
Age:
Ressort malossi
Le ressort rouge convient parfaitement pour kit 70cc
Di
Dimitri
Pour booster
Parfait
Be
Benjamin
ressort de pousser
le ressort fait ce qu'on attend de lui ,tres efficace
An
Angélique
qualité
belle finition et répond au atente
Al
Alban
Malossi La référence
Ressort renforcé blanc +30%,
idéal pour kit fonte 50 à 70
La
Lamri
ressort jaune et rouge
les meilleurs ressort pour un réglage parfait de la variation jaune pour un cylindre origine avec pot et carbu sur un nitro et rouge pour un top rose
Sy
Sylvain
LE JAUNE LA BASE
Marche fort sur une config type : 17.5 / 3.5Galet / Pot YasuR / MoteurPolini / VarioGP / Embray Stage6Sport
La
Laurent
ressort de pousser
super efficace le rouge malossi qualite certifié,meme si ce n'est qu'un ressort
Mi
Michael
ressort
la qualité malossi,
très bien étudié !!
Fo
Fou
Top
Malossi quoi rien à dire
Ar
Arnaud
Ressort poussée jaune
Prix raisonnable excellente qualité fonctionne nickel avec 75 Malossi replica
Lo
Loic
COURROIE
RESSORT BLANC IDEAL POUR ORIGINE
Ch
Charlie
Resort
Toujours satisfait bonne qualité
Na
Nadir
Ressort Molossi
Le jaune est idéal avec un 70 alu sport de Qualité incomparable
Dy
Dylan
ressort de qualité
ce ressort est très résistant top du top malossi
Ma
Mael
Favorable
Très bon produit idéal pour l'origine
ne
nestor
malossi
bon ressort
    Write a review
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