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Rollers -MALOSSI 19x15.5mm- 12.0g

M669420KO
Rollers -MALOSSI 19x15.5mm- 12.0g

Description


The centrifugal weights in the variator are a wearing part and must be replaced at regular intervals depending on the load (wear check approx. every 5000km).

A wear of the rollers is characterised by a flattening on one side, the rollers can then no longer slide properly in the variator's raceway. This results in poor acceleration and often a lower final speed as the variator can no longer be fully extended due to the reduced diameter of the rollers.

To prevent premature wear, we recommend a dry lubricant based on PTFE instead of grease. This lubricant is not thrown out after a few revolutions like grease, but remains permanently in the variator.

NOTE: Please check which weights must be used in your variator before ordering. Often used cars are equipped with sport variators that use a different weight size than the original ones.
Therefore you will find sizes in your choice of vehicle that are not originally used in your vehicle.



Tuning tips

  • Heavier weights than original reduce the speed at which the scooter accelerates from about 10-50km/h.
  • Lighter weights than the original increase the speed at which the scooter accelerates from about 10-50km/h.

  • Only if the engine, for example through a different exhaust, only at higher speeds than the original develops its full power, the weights should be selected lighter. Otherwise the engine will not turn at all, so despite higher rpm it has less power and accelerates correspondingly worse, even if it sounds more sporty.


    Ideal for tuning are sets with different weight classes. You can also mix different weight sets, e.g. 3x5 grams and 3x7 grams. These must be positioned alternately in the variator to avoid imbalance. In our example you would get the arithmetic average of 6 grams. The only disadvantage is the somewhat faster wear of the heavier weights.


    First after tuning the variator, the clutch springs should be chosen accordingly. Otherwise they are often chosen too hard to compensate for the heavy variator weights.



    There is only one set of weights with which the scooter has its best performance and acceleration. You cannot influence the final speed with the weights unless they have been chosen so lightly that the motor has no force to counter the counter spring.



    The counter spring should always be chosen as soft as possible but as hard as necessary. Then the V-belt will neither slip through nor will the drive be exposed to excessive friction which would mean wear and loss of performance.

    (US)



    Weights (19x15.5) 12.0g Malossi
    AI-translation

     
    €14.55 *

    incl. VAT plus shipping costs

    Available immediately (delivery time 1-3 working days*)
    P For this item you get fidelity point/s
    Roller weights
    diameter: 19 mm
    width: 15.5 mm
    mass: 12,0g
    number of rollers incl.: 6
    number of roller sets: 1
    OEM numbers (for comparison purposes only)
    Malossi M669420.K0, 669420.K0
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    Available versions

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    Part no.: M669420Q Weight 2.70g Price
    €15.05
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    Part no.: M669420S Weight 3.00g Price
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    Part no.: M669420T Weight 3.20g Price
    €14.95
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    Part no.: M669420V Weight 3.50g Price
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    Part no.: M669420Z Weight 3.80g Price
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    Part no.: M669420Y Weight 4.00g Price
    €14.85
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    Part no.: M669420C Weight 5.00g Price
    €14.55
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    Part no.: M669420E Weight 5.50g Price
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    Part no.: M669420I Weight 6.50g Price
    €15.05
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    Part no.: M669420M Weight 7.20g Price
    €14.55
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    Part no.: M669420N Weight 7.50g Price
    €14.65
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    Part no.: M669420O Weight 8.40g Price
    €15.55
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    Part no.: M669420X Weight 10.00g Price
    €15.05
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    Part no.: M669420J Weight 11.00g Price
    €15.05
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    Part no.: M669420KO Weight 12.00g Price
    €14.55
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    Part no.: M6694202 Weight 13.00g Price
    €15.76
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    Part no.: M669420F Weight (1555) Price
    €14.55
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    Part no.: M669420R Weight 2.90g Price
    €14.55
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    Part no.: M669420U Weight 3.30g Price
    €15.05
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    Part no.: M669420W Weight 3.70g Price
    €14.85
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    Part no.: M669420A Weight 4.30g Price
    €15.05
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    Part no.: M669420B Weight 4.70g Price
    €14.85
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    Part no.: M669420G Weight 6.10g Price
    €14.55
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    The centrifugal weights in the variator are a wearing part and must be replaced at regular...Continue reading

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