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Variator J.COSTA EVO 2 Racing,

for YAMAHA T-Max,
500cc 4-Stroke LC
16 rollers, 16,5&14,5g

In many magazine reviews, the journalists have been amazed by the boost in performance delivery, due to the innovative technology employed within the J.Costa variomatic unit. With the 'EVO 2' version, not only are the roller weights optimised to suit each particular engine, but also the backing plate has received a special anti-frictional coating to improve efficiency and prolong the service-life of the weights! This design of variator uses gliding weights, instead of rolling types, which facilitate the variomatic to open linearly, which has proved to be a very simple but effective technological development! Its linear design is the secret of the 'turbo effect' provided by these pulleys. Compared to original items the J.Costa units offer a shorter transmission ratio at lower revs, which leads to a quicker acceleration. Simultaneously, when the weights have reached the end of their travel (pulley fully opened), they also possess a taller ratio at higher revs, providing an increase in top speed.

Please note:

This variomatic assembly is, apart from the 2008 version, delivered without a cover as the original item does the job perfectly! Due to the special graphite coating of the roller ramps on the new pulley the original cover should be thoroughly cleaned and freed from all oil and grease. The racing version includes two different sets of pulley weights to enable essential fine-tuning.


EVO 2 variomatic cover

The EVO 2 version of this variomatic pulley system was the first in the series to include a specially coated variomatic cover as part of the design. This helps reduce unwanted friction and also prolongs roller-weight life.

JC16041145 $34.39
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1,950g / piece
Stock on hand  


Product forums
icon scootermodels This product fits the following models
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
YAMAHA T-Max (Vergaser) 500 5GJ 4T LC ´01-´03
YAMAHA T-Max i.e. 530 J415E 4T LC ´17
YAMAHA T-Max i.e. 500 5VU 4T LC `04-´11

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