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YUMINASHI SPEED BOOSTER V.2013 VARIATOR SET FOR eSP (WITH 164CC or 175CC LIGHT BORE KIT)

● The new Speed Booster V.2013 Variator Set is developed by the YUMINASHI R&D for the YUMINASHI 164cc Light Bore kit with a number of specific criteria in mind to meet.

The first criteria was that it must be possible for everybody to reach an as high as possible top speed, even with the problematic original RPM cut from Honda.

The second criteria was to have an improved acceleration and to get rid of the problematic mid range from the standard Honda variator.

The third criteria was that it must be possible to gain optimal performance with the standard torque spring.

And the fourth criteria was to make it unnecesarily to install a special clutch so that you are good to go without extra expenses on the clutch side...


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