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We highly recommend that you begin by upgrading the variator roller weights before engaging
in any performance upgrades. This is the simplest of upgrades and the least expensive for the consumer. We suggest keeping a
couple size on hand . This is a minimal investment and offers a maximum return.
The main rule for tuning
variators is: the lighter the roller the more rpm’s are needed to push the rolls outwards through centrifugal motion
to set the gear change in motion. Heavier roller weights need lower rpm’s to start moving.
Heavier roller weights
= slower take off speed, more acceleration, = higher maximum speed.
Lighter roller weights =faster take off speed, less
acceleration = lower achievable speed.
The right balance is an individual choice since a scooter racer will want
heavier weights to achieve a higher overall speed so that they might be faster at full throttle. For daily use a driver might
prefer lighter weights for more power to take off faster at a stop light.
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