Variator and clutch tuning?

[az_slynch]

This bit is what you're talking about, right?

http://www.scooterworks.com/ncy-secondary-spring-seat--gy6--products-1310.php

[MotoRandy123]

Yes, that should raise the spring 1/8" or so.

You could change the spring but most GY6 springs are 87mm ours is 135mm.
I checked a lot of different service manuals to see if there were standard sizes
but they all are different.