KYMCO AK 550 Service Manual page 255

7.CVT Continuously Variable Transmission
AK 550
Tighten the bolt of the fitting tool to compress the spring.
Secure the spring compressor tool in a vise. Loosen the plate nut with the socket.
And r emove the plate nut of driven pulley set.
Loosen and remove the spring compressor tool.
Remove the collar of spring.
7-11