Powervalve mod - PV spring ** best YZ mod by far!!** Ciscos Spring YZ 250 - Like

I really recommend this spring
ciscos.com.au/...

[@joshuamh2]

Would it be better if you left that washer out and used the spring?

[@yamaha4902]

Whats this spring do?

[@rcuniversespeed9447]

ciscos.com.au/yamaha-yz250-power-valve-spring/

[@rcuniversespeed9447]

th-cam.com/video/VZz5-roZ3AQ/w-d-xo.htmlsi=4KV13_reI8K8_V8F