Window piston reed valve

Hello,

Ok i ordered a window piston in and a reed valve. Reed valve Came first nstalled it bike ran great. Window piston came bike runs but when i give it throttle it does nothing what size jet do i need im using NT carberator. Anyone else have experiance with this.

Please help

Thanks



I didn't find the right solution from the Internet





References:

motoredbikes.com/threads/window-piston-reed-valve.51842/

Animated Explainer Videos