Kymco air intake manifold tuning.

thingiverse

Air suction tube tuning for Kymco Agility City 50 2T scooters. The original air intake hose is a restriction. Its input and output are not the same area. I changed this. You get a lot more air with this, but you also need to mill the outside of the air filter (this is a restriction)! Remove the inner tube and fully expand the square inlet. It may also be necessary to replace the main nozzle with a larger one (much larger)! More air + more gasoline = more power. The template will help you cut out the hole. The original hole of the air filter bore must be etched so that the template is just inserted, and the flexible tube can be snap into place. More info (Hungarian): http://www.kymco.emiter.hu/