What is the hose coming from the oil filler cap used for? Excellent series of videos. I understand the desire to do as much of the work yourself as you can. It makes riding the bike more satisfying and enjoyable.
Hey Kawamotoeizou, how are you, I hope you are doing good, have missed your videos, ,say hello !!?... Gerry...on a KZ1000..( '77 A1 ) and the ramen...mmm !!