missing

Just got back from a ride bike cut out on the way couldn't get it started again so picked it up got it back had another go at starting when cool now lumpy as hell doesn't sound like its running on all cylinders recently changed the spark plugs apart from that haven't done much Any ideas or...

Just bought this salvage bike for 2000 and am fixing it up but idk what the missing piece is called. so i can't find it to buy it. Its for a 2008 ZX6R. its the piece in the picture right under the seat that would connect from the tank to the white tail piece. Without it the tanks moves (tilts)...

I need some advice from somebody that is familiar with fuel/water separator. Here is my long winded dilemma, just my luck... Well here is the (long) story. Filled up the tank with gas (petrol for those on the other side of the pond) on the 21st. Didn't ride for a few days due to the weather...