I picked the bike up back in 2014 with only 18k miles on the clock (condition matched), a great bike with ugly paint and crap brakes. Since then I have been constantly modifying/upgrading her (screw PC bullshit, I love her too much to call her it). I've made a couple of high speed tours of Europe without any issues. (except for a blown fuse which was due to a previous owner's attempt to modify.
1993 Kawasaki ZZR1100 D (Black)
Michelin Road Pilot 4 (excellent tyres)
GXSR 6 piston calipers, -2 teeth gearbox sprocket & + 3 rear sprocket, AIS blanking plates.
Repainted black with new badges.
Lowered rear end using ZZR600 dog bones, Dropped forks, upgraded springs and heavier oil (30wt), installed a YSS rear shock unit,
Bar risers, Renthal slightly raised straight (ish) bars, Heated grips, heated seat.
Wheel and Tire
LED lights (I had HiD headlamp but it is a fail under UK statutory annual safety inspection aka MOT )