www.zxrworld.co.uk

quite a few asking about valuations for the zxr400, a quick look up on parkers reveals the following :-

Kawasaki ZX400 L5
1996/N
Original Price £6,695
Independent Dealer £1,445
Private Good £1,310
Private Poor £600
Part Exchange £695


Kawasaki ZX400 L9
2002/51
Original Price £5,350
Independent Dealer £2,295
Private Good £1,995
Private Poor £1,070
Part Exchange £1,235

for years in between check here