Factory customs – love them or hate them, they’ve been an intrinsic element of the Japanese motorcycle scene since the latter part of the 1970s.
Kawasaki was possibly there first with their Z650CSR which revised the groundbreaking middleweight four, opening it up to the AmericanKawasaki’s Z400/440 got the treatment, as did Yamaha’s XS400, and when Honda camped up the CX500 it looked like everyone was getting in on the act via the cheapest route possible.