We’re always intrigued to see what custom motorcycle builders get up to when there’s no brief, or client, involved. Personal projects either lead to wild experimentation, or they turn out as honest builds, devoid of the need to impress anyone.
No points for guessing which camp this Kawasaki KZ750 belongs to. It comes from German custom builder Holger Breur, who picked it up in boxes with the goal of building something simple and tidy for himself. Or, as he puts it: ?I just wanted to build a really nice classic motorcycle again.?

Holger’s a full-time electrician based in Husum, a German town on the banks of the North Sea. He runs his workshop HB-Custom as a sideline gig, but still managed to cram this 1977-model KZ750B into a two-month timeline. It probably helped that he’d built a few KZ’s in the past, and had some leftover parts lying around, too. It wasn’t all easy going though?the KZ was a true basket case, with the motor in the exact sort of condition you’d expect.

Holger sent the engine on over to Ingo Wurbel at Old School Superbikes for a rebuild. It came back as good as new, with fresh pistons, valves and bearings. And it’s just as clean on the outside too, with contrasting polished and black finishes.
Holger also changed the intake to a pair of Mikuni TM34 carbs with K&N filters, and added new exhaust headers with classic reverse cone mufflers.

He then tore out the 43-year-old wiring, and re-wired the bike ...