If you’re a fan of Japanese inline fours, this is your week. We’ve lined up Kawasaki GPz1100 and Kawasaki KZ1000 restomods, and a Honda CB750 cafe racer. Then we go in the opposite direction, with a look at Harley-Davidson’s new Pan America adventure tourer.

Kawasaki GPz1100 by dB Customs The 80s was a fantastic era for superbike development. Bikes were simultaneously shedding the UJM styling of the 70s, and getting faster?and the GPz1100 epitomizes that, making it ripe for the restomod treatment.
This wild GPz comes from Darren Begg at dB Customs in Canada, who has a thing for throwing performance upgrades at 80s bangers. This project was no different, and features everything from an engine rebuild to new suspension components.
Inside the motor you’ll find a set of 1,170 cc forged Wiseco pistons with upgraded cams. The carbs are 35 mm Keihin FCRs from JB-Power, and the exhaust is a hand-bent four-into-one titanium unit. The clutch has been converted to a hydraulic system, with Spiegler clutch and brake lines throughout.
Moving to the running gear, Darren modified a Suzuki GSX-R600 swingarm to work with the Kawasaki, then installed Öhlins suspension components at both ends. The wheels are forged aluminum items from OZ Racing, and the brakes are from Brembo.

The bodywork and graphics are still period correct, with Sketch’s Ink responsible for the paint and Cerakote work, and not a single vinyl decal in sight.
From the billet aluminum ...