To get the Cruise's carburetor motor going use the choke lever located on the handlebar; it warms up quickly. Once underway, the engine is mostly smooth, with some light vibration coming through the seat, grips and footpegs. There's a decisive "thunk" when you shift down into ...

What it is: Hugely influential bike, named after a Japanese sword. Looks fantastic and handles better than the stock GSX, on which it was based. Not a big seller in the Eighties due to its cutting-edge looks, but now an acknowledged classic. Starting to get expensive. Others ...

There are a variety of options in synchro­nizing devices, from homemade to high- tech. We evaluated the Morgan Carbtune Pro. Technically this device is a mechanical manometer; no electrical connections are involved. Originally developed in 1979, the first Carbtune incorporated mercury as the operating medium. ...