From Honda Wiki

The Honda CB250 Jade is an upright style version of the Honda CBR250. The CB250 Jade is the predecessor of the CB250 Hornet. The bike boasts a four-cylinder engine borrowed from a CBR250, front and rear disk brakes and a six-speed gear box. The Jade redlines at 16000 rpm, produces Convert/bhp and has a 0-100 speed of between 5 and 6 seconds (depending on how much the rider weighs).