Bordering on insanely powerful for a motorbike. Its builder says the Kawasaki ZZ-R1400's the first of a new generation of engines which owe nothing to the outdated ZZ-Rs of he past. 197bhp with ram air is an astounding figure. Torque on the Kawasaki ZZ-R1400 is plentiful too but at low revs Suzuki’s Hayabusa out-grunts it.