Motoring Pulse

This comparison between the Royal Enfield Guerrilla 450 Apex and the Triumph Speed 400 (350cc) is more important than many people might realise. Although the Guerrilla is RE’s second motorcycle with the 452cc liquid-cooled engine, it still is the company’s first ever liquid-cooled engine so far. And it’s going up against a company that has decades of experience in building one, even though the Speed 400 is part of a completely new platform.

A worthy challenger has arrived for the Yamaha MT-15 in the form of the KTM 160 Duke. Both are powered by a liquid-cooled...