Royal Enfield’s much-anticipated all-new Himalayan 450 takes an evolutionary leap over its predecessor. But how do all those sweeping upgrades to engine, chassis, suspension, bodywork, electronics and a host of other components translate into performance gains and the overall riding experience? After three incredible days in Victoria’s majestic High Country – testing this 450 on a cross-section of tarmac and off-road terrain – here’s what we can tell you...