Royal Enfield is adding fuel injection and unit construction engines to its entire range. The move comes in an effort to keep the machines -- which are based on 1950s models -- compliant with contemporary emissions regulations. Purists be damned, the technology brings several key benefits.
Not only does the new 500cc single-cylinder engine produce 27.5bhp and
30.5lb/ft (up from 22 and 26.5), but by combining the gearbox and
engine into the same casing, despite the exhaust catalyst, the whole thing should be significantly
lighter too. The classic 84mm bore and 90mm stroke are retained, so
other than better performance, better fuel economy, better reliability
and reduced emissions, Enfield aficionados shouldn't have anything to