

This model featurt a vertical ingine wi alloy heid an hichter compression. The basic design wi front gaiter forks wis retained.Ī nummer o chynges wur implementit in order tae bring the bike up-tae-date. It differed in cosmetic details, as weel as in haein twa rocker boxes, whilk resultit in hichter volumetric efficiency for the ingine. This model refresht Royal Enfield's model line-up for 1939. Housomeivver, common tae motorcycles o this period, it haed a rigid rear-end, necessitatin a 'sprung' seat for the rider, whilk resultit in the iconic leuk o the motorcycle that is muckle replicatit the day, even tho the sprung seat is unnecessary in modren models. Its frame wis an aa considerably different, haein centre-sprung girder front forks, bein amang a new range o models frae Royal Enfield that featurt them, alang wi a saddle-teep fuel tank.


In 1933, a 250 cc option wis an aa addit tae the range. It differed in a nummer o ways frae its successors (whilk are nou faimiliar): it haed an inclined ingine wi exposed valve gear featurin fower valves per cylinder wi 350 cc an 500 cc options. Introduced in 1931 as a fower-stroke single cylinder motorcycle, this model wis the first tae featur the Bullet name. The Bullet haes evolved frae a fower-valve ingine wi exposed valve-gear tae the latest aw-alloy Unit Construction Ingine wi electronic fuel-injection.
