Chadwick’s history of the Enfield India Bullet

3 Апр 2015 | Author: | Комментарии к записи Chadwick’s history of the Enfield India Bullet отключены
Royal Enfield Bullet 350 Army

The history of the Royal Enfield

By Ian Chadwick, former (Royal) Bullet 500 rider,

Collingwood, Canada. Last updated: May 24,

NOTE: This brief is cobbled from different so it is far from complete and may contain for which I apologize in advance. If you other knowledge that can this page, or can recommend source material to me, please email at the address below.

The grandfather of the Bullet was first by Royal Enfield in 1931 . a single-cylinder was introduced, given the ‘Bullet’ in 1932 . It had an inclined and an exposed valve gear. The G model was the first that the ‘modern’ look, with cylinder, cast-in pushrod and eventually fully enclosed gear. It had a gear-driven magneto and eccentric oil pump.

Over the few years the single would two, three and four-valve heads.

In 1948: The first 350 Roadster was introduced. Although it was in many ways to the 1935 G Bullet, it was a new motorcycle with design innovations. It was the first production bike with a swing arm. It also had an oil (with integral oil tank in the behind the crank) and alloy chain case.

It was a two-valve design in semi-unit style, gearbox bolted to crankcase. kneepads were on the gas tank. It had gears (one up, three like most British of that era — apparently was the oddity with high up).

A Trials/Scrambler model was introduced.

1949 The sports had an unsprung front mudguard.

Modifications include smaller mudguard and silencer, alloy nacelle and modified fork

1952: A crankcase breather was plus a sidestand. Trials gets alloy barrel. only 16 350 Bullets made year. A prototype 500cc is shown in an industry motorcycle

1953: The 500cc Roadster is introduced. The 350cc was upgraded to changes designed for the 500cc: bottom end with four bearings, improved lubrication modified frame, larger brake, single pilot under headlamp.

1954: A new (nacelle with speedometer, and twin side lights) headlamp bracket. The exhaust and rear spring and shock are The 350 got a frame lug change.

Armstrong were adopted for suspension, 50 per cent more movement.

Camshaft upgrade. The concentric and gear change lever on the plus the air filter are changed. The brake gets a twin, width hub, brake.

The 350 a monobloc carb. The bench seat is now standard, although the sprung saddle seat was available.

Around this the 500cc Bullet was also in America as the Indian Woodsman.

In the Indian government needed a and reliable motorcycle for its police and in particular to patrol the rugged highways. The Bullet was chosen as the suitable bike for the job. The government ordered 800 of the 350cc beyond the company’s ability to at the time.

With more from India looming, the sold its design to Enfield a subsidiary firm in Madras, to start manufacturing them

There was some retooling and done at the English plant in 1955 to modernize the Bullet changes in the gear ratios in ).

Between 1956 and 1960 . the was released in several models, a 350cc Trials works version, and a 350cc Clipper Technically the engines and power were the same (except for size) and the only differences in exhaust, seating, instrumentation, and gas tank. A lot of technical improvements also made in that including moving to alternator (1956) and coil ignition

The 350cc model continued in but the 500cc model was dropped in An Airflow model was also briefly, with a fairing.

Both models underwent improvements: a new frame and air filter battery/toolkit box. The engine got a floating big-end bush and head changes (separate boxes retained) and stronger end. The 500 got a monobloc carb, for charging and folding kickstart. A new seat is introduced.

The modern Enfield uses the post-56 (with metric bearing although it uses the earlier

1956 saw an all-welded, brazed-lug introduced, and also sent to

1957: Quick-detach rear was introduced as an option. The air filter was The 350 gets an alternator. The Bullet is now manufactured in India under at Anna Salal, near The tooling equipment was also to make the 350cc Bullet in in 1958.

Later the Indian upgraded to make the 500cc as well. (One printed says tooling for both was sold to India in 1967 but most agree it was 1957.) By time the English company was different ownership and that they closed the Redditch where Bullets had been so it’s possible the remaining equipment was sold to Madras at time, but they certainly had equipment in India a decade

One source, Peter Sanidal, that there were Cross (MX) bullets in this period. The 350 had a cast head, and the 500 an iron barrel. two 350s, and two 500s were into Vancouver by Frank in 1957. Carr succumbed to shortly after they and his business stood down at time.

All the MX bullets that into Vancouver for ’57 had Magdynos on them. They were equipped with lights and number plates on the frame, plus high pipes as well. They very fast bikes. The 350 blow away just anything on the street up to 70 mph or so.

He says were essentially the bikes he saw in cycle magazines of the time as the Woodsman and Warrior — models.

They were fast bikes, Snidal The 350 would blow away about anything on the street up to or so. In fact, I not only saw the original of one of them do it to just about all of us, at one or another, including a 500 Velo which was the 2nd fastest (after day) in our little pack, but 350 Vipers, (both of them) and else it came up agains.

A few later, I got ahold of it, and rebuilt/restored it, and again blew away with impunity. It had very cams (straight up, open a time, straight down the ramps were so steep is like they’d just jam the cam — and the 350’s came a 15:1 (yes!) piston. could buy real gas in those

1959: Smaller 17-inch Coil ignition. Optional fairing with deeper mudguard. Forks modified. oil pump cover plates on

350 gets larger, re-shaped gas tank, chain enclosure and wider seven-inch front (the 500 retained its six-inch drum brake). New stylish gas (also used by Enfield’s twins) Trials model heavier flywheels, and exhaust is away, but continues with

1960: Huge, one-piece cylinder head (‘Big casting, plus new, ‘chunky’ tank for 500. is also the engine design for the India Enfield Bullet. ignition is introduced.

The Royal Fury, produced at this for the US market, is essentially the same as the Bullet (both 350 and 500cc capable of reaching the 100 mph mark (a Enfield tuned by Steve in the late 1970s reached mph). It differed from the by having a larger inlet an Alfin aluminum alloy with cast liner of the Bullet’s iron) and a higher piston (8.9:1 instead of

It also had a flange for mounting an rev counter, an 18-inch rear and front wheel. Between and 1963, only 191 machines made. The 500cc boasted a 40 bhp up from the UK models’ production of 27

A 600cc model was also for a short period.

1961: end-cap fishtail silencer. model discontinued except by order.

1962: Deeper mudguard. Both 350 and 500 models The UK company was sold in 1962 and the line discontinued.

Enfield continued to churn out Bullets the way they were made in in 1955. Forty years they still do, with a few modifications (signal lights, a 28 mm carb, 12-volt electrics, a bench seat and in 1990, leading-shoe brakes). While not the motorcycle manufacturer in India rank about third, around 18,500 bikes a but have plans to increase to 25,000), they are one of its oldest.

Initial attempts to import 350 into the UK in the 1970s (by the Slater and later Evesham Motorcycles according to one source the actual of the first re-introduction was 1977), unsuccessful. The bike wasn’t up to par and the rate wasn’t very so they were not as inexpensive as are today. The Indian company had interest in making changes the few exports could garner.

In . Raja Narayan, a UK civil returned to his home in India and an export arm for the company to bring the back into England. He got his 350 into England that He was responsible for many of the production that improved sales and over the years.

Royal Enfield Bullet 350 Army

It was the prodigal son home. The bike appeared in UK shows in 1989 and at the Classic Show in Stafford in 1990. started importing them years ago, and the US in 1995 . countries now import them.

In 1995 . the Indian firm acquired the name Royal as their own. The Canadian started putting the new decals on the in early 1996. The address and for the manufacturer is:

Royal Enfield Ltd.

Attn: Mr. G. Shankar,

Post Box no. 5284



600 019

Recently, Swiss Fritz Egli has been with Enfield to improve for export models. He also performance improvements for his own retail Bullets (his models 26bhp rather than the 22) and has been discussing a five-speed with the company. He designed a version which produces and a 624cc racer (47.5 with a top speed of 160 kph (100

Neither one has made it to North yet.

A few tech specs for the four …, OHV (two pushrod);

bore …: x 90mm;

compression ratio:

output torque: 22BPH @ rpm, 3.5 kgm/3,000 rpm;

12 battery coil, dry sump positive plunger type;

multiple, oil immersed;

four constant mesh transmission, one 3 up with neutral finder;

twin lead, drum 7 in. drum 6 in.;

tires: 3.25 x 19 in. rear 3.5 x 19 in.;

consumption: 70 mpg or 25 km/ltr; size 82.25 x 27.25 x 41.5 in. x 700 x 1,067mm);

wheelbase: 53.5 in.

ground clearance: 5.5 in. (140mm);

height: 30 in. (760mm);

Royal Enfield Bullet 350 Army
Royal Enfield Bullet 350 Army


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