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Royal Enfield J Series
80 Years of Evolution
The Enfield Bullet
Speedway Hero and the Twostroke V8
Built by James Howarth of Oldham.
2¾ h.p. J.H. four-stroke and 2¾ h.p. J.H. two-stroke models, 1914
J.H. T.T. 3½ h.p. M.A.G. V-Twin 1914
The new 6 h.p. J.H. three-speed sidecar machine, 1914
J.H. 2 1/2 h.p. Two-stroke Motorcycle 1914
JH 269cc c.1916
JH 269cc c.1916, Rear Wheel
JH 269cc c.1916, Villiers Engine
JH 269cc by James Howarth, 1916
JH 269cc c.1916 Front Forks
JH 269cc Villiers Engine, Flywheel Side. 1916
British Motorcycle Books
Increased torque and peak power for BMW Twins.