Sport · 1927
G6 Bigport
Technical Overview
1927 AJS G6 Bigport Technical Analysis & Specification Breakdown
Built around AJS's sport motorcycle platform, the 1927 AJS G6 Bigport features a 349 cc (21.3 cu in) single cylinder, two-stroke configuration. Internal engine geometry specifies a bore and stroke of 74.0 x 81.0 mm (2.9 x 3.2 inches).
Within MotoLibrary's AJS archive, this model family spans 7 indexed model years from 1922 to 1928, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement 349.0 ccm (21.30 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Bore x Stroke 74.0 x 81.0 mm (2.9 x 3.2 inches)
Fuel System Carburettor. Binks
Fuel Control Overhead Valves (OHV)
Ignition Lucas Magneto
Transmission
Gearbox 3-speed
Final Drive Chain (final drive)
Wheels & Brakes
Wheels Spoked
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