Sport · 1928
G6 Bigport
Technical Overview
1928 AJS G6 Bigport Technical Analysis & Specification Breakdown
Engineered by AJS for the sport motorcycle segment, the 1928 AJS G6 Bigport pairs a 349 cc (21.3 cu in) single cylinder, two-stroke architecture with road-focused gearing. 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
Final Drive Chain (final drive)
Wheels & Brakes
Wheels Spoked
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