Engine. AJ5. Design and Manufacture
Twin Cylinder (84x 90 m.m. Bore and Stroke, 996 c.c. capacity)
Dry Sump Lubrication with Auxiliary Feed to Cylinder Wall.
Detachable Cylinder Heads
Aluminium Pistons.
Roller Bearings to Big Ends of Connecting Rods.
Ball Bearing Main Shafts.
Three-speed Countershaft Gear.
Hand-controlled Clutch.
Footstarter with enclosed operating mechanism
A.J.S. Patent Quick Detachable Front and Rear Wheel, 26 x 3.50 Wired-on Avon Heavy Non-skid Tyres.
Roller Bearing Hubs.
Adjustable Handlebars with Steering Damper.
Improved design Front Forks.
Amal Carburettor with Twist-grip control.
Footboards.
Internal Expanding Front and Rear Brakes, quick adjustable.
All Chain Transmission ("Hans Renold").
Primary Drive entirely enclosed.
Rear Drive, top half only is covered.
Adjustable Needle Valve Oiling to Front Chain
Lycett "Aero" Saddle, adjustable.
Complete kit of Tools.
Smith's Speedometer fitted in Tank and driven by Gearbox Trip £2:5:0 extra Non-Trip £2:0:0 extra
Magdyno Electric Lighting Set, as illustrated, £5: 10:0 extra
Source: AJS 1930 Factory Catalogue