Engine A.J.S. Design and Manufacture.
Inclined Single Cylinder. Side by Side Valves. (84 x 90 m.m. Bore and Stroke. 498 c.c. capacity).
Dry Sump Lubrication with Auxiliary Feed to Cylinder Wall.
Detachable Cylinder Head. Two-port Exhaust.
Aluminium Piston.
Roller Bearings to Big End of Connecting Rod.
Ball Bearing Main Shafts.
Semi-Cradle Frame with Duplex Chainstays.
Three-speed Countershaft Gear.
Footstarter with enclosed operating mechanism.
Hand-controlled Clutch.
A.J.S. Patent Quick Detachable Rear Wheel, 26x 3.25 Wired-on Avon Heavy Non-skid Tyres.
Improved Design Front Forks
Adjustable Handlebars with Steering Damper.
Amal Carburettor with Twist-grip control.
Internal Expanding Front and Rear Brakes, quick adjustable.
Footrests adjustable to any position.
Adjustable Needle Valve Oiling to Front Chain.
All Chain Transmission ("Hans Renold").
Lycett "Aero" Saddle, adjustable.
Lucas Magneto mounted behind Engine.
Spring-up Stand fitted underneath bottom bracket.
Detachable Rear Carrier.
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