BSA Motorcycles 1920s

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BSA 1929 S29 493cc

Engine. Single Cylinder 4.93 h.p., 80 x 98 m/m bore and stroke.

Lubrication. Mechanical pump, sight feed on timing case. Hand pump. Oil is supplied to primary chain by by-pass valve on sight feed.

Silencer. Large capacity, with fish tail.

Transmission. Front chain, ½in.× .305in. Rear chain, 5/8in.× 3/8in. Front enclosed in two-part case, rear efficiently protected. Cam-faced cush drive fitted to engine shaft.

Handlebar. Adjustable, mounted. behind steering head. Reversible for solo or sidecar use.

Tank. Saddle type, with knee grips. Capacity : Petrol 2 gallons. Oil 3¼ pints.

Tyres. 26in.× 3in. W.O. Dunlop Cord or 26in.× 3.25in. W.O., with special front guard extra.

Brakes. Front, 5½in. diameter. Rear, 7in. diameter. Taper roller bearings to both hubs. Rear brake quickly adjustable.

Saddle. Spring seat.

Price £46.

With Lucas No. 320 Acetylene Lamps and No. 63 Bulb Horn £47. 12.s 6d.
With Lucas "Magdyno" Set and Lucas No. 60 K.P. Bulb Horn £51. 15s