Engine. Twin Cylinder 7.70 h.p., 76 x 85 m/m bore and stroke.
Lubrication. Mechanical pump, sight feed on tank. Hand pump. Oil supplied to front chain by by-pass valve on timing case.
Transmission. 5/8in.× 3/8in. roller chains, front and rear. Front enclosed, rear efficiently protected. Cast aluminium chain cases extra. Cam-faced cush drive fitted to engine shaft.
Handlebar. Touring or semi-sporting, adjustable.
Tank. Capacity : Petrol 2¼ gallons. Oil 3 pints.
Wheels. Quickly detachable and interchangeable. Taper roller bearings to hubs.
Tyres. Dunlop cord, 26in. x 3.25in., W.O. 27in.× 4in. W.O. Balloon tyres can be fitted at an extra charge.
Brakes. 7in. diameter. Rear brake operated by heel pedal on right.
Saddle. Spring seat, de luxe type.
