Frame

Numbered 52196 to 53960 (approx). Bolt on seat stays with drawback type chainstays for rear wheel adjustment.

Wheels

WM2x19 (f), WM2x19 (r) with identical hubs and chrome rims. Black spokes with NPB nipples. Bolt on rear sprocket.

Mudguards

Plain inverted U section, unvalanced front, valanced rear. Rear, with detachable main section.

Tanks

Petrol tank chrome plated with gold lined black panels. Single central CEE-ESS type filler with front fitted petrol balance. Two bolt damper arm fixing.Enots non reserve petrol tap.  Oil tank mounted in front of engine.

Engine

Numbered T1 to T750 (approx) - 4 valve 249cc with cast iron open valve fully radial cylinder head, bolted to the barrel from below. 14mm central plug. Rear mounted Lucas Maglita ignition/dynamo. Oil feed to rear of cylinder.

Brakes

Both 6 3/4”, coupled with aluminium shoes.

Electrics

Lucas 7” headlamp, CZ23 8-0-8 ammeter,  ST20 rear lamp and ‘Altette’ electric horn.

Transmission

4 speed gearbox with hand change on RHS of tank. Aluminium oil bath chaincase with ‘R’ on dome and separate filler on shock absorber dome.

Carburetter

Amal type 75/151 with straight pull Amal control.

Exhaust system

Twin 1 1/2” low level pipes into Rudge ‘can’ type silencers and 6” fishtails.

Standard Fittings

Trip chronometric 80mph speedometer, battery cover, 1” handlebars, stop light, licence holder and rear carrier. Toolbox fitted to RHS side of machine opposite the battery carrier. Steering damper and handwheel operated fork shock absorber. Pressed steel centre stand.

Extras

Smith’s 2" 8 day clock in steering damper arm and foot change. Leg shields, pillion footrests.

©  Colin Chapple