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WM1x20 (f), WM1x20 (r) with identical hubs. Chrome plated rims and bolt on rear sprocket.
Plain inverted U section, unvalanced. Rear, two piece with detachable main section.
Petrol tank painted with lined panels with reserve tap. Single central CEE-ESS type filler with front fitted petrol balance pipe. Two bolt damper arm fixing.
4 valve 249cc with cast iron open valve radial cylinder head, bolted to the barrel from below. Oil feed to rear of cylinder. 14mm central plug. Rear mounted Lucas 30W Maglita ignition/dynamo.
Both 6 _”, coupled with aluminium shoes.
Lucas 8” headlamp and rear lamp. Lucas electric horn.
4 speed gearbox with foot change on LHS. Aluminium oil bath chaincase with ‘R’ on dome and separate filler on shock absorber dome.
Amal type 75/151 with Binks twist grip control. Fitted with flame arrester.
Twin 1 _” low level pipes into barrel silencers and plain tailpipes.
80MPH speedometer. Stop light, Mechanism shield, battery cover, licence holder, 1” handlebars with long front brake lever. Two toolboxes fitted on either side of machine. Steering damper and handwheel operated fork shock absorber. Lycett pillion pad No 6B (4 bolt fixing). Open ended 500cc pattern round section forks with fork spring covers. Pressed steel central stand.
8 day clock in steering arm, pillion footrests, Revulator and upswept exhaust pipes.