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WM1x21 (f), WM2x20 (r). Chrome rims with bolt on rear sprocket.
Plain inverted U section, unvalanced. Rear with detachable main section. Front & rear with flared end.
‘Aero’ 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. Cut out under the tank for access to the sparking plug.
4 valve 499cc with aluminium bronze open valve cylinder head, parallel inlet valves and radial exhaust. 14mm central plug. BTH KD1 D4 magneto and DM3G dynamo. Oil feed to rear of cylinder. Cast alloy rocker cover with cast ’R’ motif.
8” front and rear, coupled with aluminium shoes.
Miller 8” headlamp with No 832 8-0-8 'Lighthouse' ammeter and 29E rear lamp. Lucas HF1441 electric horn mounted on special frame lug on rear downtube.
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 29/146 with Binks twist grip control.
Twin 1 3/4"” low-level downpipes into barrel silencers and plain tailpipes.
120MPH trip speedometer and matching ‘Revulator’. Mechanism shield, battery cover, licence holder, Cast central stand with lifting handle. 1” handlebars with long front brake lever. Two toolboxes fitted to either side of machine. Steering damper and handwheel operated fork shock absorber. Lycett No 6B pillion pad. Round tubed forks.
Upswept exhaust pipes, pillion footrests, Rudge quickly detachable and interchangeable wheel on Watsonian or Swallow sidecar.