'upgrades' I did to Burney:
'Tufonised' with a 1951 iron 500cc single port and '51 BA .
milled the post '53 crankcase vent in behind chaincase.
extended this crankcase vent and the timing case vent (done away with the ball valve) with rubber tubing to near rear wheel spindle.
A664 cam wich is the prewar Red Hunter cam and post war Sidevalve cam, 29mm above rim of head with cam down.
Monobloc 389 with chrome slide on Norton Commando inlet track to clear top of dynamo.
Alton 12V generator, latest version that actually works. http://alton-france.com/generators/#gen2
Beck Elektronika electronic ingnition https://www.beckelektronika.nl/
made oil level sight from clear tubing on primary chaincase from oil level hole to a newly made hole at lowest point (position where the drain plug is on later swingarm cases).
Camshaft housing oil level modification to have cam dipping in oil.
23T front sprocket, the rest standard.
12V LED front http://www.dynamoregulatorconversions.c ... s-shop.php
12V LED rear from Beck Elektronika.
12V Odyssey PC310 battery
Garmin Zumo 390LM.