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Technical - Singles


Camshaft	Manx camshafts 1951 to 1963
Gearbox	Gear identification 1939 to 1945
Miscellaneous	ES2 oil filtration
	Tuning Post-Vintage OHV Single
	Tuning Data - Models 30M and 40M Previous to 1951
	Tuning Data - Models 30M and 40M 1954 - 1955
	Tuning Data - Models 30M and 40M 1956
	Tuning Data - Models 30M and 40M 1957-8-9
	International - Engine Maintenance Supplement
	Preparation for Racing - Notes from the Norton Works

News: * Website upgrade * Dec 08, 2018; Meeting minutes Dec 01, 2018; Ian Somerville Nov 16, 2018; 2019 AGM Nov 11, 2018; 2019 Classic Calendar Oct 05, 2018; EC meeting minutes Oct 04, 2018; 2019 International Rally Aug 17, 2018; More news…

Upcoming Events: 2019 AGM Apr 14, 2019 11:00 AM - 04:00 PM — National Waterways Museum South Pier Road, Ellesmere Port, Cheshire, CH65 4FW; 2019 International Rally Jun 20, 2019 - Jun 24, 2019 — Schansdijk 3, 8263 AZ Kampen, The Nethelands; Surrey Branch at the Brooklands Motorcycle Show Jun 30, 2019 10:00 AM - 04:00 PM — Brooklands Museum, Brooklands Rd, Weybridge KT13 0SL; The Rampart Rally Jul 26, 2019 - Jul 28, 2019 — Morpeth Rugby Football Club, Grange House Field, Mitford Road, Morpeth, Northumberland, NE61 1RJ; Burnout 2019 Aug 31, 2019 10:00 PM - 04:00 PM — Donington Hall, Castle Donington, Derby, DE74 2SG; Upcoming events…