1970 Norton Mercury

1970 NORTON MERCURY BACKGROUND
The Norton Mercury-series ran from 1968 to 1970 and represents the last model in the Dominator family. With Featherbed Frame production having ended in 1968 with the death of the Dominator 650SS and Atlas 750, and the launch of the new Commando. Production records indicate that all Mercury's were built in 1968, right up to the end of the year, and that those that went unsold were retitled as 1969s and 1970s.
The Mercury used the Dominator's 650cc twin cylinder engine, set vertically in the Featherbed Frame. But this time it ran a single Amal carburetor, had 12-volt electrics with a capacitor that allowed running it without a battery, and being the last development in the Dominator lineage, it was made to run on unleaded fuel.

1970 Norton Mercury SPECIFICATIONS

Engine type
Displacement
Bore & stroke
Compression ratio
Horsepower @ RPM
Fuel system
Ignition system
Primary drive
Clutch
Gearbox
Final drive
Frame type
Front Suspension
Rear Suspension
Front brake
Rear brake
Front tire
Rear tire
Wheelbase
Seat height
Curb weight
Fuel capacity
Top speed
Air-cooled OHV twin
646cc / 39.5 ci
68mm X 89mm
9.0:1
47 hp @ 6,800 rpm
1- Amal Concentric carburetor
Coil capacitor
Single-row Chain
Multi-plate, wet
4-speed, right-foot shift
Chain
Double cradle “Featherbed”
Norton Roadholder forks
Swing arm w/2 dampers
TLS drum, 8-inch / 203mm
SLS drum, 7-inch / 178mm
3.00” X 19” UK; 3.25” X 19” US
3.50” X 19” UK; 4.00” X 18” US
55.5 in / 1,410mm
31 inches / 787 mm
408 lb / 185 kg
3.5 US gal / 16 L
119.5 mph / 192 km/h

Check out these NORTON BOOKS

NORTON COMMANDO: THE COMPLETE STORY


THE UNAPPROACHABLE NORTON


NORTON COMMANDO: ESSENTIAL BUYERS GUIDE


ILLUSTRATED HISTORY OF NORTON MOTORCYCLES, by Roy Bacon


NORTON COMMANDO SHOP MANUAL, Haynes


NORTON COMMANDO: ULTIMATE PORTFOLIO


NORTON FACTORY WORKSHOP MANUAL, 1957-1970


NORTON


ILLUSTRATED MOTORCYCLE LEGENDS: NORTON by Roy Bacon


NORTON 500, 600, 650 & 750 TWINS WORKSHOP MANUAL, Haynes


NORTON MOTORCYCLES FROM 1950-1986


NORTON DOMINATOR PERFORMANCE PORTFOLIO 1949-1970


ILLUSTRATED NORTON BUYERS GUIDE, by Roy Bacon


NORTON, COMPLETE ILLUSTRATED HISTORY


NORTON DOMINATOR


NORTON TWIN RESTORATION, by Roy Bacon


THE NORTON STORY


NORTON COMMANDO


NORTON FACTORY REPAIR HANDBOOK, 750 & 850 COMMANDO


NORTON ROTARIES


BOOK OF THE NORTON 1938-1956


BOOK OF THE NORTON DOMINATOR


MANX NORTON


NORTON: A HISTORY


BOOK OF THE NORTON OHV SINGLES, 1955-1963


NORTON: THE COMPLETE HISTORY


MANX NORTON SUPER PROFILE


NORTON SINGLES 1927-1966, by Roy Bacon


BOOK OF NORTON, ILLUSTRATED SHOP MANUAL 1932-1939, by Clymer


NORTON- THE RACING STORY


DOMINATOR IN THE SHADOWS


NORTON TWINS, by Roy Bacon


NORTON TWINS REPAIR MANUAL, Haynes


NORTON ROTARIES MOTOR CYCLES


THE MANX NORTON






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Last updated 12/2/16

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