1970 Norton Commando

ABOVE: The 1970 Norton Commando came in a new guise: The Norton Commando Roadster, or Type R. A new tank & seat, conventional rear fender & those voluptuous upswept pipes! Establishes the 'Commando look' in the public mindset.

NEW ROADSTER
The 1970 Norton Commando line grew to three models, then shrunk back down to two again by years end. What started in 1968 with one model, the Norton Commando (with Fastback styling, but not yet using that name), then grew in 1969 to two models, the Commando Fastback (now using this name to differentiate itself from other Commandos) & the Commando Type S (Street Scrambler) with high pipes on the left side. Now for the 1970 model year, a third model was added, and the one that would come to symbolize the Norton Commando & Norton Motorcycles as a whole. The Commando Type R, was called the 1970 Norton Commando Roadster. It had the same tank & seat at the Type S, but with attractive down pipes & tastefully upswept reverse-cone silencers. The whole package looked fantastic. In fact, after all these years, the Norton Commando Roadster still looks great.

MODEL DESIGNATIONS RESHUFFLED
Part way through the 1970 model year, the Type S was dropped from the lineup. The Fastback got the same upswept reverse cone mufflers as the Roadster & became the Fastback MkII. The Roadster, now the only other model, was still considered a MkI. These designations would all be reshuffled again for 1971.


RUNNING GEAR
Both bikes came with slimline Roadholder forks without gaiters. The Lucas handlebar controls were now integrated into the lever pivot blocks. Sealed ball races were now used for the headstock, which worked extremely well.

MACHINE OF THE YEAR
Motor Cycle News awarded its prestigious "Machine of the Year Award" to the 1970 Norton Commando, based on a poll of their readers. Today, we'd call this the "Peoples' Choice Award". The Commando won this honor every year from 1968 to 1972.


1970 Norton Commando SPECIFICATIONS

Model designation:


Original Price:


Engine type

Displacement

Bore & Stroke

Compression

Carburetors

Ignition

Engine output

Oil system

Oil capacity

Primary drive

Clutch

Gearbox

Ratios, overall:

1st, bottom

2nd

3rd

4th, top

Final drive

Frame type

Suspension, front

Suspension, rear

Brake, front

Brake, rear

Wheelbase

Seat height

Weight

20M3, Fastback

Type S, Scrambler

$1,449.00, Fastback

$1,450.00, Scrambler

Air-cooled OHV parallel twin

746cc / 45 ci

73mm X 89mm / 2.875" X 3.503"

9.0:1

2- Amal Concentric, 30mm

Battery & coil, Lucas

58 bhp @ 6500 rpm

Dry sump

6 pts

Triplex chain

Multi-plate diaphragm, wet

4-speed constant-mesh, right-foot shift


12.40:1

8.25:1

5.90:1

4.84:1

Chain

Welded double cradle, Isolastic Suspension

Telescopic fork, hydraulic damping

Swing Arm, 2 dampers, Isolastic mounts

8" TLS drum, full width

7" SLS drum, full width

57.1"

31.3"

431 lbs


A WORK IN PROGRESS
In our efforts to complete our online index, and make this the world's greatest website about classic British motorcycles, we're building pages as fast as we can. The first thing we add are the pictures. Then come the specifications and then the history. So, if you see a page that just has only pictures on it, or just pictures and specs, please check back in a few weeks to see if we have it done. Thanks for your patience. And thanks for visiting Classic-British-Motorcycles.com. Please tell your friends about us.



MORE NORTON PAGES:
Norton Motorcycles
.....Norton Manx
..........1948
..........1949
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..........1953
..........1952
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..........1959
..........1962
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..........1957
..........1959
.....Norton Atlas
..........1966
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.....Norton Commando
..........1968
..........1969
..........1970
..........1971
..........1972
..........1973
..........1974
..........1975
.....Interview with a Norton Expert


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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NEW PAGES
added this month:

1934 BSA Blue Star
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1967 Triumph Daytona
1968 Triumph Daytona
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