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
..........1952
..........1953
..........1952
..........1957
..........1959
..........1962
.....Norton Dominator
..........1957
..........1959
.....Norton Atlas
..........1966
..........1967
.....Norton Commando
..........1968
..........1969
..........1970
..........1971
..........1972
..........1973
..........1974
..........1975
.....Interview with a Norton Expert


Check out these NORTON BOOKS


THE MANX NORTON

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NORTON MOTORCYCLES


NORTON COMMANDO, COMPLETE STORY


NORTON COMMANDO


ESSENTIAL BUYERS GUIDE - NORTON COMMANDO


NORTON COMMANDO: ULTIMATE PORTFOLIO

NORTON MOTORCYCLES FACTORY WORKSHOP MANUAL 1957-70


THE MANX NORTON


THE BOOK OF NORTON DOMINATOR TWINS


NORTON DOMINATOR PERFORMANCE PORTFOLIO


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