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1972 Norton 750 Commando Mark IV ‘Fight’
With Phil Aynsley
The Norton Commando was launched in 1967 because the substitute for the corporate’s 750 Atlas.
It was initially supposed to have a very new 800 cc DOHC parallel-twin engine however that was deserted, as was a less expensive redesign.
In the long run a modified Atlas motor was used, with the most important visible distinction being the ahead angled cylinders.
Design consultants Wolff Ohlins got here up with the look of the fibreglass tank/seat and ex-Rolls Royce engineer Dr Stefan Bauer (who had been concerned with the 800 cc engine) produced a brand new body that featured rubber mounting for the motor.
Later the corporate’s Chief Engineer Bernard Hooper needed to modify the body and thus the corporate’s “Isolastic” body was born.
The unique Commando was renamed the Fastback in 1969 and advanced by to the 1973 Mark V model. The bike seen here’s a 1972 Mark IV.
It has the “Fight” motor that proved to be considerably problematic within the reliability stakes, regardless of offering 65 hp at 6500 rpm.
Different 750 cc Commando fashions included the ‘R’, ’S’, Interpol police model, Roadster, ‘SS’, Hello Rider and Interstate.
850 cc fashions have been additionally developed with the ultimate Commando being produced in 1977.
Norton 750 Commando Specs
| Norton 750 Commando Specs | |
| Engine | Air-cooled, four-stroke parallel-twin, push-rod OHV, two-valves per cylinder |
| Capability | 745 cc |
| Bore x Stroke | 73 x 89 mm |
| Compression Ratio | 9.4:1 |
| Induction | Twin 30 mm Amal concentric carbs |
| Max Energy | 65 hp @ 6500 rpm |
| Gearbox | 4-speed |
| Entrance Suspension | Telescopic forks |
| Rear Suspension | Twin rear shocks, five-way preload adjustable |
| Brakes | Entrance disc brake, rear drum brake |
| Tyres | 4.10 x 19in F/R |
| Weight | 203 kg dry |
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