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I have a book titled Norton Commando Ultimate Portfolio by Brooklands Books.
This book is devoted purely to road tests of the various Commandos from 1968-1977.
These are STOCK bikes:
August 1968 Cycle World Norton Commando 750 13.47 seconds at 96.35 mph
September 1969 Cycle Norton Commando S 13.18 seconds at 101.69 top speed tested 110mph
December 1969 Motorcycle Mechanics Commando S 13.4 seconds at 102
March 1971 Cycle World Commando 750 Fastback 13.11 at 101.67 top speed 116mph at 7380rpm
March 1971 Cycle Commando 750 Roadster 13.01 at 102.16 top speed 110
September 1972 Cycle World Commando 850 Interstate 12.96 at 102.38 top speed 116
September 1972 Cycle Guide Commando 750 COMBAT Roadster 13.09 at 103.68 top speed tested 109.5
June 1973 Cycle Commando 850 Roadster 13.06 at 100.78 actual top speed not tested
June 1973 Motorcycle Mechanics Commando 850 Roadster 12.9 quarter mile, no top speed tested
November 1975 Motorcycling Monthly Commando 850 MARK 3 15.0 at 88mph
As you can see there is really very little difference in quarter miles times, most around 13 and that includes standard 750s, Combats, and 850s, only the much heavier Mark3 was significantly slower
There ARE other tests that show for example an 850 with a 12.2 quarter mile, the fastest I am aware of
but I don't have that test and so can't confirm if the bike was totally stock or not, anyone have this?
This book is devoted purely to road tests of the various Commandos from 1968-1977.
These are STOCK bikes:
August 1968 Cycle World Norton Commando 750 13.47 seconds at 96.35 mph
September 1969 Cycle Norton Commando S 13.18 seconds at 101.69 top speed tested 110mph
December 1969 Motorcycle Mechanics Commando S 13.4 seconds at 102
March 1971 Cycle World Commando 750 Fastback 13.11 at 101.67 top speed 116mph at 7380rpm
March 1971 Cycle Commando 750 Roadster 13.01 at 102.16 top speed 110
September 1972 Cycle World Commando 850 Interstate 12.96 at 102.38 top speed 116
September 1972 Cycle Guide Commando 750 COMBAT Roadster 13.09 at 103.68 top speed tested 109.5
June 1973 Cycle Commando 850 Roadster 13.06 at 100.78 actual top speed not tested
June 1973 Motorcycle Mechanics Commando 850 Roadster 12.9 quarter mile, no top speed tested
November 1975 Motorcycling Monthly Commando 850 MARK 3 15.0 at 88mph
As you can see there is really very little difference in quarter miles times, most around 13 and that includes standard 750s, Combats, and 850s, only the much heavier Mark3 was significantly slower
There ARE other tests that show for example an 850 with a 12.2 quarter mile, the fastest I am aware of
but I don't have that test and so can't confirm if the bike was totally stock or not, anyone have this?