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The Norton Commando is a British Norton-Villiers motorcycle with an OHV pre-unit parallel-twin engine, produced by the Norton Motorcycle company from 1967 until 1977. Initially having a nominal 750 cc displacement, actually 745 cc (45.5 cu in), in 1973 it became an 850 cc, actually 828 cc (50.5 cu in). It had a hemi-type head, similar to all ...

2012年8月8日 · In January of 1972 Norton offered the Commando with the high-compression (10:1!) Combat engine, claiming 65 horsepower at 6,500 rpm. Which it might well have put out—until it exploded.

2019年5月14日 · Arguably the greatest of the great British twins, Norton’s Commando reached its final form with the electric-start Mk3 850. It was almost modern for 1975, in some senses…

Four stroke, parallel twin cylinder, push rod 2 valves per cylinder. The last of the Norton parallel twin machines, the Commando began life as a 750 in the late 1960s, growing into the 829cc 850. Its most interesting feature was its ingenious engine mounting system.

2014年8月20日 · 1973 Norton Commando 850 Claimed power: 60hp @ 6,200rpm Engine type: 828cc air-cooled OHV parallel twin, 77mm x 89mm bore and stroke, 8:5 compression ratio Top speed: 122mph (period test) Weight (wet): 462lb (210kg) …

This was the 20M3 engine, an evolution of the 750 twin from the Norton Atlas. From the original 750 engine, Norton then developed the Combat engine, which powered the Commando from 1972 through the end of 1973, whereupon Norton bored out …

Ride the Commando 850, and you ride a legend updated, an amalgam of 40 years of mechanical evolution, an anachronistic throwback to an age long dead, a hymn to the prowess of modern technology, sometimes heartbreaking, often frustrating, always …

2013年10月21日 · Norton Commando 750 vs 850 vs Combat. The major engine options you’ll be faced with are the original 750, the later 850 or the higher-performance and slightly temperamental Combat. Now, opinions vary quite significantly on this issue so I’ll try to outline the benefits of each as fairly as possible.

1974年4月1日 · This spring was designed for Norton by the Laycock de Normanville firm, and has several advantages over the multispring arrangement found on most motorcycles. First, the spring maintains its...