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Nortom Commando 850 (1975)

admin — Tue, 04 Apr 2023 15:18:15 +0000

The 1975 Norton Commando 850 is a classic motorcycle with a four stroke, parallel twin cylinder, push rod engine that has a capacity of 829 cc. It has a compression ratio of 8.5:1 and uses 2 x ~A30 mm Amal concentric carburetors for induction. The bike is air cooled and uses a 120W Lucas alternator for ignition. It has both electric and kick start options, and can reach a maximum power of 60 hp at 6200 rpm. The Norton Commando 850 has a metal diaphragm clutch and a 4-speed transmission with a final chain drive. The bike has a twin downtube cradle with Isolastic engine mounts, telescopic front forks, and a swing arm with Girling coil springs for rear suspension. Front and rear brakes are both single disc, and the bike has a 19 liter fuel tank. It can achieve an average fuel consumption of 5.3 L/100 km and has a top speed of 185 km/h. The wet weight of the bike is 233 kg, and it has a standing 1/4 mile time of 14.4 seconds, with a top speed of 145 km/h. Overall, the Norton Commando 850 is a powerful and stylish motorcycle with impressive performance capabilities.

Technical specifications:

Make Model: Norton Commando 850

Year: 1975
Engine: Four stroke, parallel twin cylinder, push rod 2 valves per cylinder.
Capacity: 829 cc / 50.6 cu in
Bore x Stroke: 77 x 89 mm
Compression Ratio: 8.5:1
Cooling System: Air cooled
Induction: 2 x ~A30 mm Amal concentric carburetors
Ignition: 120W Lucas alternator
Starting: Electric and kick
Max Power: 60 hp / 44.7 kW @ 6200 rpm
Clutch: Metal diaphragm clutch
Transmission: 4 Speed
Final Drive: Chain
Frame: Twin downtube cradle with Isolastic engine mounts
Front Suspension: Telescopic forks
Rear Suspension: Swing arm with Girling coil springs
Front Brakes: Single disc
Rear Brakes: Single disc
Front Tyre: 4.10-19
Rear Tyre: 4.10-19
Wet Weight: 233 kg / 514 lbs
Fuel Capacity: 19 Litres / 5.0 US gal
Average Fuel Consumption: 5.3 L/100 km / 18.7 kn/l / 44 US mpg
Standing 1/4 Mile: 14.4 sec / 145 km/h / 90 mph
Top Speed: 185 km/h / 115 mph

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Nortom Commando 750 Roadster (1970-71)

admin — Sun, 02 Apr 2023 21:45:07 +0000

The Norton Commando 750 Roadster was a motorcycle produced from 1970-71. It had a four stroke, parallel twin cylinder engine with a capacity of 745cc and a compression ratio of 9.0:1. The maximum power output was 58 hp at 6800 rpm. The transmission was a 4-speed system and the final drive was through a chain. The front suspension was telescopic forks and the rear suspension was dual shocks. The front and rear brakes were drum systems, with the front brake being about 203mm and the rear brake about 178mm. The front and rear tires were 3.25-19 and 4.00-18 respectively. The length of the motorcycle was 2220mm, the width was 660mm and the wheelbase was 1441mm. The seat height was 863.6mm, and it had a dry weight of 195kg. The fuel capacity was 10 litres or 2.6 US gallons, and it was able to complete a standing quarter mile in 12.92 seconds.

Technical specifications:

Make Model: Norton Commando 750 Roadster

Year: 1970 – 71
Engine: Four stroke, parallel twin cylinder, push rod 2 valves per cylinder.
Capacity: 745 cc / 45.5 cu in
Bore x Stroke: 73 x 89 mm
Compression Ratio: 9.0:1
Cooling System: Air cooled
Starting: Kick
Max Power: 58 hp / 43 kW @ 6800 rpm
Transmission: 4 Speed
Final Drive: Chain
Front Suspension: Telescopic forks
Rear Suspension: Dual shocks
Front Brakes: ~A203 mm Drum
Rear Brakes: ~A178 mm Drum
Front Tyre: 3.25-19
Rear Tyre: 4.00-18
Dimensions: Length 2220 mm / 87.5 in Width 660 mm / 26 in
Wheelbase: 1441 mm / 56.75 in
Seat Height: 863.6 mm / 34 in
Dry Weight: 195 kg / 430 lbs
Fuel Capacity: 10 Litres / 2.6 US gal
Standing 1/4 Mile: 12.92 sec

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Nortom Dominator 99 (1961)

admin — Tue, 28 Mar 2023 20:23:56 +0000

The Norton Dominator 99 is a classic motorcycle model from 1961. It features a four-stroke, twin-cylinder engine with two valves per cylinder operated by pushrods, and has a capacity of 497 cc. The bike has a compression ratio of 8.5:1 and is air-cooled. The induction system includes two Amal Monobloc 11/16 in bore carburettors, while the starting mechanism is a kick-start. At its peak, the bike generates 26.8 kW / 36 hp at 7000 rpm. The Norton Dominator 99 has a four-speed transmission and a chain final drive. Its frame is a full duplex cradle ‘Featherbed’ type. The front suspension consists of telescopic forks with coil springs, while the rear suspension is a swinging arm with adjustable, three-position hydraulically damped Girling units. It also features drum brakes on both the front and rear wheels. The bike weighs 185kg/408lbs and can reach a top speed of 177 km/h / 110 mph. The Norton Dominator 99 is considered to be a classic motorcycle model because of its quality performance and sleek design.

Technical specifications:

Make Model: Norton Dominator 88 SS

Year: 1961
Engine: Four-stroke, twin-cylinder, two valves per cylinder operated by pushrods
Capacity: 497 cc / 30.3 cu in
Bore x Stroke: 66 x 73 mm
Compression Ratio: 8.5:1
Cooling System: Air cooled
Induction: 2 x Amal Monobloc 11/16 in bore carburettors
Starting: Kick
Max Power: 26.8 kW / 36 hp @ 7000 rpm
Transmission: 4 Speed
Final Drive: Chain
Frame: Full duplex cradle ‘Featherbed’ type
Front Suspension: Telescopic forks with coil springs
Rear Suspension: Swinging arm with adjustable, three position hydraulically damped Girling units
Front Brakes: Drum, ~A203 mm / ~A8 in
Rear Brakes: Drum, ~A178 mm / ~A7 in
Wet-Weight: 185 kg / 408lb
Top Speed: 177 km/h / 110 mph

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Nortom Commando 850 (1975)

admin — Tue, 28 Mar 2023 12:50:03 +0000

The Norton Commando 850 Roadster MKII motorcycle was introduced in 1975 and featured a four-stroke, parallel-twin-cylinder engine with pushrod 2 valves per cylinder. It had a capacity of 829 cc and a compression ratio of 8.5:1. The bike was air-cooled and used 2 Amal carbs for induction. The ignition was powered by a 120W Lucas alternator and it had both electric and kick starting options. The Norton Commando 850 had a maximum power output of 60 hp at 6200 rpm, with a transmission of 4 speeds and a metal diaphragm clutch. The final drive was through a chain. The frame was a twin downtube cradle with Isolastic engine mounts, while the suspension consisted of telescopic forks at the front and a swing arm with Girling coil springs at the rear. The front and rear brakes were single discs, and the tires were 4.10-19 at both front and rear. The bike’s wet weight was 233 kg, and the fuel capacity was 19 liters. It had an average fuel consumption of 5.3 L/100 km and a top speed of 185 km/h. Its standing 1/4 mile time was 14.4 seconds with a speed of 145 km/h or 90 mph. The Norton Commando 850 Roadster MKII was a popular motorcycle during its time and continues to enjoy a cult following among enthusiasts.

Technical specifications:

Make Model: Norton Commando 850 Roadster MKII

Year: 1975
Engine: Four stroke, parallel twin cylinder, push rod 2 valves per cylinder.
Capacity: 829 cc / 50.6 cu in
Bore x Stroke: 77 x 89 mm
Compression Ratio: 8.5:1
Cooling System: Air cooled
Induction: 2 x ~A32 mm Amal concentric carburetors
Ignition: 120W Lucas alternator
Starting: Electric and kick
Max Power: 60 hp / 44.7 kW @ 6200 rpm
Clutch: Metal diaphragm clutch
Transmission: 4 Speed
Final Drive: Chain
Frame: Twin downtube cradle with Isolastic engine mounts
Front Suspension: Telescopic forks
Rear Suspension: Swing arm with Girling coil springs
Front Brakes: Single disc
Rear Brakes: Single disc
Front Tyre: 4.10-19
Rear Tyre: 4.10-19
Wet Weight: 233 kg / 514 lbs
Fuel Capacity: 19 Litres / 5.0 US gal
Average Fuel Consumption: 5.3 L/100 km / 18.7 kn/l / 44 US mpg
Standing 1/4 Mile: 14.4 sec / 145 km/h / 90 mph
Top Speed: 185 km/h / 115 mph

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