Norton Dominator 77 Archives - MotorcycleSpecifications.com Find your motorcycle specifications Fri, 07 Apr 2023 22:16:45 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.1 Norton Dominator 77 (1957-58) https://motorcyclespecifications.com/norton-dominator-77-1957-58-specs/ Sat, 01 Apr 2023 06:27:59 +0000 https://motorcyclespecifications.com/?p=39998 The Norton Dominator 77 is a classic motorcycle model produced between 1957-58, equipped with a 597 cc, 4-stroke, twin-cylinder engine capable of producing 36.4 cubic inches of power. The cooling

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]]> The Norton Dominator 77 is a classic motorcycle model produced between 1957-58, equipped with a 597 cc, 4-stroke, twin-cylinder engine capable of producing 36.4 cubic inches of power. The cooling system of the motorcycle is an air cooled one, while the exhaust is two into two with a chrome finish. Starting is done via kick and the motorcycle features a four-speed transmission system, with the final drive through a chain. The single down-tube frame of the motorcycle provides durability, while the front suspension is a telescopic fork, and the rear suspension is a swingarm with twin plungers. The wheels of the Norton Dominator 77 come with polished steel and laced spokes. This motorcycle is renowned among vintage bike enthusiasts for its sleek design, low profile, and impressive performance, making it a popular model for collectors today. Overall, the Norton Dominator 77 remains a classic and beloved motorcycle model that continues to be admired for its performance, design, and historical significance.

Technical specifications:

Make Model: Norton Dominator 77

Year: 1957 – 58
Engine: 4-Stroke, twin cylinder
Capacity: 597 cc / 36.4 cu in
Cooling System: Air cooled
Exhaust: Two into two, chrome
Starting: Kick
Transmission: 4-Speed
Final Drive: Chain
Frame: Single down-tube
Front Suspension: Telescopic fork
Rear Suspension: Swingarm with twin plungers
Wheels: Polished steel, laced spokes

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]]> KTM 640 Duke II (2003-04) https://motorcyclespecifications.com/ktm-640-duke-ii-2003-04-specs/ Tue, 28 Mar 2023 16:00:05 +0000 https://motorcyclespecifications.com/?p=35177 The KTM 640 Duke II motorcycle was produced between 2003 and 2004. It features a four-stroke, single-cylinder engine with a capacity of 624.6 cc and a compression ratio of 11.5:1.

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]]> The KTM 640 Duke II motorcycle was produced between 2003 and 2004. It features a four-stroke, single-cylinder engine with a capacity of 624.6 cc and a compression ratio of 11.5:1. The bike is liquid-cooled and lubricated by two Eaton oil pumps, while the Mikuni BST 40 carburetor handles induction. The engine delivers a maximum power of 55 hp at 7,000 rpm and a maximum torque of 60 Nm at 5,500 rpm. The bike comes with both electric and kick start options and is equipped with a 12V, 8Ah maintenance-free battery. The KTM 640 Duke II boasts a straight-cut gear primary drive ratio of 30:81 and a five-speed transmission, while the final drive ratio is 17:38. The bike is built on a central chrome-moly steel frame and features WP-4054 Roma top adjuster front suspension that is preload, compression, and rebound adjustable. The bike’s rear suspension uses central shock absorber WP IBS with PRO-LEVER linkage to rear-swing-arm with needle bearing, with a rear wheel travel of 170 mm. Braking is delivered by single 320 mm front and single 220 mm rear discs. The steering head angle is 62.5° and the wheelbase is 1,460 mm. The KTM 640 Duke II weighs 145 kg and has a GVWR of 350 kg. The fuel tank holds 11.3 liters, and the bike has a top speed of 162 km/h and can complete the standing quarter-mile in 12.5 seconds. The bike features a ground clearance of 250 mm and a seat height of 860 mm.

Technical specifications:

Make Model: KTM 640 Duke II

Year: 2003 – 04
Engine: Four stroke, single Cylinder. SOHC, 4 valves, engine balancer
Capacity: 624.6 cc / 38.1 cu in
Bore x Stroke: 101 x 78 mm
Compression Ratio: 11.5:1
Cooling System: Liquid cooled
Lubrication: 2 x Eaten oil pumps
Induction: Mikuni BST 40 carburetor
Ignition: Kokusan contactless DC-CDI ignition with advanced system
Starting: Electric & kick
Spark Plug: NGK DRBEA
Battery: 12V 8Ah, maintenance free
Max Power: 40.1 kW / 55 hp @ 7000 rpm
Max Torque: 60 Nm / 6.1 kgf-m / 44.3 lb-ft @ 5500 rpm
Clutch: Multi-disc in oil bath
Transmission: 5 Speed
Primary Drive Ratio: 30:81, straight cut gears
Gear Ratios: 1st 14:35 / 2nd 15:24 / 3rd 18:21 / 4th 20:19 / 5th 22:18
Final Drive Ratio: 17:38
Final Drive: Chain, O-ring 5/8 x 1/4″
Frame: Central chrome-moly steel frame
Front Suspension: WP – 4054 Roma Top adjuster, preload, compression and rebound adjustable
Front Wheel Travel: 140 mm / 5.5 in
Rear Suspension: Central shock absorber WP IBS with PRO-LEVER linkage to rear- swing-arm with needle bearing
Rear Wheel Travel: 170 mm / 6.7 in
Front Brakes: Single 320 mm disc, 4 piston caliper
Rear Brakes: Single 220 mm disc, 1 piston caliper
Front Tyre: 120/70 – ZR17 58H
Rear Tyre: 160/60 – ZR17 69H
Steering Head Angle: 62.5o
Wheelbase: 1460 mm / 57.5 in
Ground Clearance: 250 mm / 9.9 in
Seat Height: 860 mm / 33.9 in
Dry Weight: 145 kg / 320lbs
GVWR: 350 kg / 773 lbs
Engine Oil Capacity: 2.2 Litres / 2.3 US qt / 1.9 Imp qt
Fuel Capacity: 11.3 Litres / 3.0 US gal / 2.4 Imp gal
Standing 1/4 Mile: 12.5 sec
Top Speed: 162 km/h / 101 mph

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