Triumph Speed Twin Archives - MotorcycleSpecifications.com

Triumph Speed Twin (1947-58)

admin — Wed, 05 Apr 2023 22:09:00 +0000

The Triumph Speed Twin 500 was produced from 1947 to 1958 and had a four-stroke, parallel twin, OHV engine with a capacity of 498 cc. Its bore and stroke were 63 x 80 mm and had a compression ratio of 7.2:1. The motorcycle was air-cooled, and its fuel was provided by a single Amal carburetor 15/16″ and ignited by a 6V magnetic flywheel. It had a kick-starting mechanism and could produce a maximum power of 20.9 kW / 28 hp at 6000 rpm. The engine was paired with a wet, six-plate clutch and a 4-speed, constant mesh transmission that drove the rear wheel through a chain. The bike had a single tube frame and hydraulic telescopic forks for the front suspension. Between 1947 and 1954, it had a sprung hub for the rear suspension and two shock absorbers after 1954. The front and rear brakes were both drum, with a 7-inch SLS. The bike had Dunlop Universal tires for the front and rear, with sizes of 3.25 – 19 and 3.50 – 19, respectively. The wheelbase measured 1372 mm / 54 in, with a saddle height of 749 mm / 29.5 in and ground clearance of 152 mm / 6.0 in. It weighed 182 kg / 401 lbs and had a fuel capacity of 18 L / 4.8 US gal / 4.0 Imp gal.

Technical specifications:

Make Model: Triumph Speed Twin 500

Year: 1947-58
Engine: Four stroke, parallel twin, OHV
Capacity: 498 cc / 30.4 cub in.
Bore x Stroke: 63 x 80 mm
Compression Ratio: 7.2:1
Cooling System: Air cooled
Induction: Single Amal carburetor 15/16″
Ignition: 6 V magnetic flywheel
Starting: Kick
Max Power: 20.9 kW / 28 hp @ 6000 rpm
Clutch: Wet,6 plate
Transmission: 4 Speed, constant mesh
Final Drive: Chain
Frame: Singe tube frame
Front Suspension: Hydraulic telescopic fork
Rear Suspension: 1947-1954 sprung hub, after 1954 Swingarm with two shock absorbers
Front Brakes: Drum, 7 in SLS
Rear Brakes: Drum, 7 in SLS
Front Tyre: 3.25 – 19, Dunlop Universal
Rear Tyre: 3.50 – 19, Dunlop Universal
Wheelbase: 1372 mm / 54 in
Saddle Height: 749 mm / 29.5 in
Ground Clearance: 152 mm / 6.0 in
Dry Weight: 182 kg / 401 lbs
Fuel Capacity: 18 L / 4.8 US gal / 4.0 Imp gal

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Triumph Speed Twin (1959-63)

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

The Triumph Speed Twin was a motorcycle produced from 1959 to 1963. It had a four-stroke parallel-twin engine with a capacity of 490cc and a compression ratio of 7.2:1. The bike was air-cooled and had a single Amal carburetor. Its ignition was a 6V magnetic flywheel and it was started by a kick. The maximum power of the motorcycle was 20.1 kW or 27 hp at 6500 rpm. The bike had a wet clutch and a four-speed, constant mesh transmission. The final drive was through a chain. The Triumph Speed Twin had a single tube frame and was equipped with a hydraulic telescopic fork at the front and a 1947-1954 sprung hub, which was later replaced by a swingarm with two shock absorbers at the rear. Both front and rear brakes were drums with a size of 7 in SLS. The front and rear tyres had Dunlop Universal tyres with sizes of 3.25-19 and 3.50-19 respectively. The bike weighed 155 kg or 341 lbs and had a fuel capacity of 18 L or 4.8 US gal or 4.0 Imp gal. The motorcycle had a wheelbase of 1372 mm or 54 inches, a saddle height of 749 mm or 29.5 inches, and a ground clearance of 152 mm or 6.0 inches.

Technical specifications:

Make Model: Triumph Speed Twin 500

Year: 1959 – 63
Engine: Four stroke, parallel twin, OHV
Capacity: 490 cc / 29.9 cub in.
Bore x Stroke: 63 x 80 mm
Compression Ratio: 7.2:1
Cooling System: Air cooled
Induction: Single Amal carburetor 15/16″
Ignition: 6 V magnetic flywheel
Starting: Kick
Max Power: 20.1 kW / 27 hp @ 6500 rpm
Clutch: Wet,6 plate
Transmission: 4 Speed, constant mesh
Final Drive: Chain
Frame: Singe tube frame
Front Suspension: Hydraulic telescopic fork
Rear Suspension: 1947-1954 sprung hub, after 1954 Swingarm with two shock absorbers
Front Brakes: Drum, 7 in SLS
Rear Brakes: Drum, 7 in SLS
Front Tyre: 3.25 – 19, Dunlop Universal
Rear Tyre: 3.50 – 19, Dunlop Universal
Wheelbase: 1372 mm / 54 in
Saddle Height: 749 mm / 29.5 in
Ground Clearance: 152 mm / 6.0 in
Dry Weight: 155 kg / 341 lbs
Fuel Capacity: 18 L / 4.8 US gal / 4.0 Imp gal

The post Triumph Speed Twin (1959-63) appeared first on MotorcycleSpecifications.com.

Triumph Speed Twin (1938-46)

admin — Sun, 26 Mar 2023 22:37:05 +0000

The Triumph Speed Twin 500 motorcycle was produced from 1938 to 1946, with a four stroke parallel twin engine and a capacity of 498 cc. It had a single Amal carburetor and 6 V magnetic flywheel ignition, and started with a kick. The maximum power was 20.9 kW at 6000 rpm. It featured a wet 6 plate clutch and a 4 speed transmission, with a final drive by chain. The frame was a single tube type and the suspension was rigid, with a leaf spring on the front fork and a spring loaded saddle on the rear. Brakes were drum type on both the front and rear wheels. The tyres were 3.25-19 on the front and 3.50-19 on the rear. The dry weight of the bike was 182 kg and it had a fuel capacity of 18 L. Overall, the Triumph Speed Twin has been noted for its successful combination of style, affordability, and performance during a difficult period of history.

Technical specifications:

Make Model: Triumph Speed Twin 500

Year: 1938 – 46
Engine: Four stroke, parallel twin, OHV
Capacity: 498 cc / 30.4 cub in.
Bore x Stroke: 63 x 80 mm
Compression Ratio: 7.1:1
Cooling System: Air cooled
Induction: Single Amal carburetor
Ignition: 6 V, magnetic flywheel
Starting: Kick
Max Power: 20.9 kW / 28 hp @ 6000 rpm
Clutch: Wet, 6 plate
Transmission: 4 Speed
Final Drive: Chain
Frame: Singe tube frame
Front Suspension: Rigid fork with leaf spring
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum
Rear Brakes: Drum
Front Tyre: 3.25 – 19
Rear Tyre: 3.50 – 19
Dry Weight: 182 kg / 401 lbs
Fuel Capacity: 18 L / 4.8 US gal / 4.0 Imp gal

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