Sunbeam Archives - MotorcycleSpecifications.com

Sunbeam S7 500 (1946-56)

admin — Mon, 03 Apr 2023 06:29:58 +0000

The Sunbeam S7 500 motorcycle was produced between 1946-1956 with a total production of 7,658 units including the De Luxe models. It is powered by a 487cc parallel twin, SOHC engine with a maximum power output of 18.6 kW/ 25 hp at 5800 rpm. The engine has a compression ratio of 6.5:1 and is cooled by air/oil. Lubrication is provided by a wet sump and the starting system is kick-start only. The electrical system is a 6V unit. The bike is equipped with a single plate clutch and a 4-speed transmission with shaft final drive. The frame is a twin cradle steel design with telescopic front suspension and plunger spring-loaded saddle rear suspension. The front and rear brakes are both drum, leading shoe, with a diameter of 203mm or 8″. The wheels are 16″ with a front size of 4.50 x 16″ and a rear size of 4.75 x 16″. The bike has a wheelbase of 1400mm or 57″ and a dry weight of 195 kg or 430 lbs. Its top speed is 121 km/h or 75 mph.

Technical specifications:

Make Model: Sunbeam S7 500, S7 500 De Luxe

Year: 1946 – 56
Production: 7 658 units (inc. De Luxe models)
Engine: Parallel twin, SOHC
Capacity: 487 cc / 29.7 cu in
Bore x Stroke: 70 x 63.5 mm
Compression Ratio: 6.5:1
Cooling System: Air/Oil cooled
Lubrication: Wet sump
Starting: Kick
Electrical system: 6V
Max Power: 18.6 kW / 25 hp @ 5800 rpm
Clutch: Single plate, dry
Transmission: 4-Speed
Final Drive: Shaft
Frame: Twin cradle, steel
Front Suspension: Telescopic, one way damped
Rear Suspension: Plunger, spring loaded saddle
Front Brakes: Drum, leading shoe, 203 mm / 8″
Rear Brakes: Drum, leading shoe, 203 mm / 8″
Wheel, Front: 4.50 x 16″
Wheel, Rear: 4.75 x 16″
Wheelbase: 1400 mm / 57″
Dry Weight: 195 kg / 430 lbs
Top Speed: 121 km/h / 75 mph
Source: Sump Publishing

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Sunbeam Model 8 (1924-31)

admin — Sun, 02 Apr 2023 00:54:01 +0000

The Sunbeam Model 8 motorcycle was produced between 1924 and 1931. It was powered by a single cylinder, air-cooled, OHV engine with a capacity of 347cc. The engine’s bore and stroke measured 70 x 90mm and it had a dry sump lubrication system. The bike featured an AMAC carburettor and a single exhaust. It had a kick starter and produced 2.1kW/2.75hp of power. The transmission offered 3-speeds and the final drive was via chain.

The frame of the Sunbeam Model 8 had a unique bifurcated front down tube design, while the front suspension had Druid forks. The bike’s rear suspension was rigid but had a spring loaded saddle. It had drum brakes at the front and rear that were of the internal expanding type. The wheels were made of steel and laced with wire spokes.

The Sunbeam Model 8 was manufactured by Marston-Sunbeam, a British motorcycle company.

Technical specifications:

Make Model: Sunbeam Model 8

Year: 1924 – 31
Engine: Single cylinder, OHV
Capacity: 347 cc / 21.2 cu in
Bore x Stroke: 70 x 90 mm
Cooling System: Air cooled
Lubrication: Dry sump
Induction: AMAC carburettor
Exhaust: Single
Starting: Kick
Power: 2.1 kW / 2.75 hp
Transmission: 3-Speed
Final Drive: Chain
Frame: Bifurcated front down tube
Front Suspension: Druid forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum, internal expanding
Rear Brakes: Drum, internal expanding
Wheels: Steel, laced wire spokes
Source: Marston-Sunbeam

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Sunbeam Model 7 and 7A (1922-40)

admin — Sat, 01 Apr 2023 23:02:57 +0000

The Sunbeam Model 7 and 7A were motorcycles produced from 1922 to 1940. They had a single cylinder, side-valve engine with a capacity of 596cc and a 4-speed transmission with a chain final drive. The engine produced 3.2 kW or 4.25 horsepower. The frame was a single downtube cradle and the front suspension consisted of Druid forks, while the rear suspension was rigid and had a spring-loaded saddle. Both the front and rear brakes were drum brakes, and the wheels were made of steel with laced wire spokes. The motorcycle had an air-cooled system and a single exhaust. Starting was done through kicking. Source: Sunbeamsidevalve.com.

Technical specifications:

Make Model: Sunbeam Model 7 and 7A

Year: 1922 – 40
Engine: Single cylinder, side valve
Capacity: 596 cc / 36.4 cu in
Bore x Stroke: 77 x 105.5 mm
Cooling System: Air cooled
Exhaust: Single
Starting: Kick
Power: 3.2 kW / 4.25 hp
Transmission: 4-Speed
Final Drive: Chain
Frame: Single downtube cradle
Front Suspension: Druid forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum
Rear Brakes: Drum
Wheels: Steel, laced wire spokes
Source: Sunbeamsidevalve.com

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Sunbeam Model 3 (1924-26)

admin — Sat, 01 Apr 2023 03:16:09 +0000

The Sunbeam Model 4 de Luxe is a motorcycle that was produced from 1924 to 1926. It features a single cylinder, side valve engine that has a capacity of 596cc/36.4cu in. The bore and stroke measure 85 x 105.5 mm and the cooling system is air cooled. The bike has a single exhaust and is started by kick. It delivers a power output of 3.4 kW or 4.5 horsepower and is equipped with a 3-speed transmission that drives the chain final drive. The frame is a single downtube cradle, and the suspension comprises Druid forks upfront and a rigid, spring loaded saddle at its rear. The brakes are drum style- with the front and rear both being drums. The spoked wheels are made out of steel, and the bike does not carry any special designations such as roadster or tourer. Although there isn’t much to distinguish one Sunbeam from another, the company became famous for their innovation and high-quality production standards. Overall, it’s a decent bike that packs a simple, reliable punch- owing to its characteristics and dependability.

Technical specifications:

Make Model: Sunbeam Model 4 de Luxe

Year: 1924 – 26
Engine: Single cylinder, side valve
Capacity: 596 cc / 36.4 cu in
Bore x Stroke: 85 x 105.5 mm
Cooling System: Air cooled
Exhaust: Single
Starting: Kick
Power: 3.4 kW / 4.5 hp
Transmission: 3-Speed
Final Drive: Chain
Frame: Single downtube cradle
Front Suspension: Druid forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum
Rear Brakes: Drum
Wheels: Steel, laced wire spokes

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Sunbeam Model 1 and Model 2 (1923-30)

admin — Fri, 31 Mar 2023 14:45:55 +0000

The Sunbeam Model 1 and Model 2 were motorcycles produced between 1923 and 1930. These bikes had a single cylinder, side valve engine with a capacity of 347 cc and a bore and stroke of 70 x 90 mm. They were air cooled with a single exhaust and kickstarting. They had a power output of 2.05 kW (2.75 hp) and a 3-speed transmission. The final drive was an enclosed chain. The frame was a single downtube cradle with front suspension provided by Druid forks and rear suspension being rigid with a spring loaded saddle. Both the front and rear brakes were drum brakes. The wheels of the Sunbeam Model 1 and Model 2 were made of steel with laced wire spokes.

Technical specifications:

Make Model: Sunbeam Model 1, Model 2

Year: 1923 – 30
Engine: Single cylinder, side valve
Capacity: 347 cc / 21.2 cu
Bore x Stroke: 70 x 90 mm
Cooling System: Air cooled
Exhaust: Single
Starting: Kick
Power: 2.05 kW / 2.75 hp
Transmission: 3-Speed
Final Drive: Enclosed chain
Frame: Single downtube cradle
Front Suspension: Druid forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum
Rear Brakes: Drum
Wheels: Steel, laced wire spokes

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Sunbeam Model 90 (1925)

admin — Fri, 31 Mar 2023 13:27:54 +0000

The Sunbeam Model 90 (1925) motorcycle has a single cylinder, side valve engine with a capacity of 499cc. It has a compression ratio of 5:1 and is air-cooled. The exhaust is single and it starts with a kick. It has a maximum power of 2.6 kW/3.5 hp and uses a chain for final drive. The frame is a single downtube cradle and it has Druid forks for the front suspension and a rigid, spring-loaded saddle for the rear suspension. The front and rear brakes are both drums and the wheels are made of steel with laced wire spokes. The dry weight of the motorcycle is 108 kg/238 lbs and has a top speed of 97 km/h/60 mph.

Technical specifications:

Make Model: Sunbeam Model 5

Year: 1925
Engine: Single cylinder, side valve
Capacity: 499 cc / 30.5 cu in
Bore x Stroke: 77 x 105.585 x 88 mm
Compression Ratio: 5:1
Cooling System: Air cooled
Exhaust: Single
Starting: Kick
Max Power: 2.6 kW / 3.5 hp
Final Drive: Chain
Frame: Single downtube cradle
Front Suspension: Druid forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum
Rear Brakes: Drum
Wheels: Steel, laced wire spokes
Dry Weight: 108 kg / 238 lbs
Top Speed: 97 km/h / 60 mph

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Sunbeam Model B2 scooter (1958-65)

admin — Wed, 29 Mar 2023 21:01:52 +0000

The Sunbeam Model B2 scooter was produced from 1958 to 1965 and featured a single cylinder, two stroke engine with a capacity of 175 cc. It had a forced air cooled system, 12V battery, and electric start. With a maximum power output of 5.6 kW or 7.5 hp, it had a four speed transmission and enclosed chain final drive. The frame was made of a tubular construction and had a ground clearance of 127 mm or 5.0 inches. The front and rear drum brakes had a diameter of 127 mm and the tyres measured 3.50 x 10 inches. The scooter weighed 100 kg or 220 lbs and had a fuel capacity of 8 L or 1.8 Imp gal or 2.1 US gal.

Technical specifications:

Make Model: Sunbeam B2

Year: 1958 – 65
Engine: Single cylinder, two-stroke
Capacity: 175 cc / 10.7 cu in
Bore x Stroke: 61.5 x 58 mm
Cooling System: Forced air cooled
Battery: 12V
Starting: Electric
Max Power: 5.6 kW / 7.5 hp
Transmission: Four speed
Final Drive: Enclosed chain in oil bath
Frame: Tubular frame
Ground Clearance: 127 mm / 5.0″
Front Brakes: Drum, 127 mm diameter
Rear Brakes: Drum, 127 mm diameter
Tyres, Front and Rear: 3.50 x 10″
Dry weight: 100 kg / 220 lbs
Fuel Capacity: 8 L / 1.8 Imp gal / 2.1 US gal

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Sunbeam Model 3 (1915-26)

admin — Wed, 29 Mar 2023 18:58:54 +0000

The Sunbeam Model 3 is a motorcycle that was produced between the years 1915 and 1926. It is powered by a single cylinder, side valve engine with a capacity of 499 cc or 30.5 cu in. The engine produces a power output of 2.6 kW or 3.5 hp and has a bore x stroke of 85 x 88 mm. The cooling system is air cooled and the exhaust is single. The motorcycle is started by a kick. It has a 3-speed transmission with a final drive chain. The frame of the motorcycle is a single downtube cradle with Druid forks for the front suspension and a rigid, spring-loaded saddle for the rear suspension. The front and rear brakes are both drums. The wheels are made of steel with laced wire spokes.

Technical specifications:

Make Model: Sunbeam Model 3

Year: 1915 – 26
Engine: Single cylinder, side valve
Capacity: 499 cc / 30.5 cu in
Bore x Stroke: 85 x 88 mm
Cooling System: Air cooled
Exhaust: Single
Starting: Kick
Power: 2.6 kW / 3.5 hp
Transmission: 3-Speed
Final Drive: Chain
Frame: Single downtube cradle
Front Suspension: Druid forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum
Rear Brakes: Drum
Wheels: Steel, laced wire spokes

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Sunbeam Model B1 scooter (1957-64)

admin — Wed, 29 Mar 2023 00:05:57 +0000

The Sunbeam Model B1 scooter was produced between 1957 and 1964, featuring a parallel twin cylinder, 4 stroke engine with a capacity of 250 cc. The bike had a forced air cooling system and a compression ratio of 6.5:1, along with a 12V battery and electric starting. The maximum power output was 7.5 kW or 10 hp at 5500 rpm. The bike had a four-speed transmission and enclosed chain final drive, sitting on a tubular frame with a ground clearance of 127 mm. The front and rear brakes were both drums with a diameter of 127 mm. The bike’s tires were 3.50 x 10 inches, and the dry weight was 110 kg or 243 lbs. The fuel consumption was stated to be 2.4 L/1000 km or 41.7 km/l, which translates to 118 Imp mpg or 98 US mpg. The top speed of the bike was reported to be 97 km/h or 60 mph.

Technical specifications:

Make Model: Sunbeam B1

Year: 1957 – 64
Engine: Parallel twin cylinder, 4 stroke
Capacity: 250 cc / 15.3 cu in
Bore x Stroke: 56 x 50.6 mm
Cooling System: Forced air cooled
Compression Ratio: 6.5:1
Battery: 12V
Starting: Electric
Max Power: 7.5 kW / 10 hp @ 5500 rpm
Transmission: Four speed
Final Drive: Enclosed chain in oil bath
Frame: Tubular frame
Ground Clearance: 127 mm / 5.0″
Front Brakes: Drum, 127 mm diameter
Rear Brakes: Drum, 127 mm diameter
Tyres, Front and Rear: 3.50 x 10″
Dri weight: 110 kg / 243 lbs
Fuel Consumption: 2.4 L/1000 km/ 41.7 km/l / 118 Imp mpg / 98 US mpg
Top Speed: 97 km/h / 60 mph

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Sunbeam Model 90 (1928-33)

admin — Mon, 27 Mar 2023 22:00:08 +0000

The Sunbeam Model 90 motorcycle was produced from 1928-33 and features a single cylinder, four stroke, SOHV engine with a capacity of 493 cc. The compression ratio is 7.0:1, but there are optional ratios of 7.5 and 9.0:1. The bike uses a kick start and has a three-speed transmission with a handshift mechanism. The final drive is via chain, and it features steel laced wire spoke wheels with Dunlop tires. The frame is a single cradle made of steel, and it has Druid-pattern, girder forks on the front suspension and a spring-loaded saddle on the rigid rear suspension. The bike has drum brakes on both wheels and a fuel capacity of 11.4 liters. Top speed for the Sunbeam Model 90 is 145 km/h or 90 mph, and it weighs 143 kg or 315 lbs. The bike was also available in a racing option, weighing 141.5 or 312 lbs, and featuring a 2.75 x 27″ tire size. Overall, the Sunbeam Model 90 is a classic motorcycle with impressive performance capabilities for its time.

Technical specifications:

Make Model: Sunbeam Model 90

Year: 1928 – 33
Engine: Single cylinder, four stroke, SOHV
Capacity: 493 cc / 30.1 cu in
Bore x Stroke: 80 x 98 mm
Compression Ratio: 7.0:1 (Optional 7.5 or 9.0:1)
Cooling System: Air cooled
Exhaust: Twin
Lubrication: Wet sump
Starting: Kick
Ttansmission: Three-speed with handshift meganism, medium ratio (BT) or close ratio (CT)
Final Drive: Chain
Gear Ratios: BT: 1st 10.3 / 2nd 6.9 / 3rd 4.6:1 CT: 1st: 8.4 / 2nd 6.2 / 3rd 4.6:1
Frame: Single cradle, steel
Front Suspension: Druid-pattern, girder forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum
Rear Brakes: Drum
Wheels: Steel, laced wire spokes
Tyres, Front and Rear: 3.25 x 26″ Dunlop Racing option: 2.75 x 27″
Dimensions: Length: 2083 mm / 82″ Width: 889 mm / 35″
Wheelbase: 1359 mm / 53.5″
Saddle Height: 711 mm / 28″
Dry Weight: 143 kg / 315 lbs Racing: 141.5 / 312 lbd
Fuel Capacity: 11.4 L / 2.5 Imp gal / 3.0 US gal
Oil Capacity: 2.8 L / 5.0 Imp pt / 6.0 US pt
Top Speed: 145 km/h / 90 mph

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Sunbeam Model 90 (1934)

admin — Mon, 27 Mar 2023 19:03:56 +0000

The Sunbeam Model 95, also known as Model 90, was a motorcycle produced in 1934. It had a single cylinder engine with a capacity of 493 cc and was equipped with a side valve, single exhaust port, and a downdraught TT carburetor. The bore x stroke was 80 x 98 mm and it was air-cooled. It also had a kick start and a 4-speed transmission with a final drive chain. The frame was a duplex cradle made of steel and the front suspension was a Druid-pattern girder fork. The rear suspension was rigid and spring-loaded, and the front and rear brakes were both drums with a diameter of 203mm or 8″. The wheels were made of steel with multi-spoke lacing.

Technical specifications:

Make Model: Sunbeam Model 95, 95R

Year: 1934
Engine: Single cilinder, side valve, single exhaust port, downdraught TT carburetor
Capacity: 493 cc / 30.1 cu in
Bore x Stroke: 80 x 98 mm
Cooling System: Air cooled
Exhaust: Single
Starting: Kick
Transmission: 4-Speed
Final Drive: Chain
Frame: Duplex cradle, steel
Front Suspension: Druid-pattern, girder forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum, 203 mm / 8″
Rear Brakes: Drum, 203 mm / 8″
Wheels: Steel, multi-spoke laced

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Sunbeam Model 14 (1933-38)

admin — Mon, 27 Mar 2023 07:05:56 +0000

The Sunbeam Model 14 motorcycle was manufactured between 1933 to 1938. It consists of a single cylinder, side valve engine with a capacity of 246cc or 15.0 cubic inches. The dimensions of the engine are 59x90mm with an air cooling system and a single exhaust. The motorcycle has a 4-speed transmission and a chain for final drive. The frame is a single downtube cradle, and the front suspension consists of Druid forks, while the rear suspension is rigid and has a spring-loaded saddle. The front and rear brakes are both drums, and the wheels are made of steel with laced wire spokes. The source of this information is sunbeamsidevalve.com.

Technical specifications:

Make Model: Sunbeam Model 14

Year: 1933 – 38
Engine: Single cylinder, side valve
Capacity: 246 cc / 15.0 cu in
Bore x Stroke: 59 x 90 mm
Cooling System: Air cooled
Exhaust: Single
Starting: Kick
Transmission: 4-Speed
Final Drive: Chain
Frame: Single downtube cradle
Front Suspension: Druid forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum
Rear Brakes: Drum
Wheels: Steel, laced wire spokes
Source: Sunbeamsidevalve.com

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Sunbeam S8 (1949-56)

admin — Sun, 26 Mar 2023 21:47:02 +0000

The Sunbeam S8 was a motorcycle produced from 1949 to 1956. Around 8,530 units were produced during its run. The engine was a 487 cc parallel twin with SOHC, capable of producing a maximum power of 18.6 kW/25 hp at 6000 rpm. The compression ratio was 6.5:1, and the cooling system was air/oil cooled with lubrication via wet sump. The starting system was a kick-start and the electrical system was 6V. The clutch was a single plate, dry type, and the transmission had four speeds. The final drive was via shaft. The frame consisted of a twin cradle made of steel. The front suspension was telescopic with one-way damping while the rear suspension was plunger with a spring-loaded saddle. The front and rear brakes were drum, leading shoe type with a diameter of 203 mm or 8 inches. The front and rear wheels were 4.50 x 16 inches and 4.75 x 16 inches, respectively, while the front and rear tyres were 4JA x 16 inches and 43A x 16 inches, respectively. The wheelbase was around 1400 mm or 57 inches, and the dry weight was 187 kg or 413 lbs. The top speed was 121 km/h or 75 mph.

Technical specifications:

Make Model: Sunbeam S8 500

Year: 1949 – 56
Production: 8 530 units
Engine: Parallel twin, SOHC
Capacity: 487 cc / 29.7 cu in
Bore x Stroke: 70 x 63.5 mm
Compression Ratio: 6.5:1
Cooling System: Air/Oil cooled
Lubrication: Wet sump
Starting: Kick
Electrical system: 6V
Max Power: 18.6 kW / 25 hp @ 6000 rpm
Clutch: Single plate, dry
Transmission: 4-Speed
Final Drive: Shaft
Frame: Twin cradle, steel
Front Suspension: Telescopic, one way damped
Rear Suspension: Plunger, spring loaded saddle
Front Brakes: Drum, leading shoe, 203 mm / 8″
Rear Brakes: Drum, leading shoe, 203 mm / 8″
Wheel, Front: 4.50 x 16″
Wheel, Rear: 4.75 x 16″
Tyres, Front: 4JA x 16″
Tyres, Rear: 43A x 16″
Wheelbase: 1400 mm / 57″
Dry Weight: 187 kg / 413 lbs
Top Speed: 121 km/h / 75 mph
Source: Sump Publishing

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Sunbeam Model 10 Sprint (1931)

admin — Sat, 25 Mar 2023 21:23:07 +0000

The Sunbeam Model 10 Sprint motorcycle was produced in 1931 and featured a single cylinder, air-cooled engine with a capacity of 344 cc. It had a compression ratio of 6.0:1 and was equipped with an AMAC carburetor, EIC magneto ignition, and wet sump lubrication. The bike had a 3-speed transmission with gear ratios of 15.2, 9.1, and 5.5:1, and a chain final drive. The frame had a single front down tube and the front suspension featured Druid forks. The rear suspension was rigid with a spring-loaded saddle and the front and rear brakes were both drum brakes. The wheels were made of steel with laced wire spokes and were fitted with 3.00 x 25″ Dunlop tires. The bike had a wheelbase of 1283 mm and overall dimensions of 2007 mm in length, 813 mm in width, and a saddle height of 711 mm. It weighed 105 kg when dry and had a fuel capacity of 9.1 L and an oil capacity of 1.1 L. Overall, the Sunbeam Model 10 Sprint was a well-built motorcycle with advanced features for its time.

Technical specifications:

Make Model: Sunbeam Model 10

Year: 1931
Engine: Single cylinder, OHV
Capacity: 344 cc / 21.0 cu in
Bore x Stroke: 74 80 mm
Cooling System: Air cooled
Compression Ratio: 6.0:1
Lubrication: Wet sump
Induction: AMAC carburettor
Exhaust: Single
Ignition: EIC Magneto
Starting: Kick
Power: 2.6 kW / 3.50 hp
Transmission: 3-Speed
Gear Ratios: 1st 15.2 / 2nd 9.1 / 3rd 5.5:1 (Options 14.3, 8.6 and 5.15 or 1605, 9.7 and 5.8)
Final Drive: Chain
Frame: Single front down tube
Front Suspension: Druid forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum, internal expanding
Rear Brakes: Drum, internal expanding
Wheels: Steel, laced wire spokes
Tyres, Front and B=Rear: 3.00 x 25″ Dunlop
Wheelbase: 1283 mm / 50.5″
Dimensions: Length: 2007 mm / 79.0″ Width: 813 mm / 32.0″
Saddle Height: 711 mm / 28.0″
Dry Weight: 105 kg / 231 lbs
Fuel Capacity: 9.1 L / 2.0 Imp gal / 2.4 US gal
Oil Capacity: 1.1 L / 2.0 Imp pt / 2.4 US pt
Source: Sunbeamsidevalve.com

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Sunbeam Model 9 (1924-27)

admin — Sat, 25 Mar 2023 11:14:11 +0000

The Sunbeam Model 9 motorcycle was produced between 1924 and 1927. It has a single cylinder, OHV engine with a 493 cc / 30.1 cu in capacity, air-cooling and a compression ratio of 6.5:1. The lubrication is dry sump, with an AMAC carburettor and a single exhaust. The ignition is by EIC magneto and it has a push start with a power output of 2.6 kW / 3.5 hp. The transmission is a 3-speed, medium ratio with optional gear ratios of 9.7, 6.5, 4.3:1 or 11.0, 7.4, 4.9:1 for sidecars. The final drive is by chain. The frame is a single front down tube with Druid forks at the front and rigid, spring-loaded saddle at the rear. The brakes are drum, internal expanding with steel, laced wire-spoke wheels with 3.25 x 26″ tyres, optional 3.50 x 26″. The dimensions are; Length: 2083mm / 82.0″, Width: 813mm / 32.0″, Wheelbase: 1372mm / 54.0″ and Saddle height: 711mm / 28.0″. The fuel capacity is 11.4 L / 2.5 Imp gal / 3.0 US gal, with an oil capacity of 2.3 L / 4.0 Imp pt / 4.8 US gal. Source: Marston-Sunbeam / Bonhams.

Technical specifications:

Make Model: Sunbeam Model 9

Year: 1924 – 27
Engine: Single cylinder, OHV
Capacity: 493 cc / 30.1 cu in
Bore x Stroke: 80 x 98 mm mm
Cooling System: Air cooled
Compression Ratio: 6.5:1
Lubrication: Dry sump
Induction: AMAC carburettor
Exhaust: Single
Ignition: EIC Magneto
Starting: Push
Power: 2.6 kW / 3.50 hp
Transmission: 3-Speed, medium ratio
Gear Ratios: 1st 10.3 / 2nd 6.9 / 3rd 4.6:1 Optional: 9.7, 6.5 and 4.3:1 or 11.0, 7.4 and 4.9:1 Side car: 11.8, 7.9 and 5.25:1 or 12.6, 8.4 and 5.6:1
Final Drive: Chain
Frame: Single front down tube
Front Suspension: Druid forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum, internal expanding
Rear Brakes: Drum, internal expanding
Wheels: Steel, laced wire spokes
Tyres, Front and Rear: 3.25 x 26″ (Optional: 3.50 x 26″)
Dimensions: Length: 2083 mm / 82.0″ Width: 813 mm / 32.0″
Wheelbase: 1372 mm / 54 in
Saddle Height: 711 mm / 28.0″
Saddle Height: 711 mm / 28.0″
Fuel Capacity: 11.4 L / 2.5 Imp gal / 3.0 US gal
Oil Capacity: 2.3 L / 4.0 Imp pt / 4.8 US gal
Source: Marston-Sunbeam / Bonhams

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Sunbeam Model 6 Lion (1921-37)

admin — Sat, 25 Mar 2023 06:04:01 +0000

The Sunbeam Model 6 “Lion” motorcycle was manufactured from 1921 to 1937 with an air-cooled, single-cylinder, side valve engine that had a capacity of 492 cc. The compression ratio was 5.0:1 and it had a single exhaust with kick starting, producing 3.4 kW / 4.5 hp power. The transmission was a 3-speed wide ratio with a final drive via chain. The frame was a single downtube cradle and it had Druid forks for the front suspension and rigid spring-loaded saddle for the rear. The front and rear brakes were drums, and the wheels were steel with laced wire spokes. The standard tyres were 3.25 x 26″ but an optional 3.50 x 26″ was available. The dimensions were 2083 mm / 82″ in length, 813 mm / 32″ in width, with a wheelbase of 1359 mm / 53.5″, and a saddle height of 711 mm / 28″. The dry weight was 136 kg / 300 lbs, and it had a fuel capacity of 11.4 L / 2.5 Imp gal / 3.0 US gal and an oil capacity of 2.3 L / 4.0 Imp pt / 4.8 US pt.

Technical specifications:

Make Model: Sunbeam Model 6 “Lion”

Year: 1921 – 37
Engine: Single cylinder, side valve
Capacity: 492 cc / 30.0 cu in
Bore x Stroke: 77 x 105.5 mm
Cooling System: Air cooled
Compression Ratio: 5.0:1
Exhaust: Single
Starting: Kick
Power: 3.4 kW / 4.5 hp
Transmission: 3-Speed wide ratio
Final Drive: Chain
Gear Ratios: 1st 13.7 / 2nd 8.2 / 3rd 4.9:1 (Side car model: 1st 14.6 / 2nd 8.7 / 3rd 5.25:1 or 15.5, 9.3 and 5.6)
Frame: Single downtube cradle
Front Suspension: Druid forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum
Rear Brakes: Drum
Wheels: Steel, laced wire spokes
Tyres, Front and Rear: 3.25 x 26″ (Optional: 3.50 x 26″)
Dimensions: Length: 2083 mm / 82″ Width 813 mm / 32″
Wheelbase: 1359 mm / 53.5″
Saddle Height: 711 mm / 28″
Dry Weight: 136 kg / 300 lbs
Fuel Capacity: 11.4 L / 2.5 Imp gal / 3.0 US gal
Oil Capacity: 2.3 L / 4.0 Imp pt / 4.8 US pt
Source: Sunbeamsidevalve.com

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Honda XR200R (1997)

admin — Fri, 24 Mar 2023 15:13:09 +0000

The Honda XR200R is a motorcycle model that was released in 1997. It boasts a four-stroke, single-cylinder SOHC engine with a 195cc capacity and a compression ratio of 10.2:1. The bike features a 2x 20mm piston valve Keihin carburetor and a solid-state CD ignition system. The maximum power output and torque are not specified. The bike has six-speed transmission with chain final drive, and a gear ratio of 2.769:1, 1.941:1, 1.450:1, 1.130:1, 0.923:1, and 0.785:1. The front suspension contains a 35mm Kayaba shock, while the rear suspension features Pro-link Kayaba dampers with adjustment for spring preload and rebound damping. The front and rear brakes are both drum, and the bike has a front tire size of 3.00-21 and a rear tire size of 4.10-18. The rake angle of the bike is 26 degrees, with a trail size of 105mm. The wheelbase is 1365mm, and the seat height is 905mm. The bike has a dry weight of 102kg and a wet weight of 109kg. Its ground clearance is 315mm, and it has a fuel capacity of 10.9 liters or 2.9 gallons.

Technical specifications:

Make Model: Honda XR 200R

Year: 1997
Engine: Four stroke, single cylinder SOHC, 2 valve
Capacity: 195 cc / 11.8 cu-in
Bore x Stroke: 67 x 56.5 mm
Compression Ratio: 10.2:1
Induction: 2x 20 mm piston valve Keihin carburator
Ignition: Solid state CD
Spark Plug: NGK DR8ES-L
Starting: Kick
Max Power:
Max Torque:
Transmission: 6 Speed
Final Drive: Chain
Gear Ratio: 1st 2.769:1 2nd 1.941:1 3rd 1.450:1 4th 1.130:1 5th 0.923:1 6th 0.785:1
Front Suspension: 35mm Kayaba
Front Wheel Travel: 208 mm / 8.2 in
Rear Suspension: Pro-link Kayaba damper adjustment for spring preload and rebound damping
Rear Wheel Travel: 247 mm / 9.7 in
Front Brakes: Drum
Rear Brakes: Drum
Front Tyre: 3.00-21
Rear Tyre: 4.10-18
Rake: 26 degrees
Trail: 105 mm / 4.1 in
Wheelbase: 1365 mm / 53.7 in
Seat Height: 905 mm / 35.6 in
Dry Weight: 102 kg / 224.8 lbs
Wet-Weight: 109 kg / 240 lbs
Ground Clearance: 315 mm / 12.4 in
Fuel Capacity: 10.9 Litres / 2.9 gal

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Sunbeam Model 7 and 7A (1934-36)

admin — Fri, 24 Mar 2023 11:35:58 +0000

The Sunbeam Model 7 and 7A motorcycles were produced between 1934 and 1936. The bike had a single cylinder, side valve engine with a capacity of 248 cc and a bore x stroke of 64 x 70 mm. It was air-cooled and had a single exhaust. The bike had a kick start and a 4-speed transmission with chain final drive. The frame was a single downtube cradle and the front suspension was Druid forks. The rear suspension was rigid with a spring-loaded saddle, and the front and rear brakes were both drum brakes. The wheels were made of steel with laced wire spokes. This information was sourced from www.sunbeamsidevalve.com.

Technical specifications:

Make Model: Sunbeam Model 16

Year: 1934 – 36
Engine: Single cylinder, side valve
Capacity: 248 cc / 15.1 cu in
Bore x Stroke: 64 x 70 mm
Cooling System: Air cooled
Exhaust: Single
Starting: Kick
Transmission: 4-Speed
Final Drive: Chain
Frame: Single downtube cradle
Front Suspension: Druid forks
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: Drum
Rear Brakes: Drum
Wheels: Steel, laced wire spokes
Source: Sunbeamsidevalve.com

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