Comparison of Ariel FH 650 Huntmaster 1955 and DKW SB 500A 1937

Attribute	Ariel FH 650 Huntmaster 1955 ×	DKW SB 500A 1937 ×
General
Production from (year)	1955	1937
Make	Ariel	DKW
Model	Ariel FH 650 Huntmaster	DKW SB 500A
Category	Allround	Allround
Engine and transmission
Engine type	Twin, four-stroke	Twin, two-stroke
Fuel system	Carburettor. Amal	Carburettor. Bing
Engine details	BSA A10 engine	Combined two 247cc cylinders on a single block
Displacement (cm³)	646	494
Power (kw)	25.5	-
Fuel consumption (l/100km)	5.1	3.5
Cooling system	Air	Liquid
Transmission type,final drive	Chain	Chain
Bore (mm)	70	68
Stroke (mm)	84	68
Gearbox	4-speed	-
Greenhouse gases	118.3 CO2 g/km. (CO2 - Carbon dioxide emission)	81.2 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel control	Overhead Valves (OHV)	-
Ignition	Magneto	-
Clutch	-	Foot-operated
Lubrication system	Dry sump, two pumps	-
Compression	6.5:1	5.7:1
Exhaust system	Twin pipe	-
Chassis
Front suspension	Telescopic fork, hydraulic	Girder fork coil spring
Rear suspension	Dual coil springs	Rigid-
Front brakes	Expanding brake (drum brake)	Expanding brake (drum brake)
Rear brakes	Expanding brake (drum brake)	Expanding brake (drum brake)
Frame type	Duplex down tubes, swingarm	-
Front tyre	3.25-19	3.50-19
Rear tyre	3.50-19	3.50-19
Wheels	Steel, wire spokes	-
Other
Starter	Kick	Electric
Color options	black/yellow	-
Light	-	Twin headlights
Dimensions
Wheelbase (mm)	1,422	1,385
Dry weight (kg)	181	235
Power/weight ratio	0.1409	-
Overall length (mm)	2,184	2,125
Seat height (mm)	787	675
Ground clearance (mm)	140	-
Performance
Top speed (km/h)	148	115
Fuel capacity (l)	15.14	13
Oil capacity (l)	2.3	-