Comparison of Ariel KH 500 Fieldmaster 1957 and Ariel KH 500 Red Hunter 1953

Attribute	Ariel KH 500 Fieldmaster 1957 ×	Ariel KH 500 Red Hunter 1953 ×
General
Production from (year)	1957	1953
Make	Ariel	Ariel
Model	Ariel KH 500 Fieldmaster	Ariel KH 500 Red Hunter
Category	Allround	Allround
Engine and transmission
Engine type	Twin, four-stroke	Twin, four-stroke
Fuel system	Carburettor	Carburettor
Displacement (cm³)	498	498
Power (kw)	20.5	20.5
Fuel consumption (l/100km)	3.04	3.04
Cooling system	Air	Air
Transmission type,final drive	Chain	Chain
Bore (mm)	56	56
Stroke (mm)	86	86
Gearbox	4-speed	4-speed
Greenhouse gases	70.5 CO2 g/km. (CO2 - Carbon dioxide emission)	70.5 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel control	Overhead Valves (OHV)	Overhead Valves (OHV)
Ignition	Lucas	Lucas
Clutch	Dry plate	Dry plate
Lubrication system	Dry sump	Dry sump
Compression	6.8:1	6.8:1
Exhaust system	2-into-2 pipes	2-into-2 pipes
Chassis
Front suspension	Telescopic forks	Telescopic forks
Rear suspension	Rigid	Rigid
Front brakes	Expanding brake (drum brake)	Expanding brake (drum brake)
Rear brakes	Expanding brake (drum brake)	Expanding brake (drum brake)
Frame type	Duplex loop	Duplex loop
Front tyre	3.00-20	3.00-20
Rear tyre	3.50-19	3.50-19
Seat	Solo seat with springs	Solo seat with springs
Wheels	Wire spoked. Dunlop tyres.	Wire spoked. Dunlop tyres.
Other
Starter	Kick	Kick
Color options	red	red
Dimensions
Wheelbase (mm)	1,422	1,422
Dry weight (kg)	177	177
Power/weight ratio	0.1158	0.1158
Overall length (mm)	2,184	2,184
Overall width (mm)	686	686
Seat height (mm)	787	787
Ground clearance (mm)	140	140
Performance
Top speed (km/h)	145	145
Fuel capacity (l)	17	17