Comparison of BMW R2 Series 2 33 and BMW R25 2 1952

Attribute	BMW R25 2 1952 ×	BMW R2 Series 2 33 ×
General
Production from (year)	1952	1933
Make	BMW	BMW
Model	BMW R25 2	BMW R2 Series 2 33
Category	Allround	Allround
Engine and transmission
Engine type	Single cylinder, four-stroke	Single cylinder, four-stroke
Fuel system	Carburettor. Bing	Carburettor. Amal
Displacement (cm³)	247	198
Power (kw)	8.7	4.4
Fuel consumption (l/100km)	2.9	2.75
Cooling system	Air	Air
Transmission type,final drive	Shaft drive (cardan)	Shaft drive (cardan)
Bore (mm)	68	63
Stroke (mm)	68	64
Gearbox	4-speed	3-speed
Greenhouse gases	67.3 CO2 g/km. (CO2 - Carbon dioxide emission)	63.8 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel control	Overhead Valves (OHV)	Overhead Valves (OHV)
Ignition	Battery	Battery
Clutch	Single plate dry-cable operated	Dry-single plate-cable operated
Lubrication system	Wet sump	Wet sump
Compression	6.5:1	6.7:1
Chassis
Front suspension	Cartridge	Cartridge
Rear suspension	Twin shock-Plunger	Rigid
Front brakes	Expanding brake (drum brake)	Expanding brake (drum brake)
Rear brakes	Expanding brake (drum brake)	Expanding brake (drum brake)
Diameter (mm)	160	180
Frame type	Steel-single cradlel	Pressed steel duplex
Front tyre	2.99-19	2.99-25.00
Rear tyre	2.99-19	2.99-25.00
Seat	Solo seat with springs	Solo seat with springs
Other
Starter	Kick	Kick
Carrying capacity	-	160kg
Dimensions
Wheelbase (mm)	1,335	1,320
Kerb weight (kg)	140	130
Overall height (mm)	730	950
Overall length (mm)	2,020	1,950
Overall width (mm)	790	850
Ground clearance (mm)	108	-
Performance
Top speed (km/h)	80	95
Fuel capacity (l)	12	11