Comparison of Aprilia SR 50 GP1 Race Replica and DKW Hummel 155

Attribute	Aprilia SR 50 GP1 Race Replica ×	DKW Hummel 155 ×
General
Production from (year)	2003	1965
Make	Aprilia	DKW
Model	Aprilia SR 50 GP1 Race Replica	DKW Hummel 155
Category	Scooter	Allround
Engine and transmission
Engine type	Single cylinder, two-stroke	Single cylinder, two-stroke
Fuel system	Injection	Carburettor. Bing
Displacement (cm³)	49	50
Power (kw)	8.8	-
Cooling system	Liquid	-
Transmission type,final drive	Belt	Chain
Compression	12.0:1	-
Exhaust system	Fat Boy Curve Chrome 2-Stroke	-
Chassis
Front suspension	-	Link with coil-over shocks
Rear suspension	-	Swingarm with coil-over shocks
Front brakes	-	Expanding brake (drum brake)
Rear brakes	-	Expanding brake (drum brake)
Other
Starter	Electric	-
Performance
Top speed (km/h)	88	72