Engine and transmission
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Engine type: | 1 cylinders, Single |
Displacement: | 49 cc (2.99 cubic inches) |
Bore × stroke: | 1.57 inch × 1.54 inch (square) |
Cooling system: | Air cooled |
Power: | 2.72 HP (2 kW) @ 7000 rpm |
Torque: | 2.78 Nm (2.05 lb-ft) @ 7000 rpm |
Throttle: | Cable operated |
Valves | |
Valves per cylinder: | 4 |
Fuel and ignition | |
Sparks per cylinder: | 1 |
Ignition type: | Digital CDI |
Compression: | 11.6:1 |
Engine mounting: | Transverse |
Lubrication system: | Wet sump |
Gear box: | Automatic |
Clutch: | Wet, cable operated |
Final drive: | Belt |
Starter: | Electric |
Dimensions
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Physical measures | |
Length: | 68.5 inch |
Width: | 26.6 inch |
Height: | 41.9 inch |
Wheel base: | 47.6 inch |
Ground clearance: | 5.2 inch |
Seat height: | 30.3 inch |
Weight | |
Curb weight: | 178.6 lbs |
Chassis and suspension
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Front | |
Suspension: | Cartridge |
Suspension travel: | 2.76 inch |
Brake: | Single Disk, Ø7.48 inch |
Tire: | 110 / 70 R12 |
Rear | |
Suspension travel: | 2.36 inch |
Brake: | Drum, Ø4.33 inch |
Tire: | 120 / 70 R12 |
Other
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ABS available: | No |
Power-to-weight ratio: | 0.02 KW/lbs (40.50 lbs/HP) |
Fuel capacity: | 1.45 gals |
Number of riders: | 2 persons |
Air cooled, 49cc, Single, SOHC |
399cc, Inline-2, DOHC |
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2010 Aprilia SR 50 R Factory SBK Replica Water cooled, 49cc, Single, 2-stroke, Reed valve |