APRILIA SR 50 Factory | APRILIA RS 457 |
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engine specs | |
Type | |
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liquid-cooled, single cylinder, 2-stroke | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
Displacement | |
49 cm3 | - |
Bore X Stroke | |
1.6x1.5 in OR 41 mm | - |
Compression Ratio | |
12:1:1 | - |
Horsepower | |
4/6500 KW(hp)/RPM | 48/- KW(hp)/RPM |
Torque | |
4/0 lb-ft/RPM OR 5/0 Nm/RPM | - |
Fuel System | |
DellOrto carburettor, 17.5 mm | - |
transmission specs | |
Gearbox | |
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automatic CVT | - |
Clutch | |
Automatic centrifugal dry clutch | - |
Primary Drive | |
v belt | - |
chassis specs | |
Frame | |
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split single cradle frame in high tensile strength steel tube | Aluminium frame |
Front Suspension | |
telescopic hydraulic fork | - |
Rear Suspension | |
engine unit acting as swingarm, frame linkages on two radial silent block mountings | - |
Front Brake | |
dual 190 mm with racing calliper with 2 opposing pistons, 32 mm | - |
Rear Brake | |
dual 190 mm with racing calliper with 2 opposing pistons, 32 mm | - |
dimension specs | |
Overall Length | |
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73.2 in OR 1859 mm | - |
Overall Width | |
27.8 in OR 706 mm | - |
Seat Height | |
31.3 in OR 795 mm | - |
Weight | |
- | 351 lbs OR 159 kg |
Fuel Capacity | |
1.8 gallons OR 6.8 L | - |
Wheelbase | |
49.6 in OR 1260 mm | - |
tyres specs | |
Front | |
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130/60 R13 | - |
Rear | |
130/60 R13 | - |