JUNAK B20 | APRILIA RS 457 |
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engine specs | |
Type | |
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Four stroke, single cylinder, OHV | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
Displacement | |
349 cm3 | - |
Bore X Stroke | |
3.0x3.1 in OR 76 mm | - |
Compression Ratio | |
7.0:1 | - |
Horsepower | |
19/6000 KW(hp)/RPM | 48/- KW(hp)/RPM |
Torque | |
20/3800 lb-ft/RPM OR 27/3800 Nm/RPM | - |
Fuel System | |
Carburetor | - |
transmission specs | |
Gearbox | |
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4-Speed | - |
Clutch | |
Wet Multi-plate | - |
Final Drive | |
Chain | - |
chassis specs | |
Frame | |
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Double, cradle-type, welded throughout of tubing, provided with holders for side car mounting | Aluminium frame |
Front Suspension | |
Fork with coil springs telescopic shock absorbers | - |
Rear Suspension | |
Independent rear wheel suspension on single wishbone , cooperating with 7- leaf spring positioned transversely | - |
Front Brake | |
Full hub width, of expander shoe type, hand operated | - |
Rear Brake | |
Full hub width, of expander shoe type, foot operated | - |
dimension specs | |
Overall Length | |
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120.3 in OR 3056 mm | - |
Overall Width | |
55.9 in OR 1420 mm | - |
Seat Height | |
29.7 in OR 754 mm | - |
Ground Clearance | |
6.7 in OR 170 mm | - |
Weight | |
705 lbs OR 320 kg | 351 lbs OR 159 kg |
Fuel Capacity | |
4.5 gallons OR 17.0 L | - |
Wheelbase | |
79.1 in OR 2009 mm | - |