YAMAHA Royal Star Boulevard | APRILIA RS 457 |
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engine specs | |
Type | |
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Liquid-cooled, DOHC, 16-valve, V-4 | liquid-cooled twin-cylinder engine with dual camshaft timing and four valves per cylinder |
Displacement | |
1294 cm3 | - |
Bore X Stroke | |
3.1x0.2 in OR 79 mm | - |
Compression Ratio | |
10:1 | - |
Horsepower | |
75/4750 KW(hp)/RPM | 48/- KW(hp)/RPM |
Torque | |
83/3500 lb-ft/RPM OR 113/3500 Nm/RPM | - |
Fuel System | |
4 Mikuni BDSR32 CV carburetors | - |
transmission specs | |
Gearbox | |
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5 speed, manual, wide ratio, overdrive 4th and 5th | - |
Clutch | |
Wet multi-disc, manual | - |
Final Drive | |
Shaft | - |
chassis specs | |
Frame | |
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Steel | Aluminium frame |
Front Suspension | |
43mm adjustable fork, 5.5 in. travel | - |
Rear Suspension | |
Single shock, 3.7 in. travel | - |
Front Brake | |
Dual 298mm discs | - |
Rear Brake | |
320mm disc | - |
dimension specs | |
Overall Length | |
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97.6 in OR 2479 mm | - |
Overall Width | |
36.4 in OR 925 mm | - |
Seat Height | |
28.5 in OR 724 mm | - |
Ground Clearance | |
5.9 in OR 150 mm | - |
Weight | |
710 lbs OR 322 kg | 351 lbs OR 159 kg |
Fuel Capacity | |
4.8 gallons OR 18.2 L | - |
Wheelbase | |
66.7 in OR 1694 mm | - |
tyres specs | |
Front | |
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150/80-16 | - |
Rear | |
150/90-15M/C | - |