YAMAHA SR 500 | BMW R 12 |
---|
engine specs | |
Type | |
---|---|
Air Cooled, Four Stroke, Single Cylinder, SOHC, 2 Valves Per Cylinder | Water-cooled, 2-cylinder, four-stroke boxer engine with four valves per cylinder operated by cam followers and two overhead camshafts per cylinder |
Displacement | |
499 cm3 | 1170 cm3 |
Bore X Stroke | |
3.4x3.3 in OR 86 mm | 4.0x2.9 in OR 102 mm |
Compression Ratio | |
8.3:1 | - |
Horsepower | |
32/6500 KW(hp)/RPM | 95/6500 KW(hp)/RPM |
Torque | |
27/5500 lb-ft/RPM OR 37/5500 Nm/RPM | 81/6000 lb-ft/RPM OR 110/6000 Nm/RPM |
Fuel System | |
34 mm Mikuni VM34SS Carburetors | - |
transmission specs | |
Gearbox | |
---|---|
5-Speed | 6-speed |
Clutch | |
Wet multi-plate | - |
Final Drive | |
Chain | Shaft |
chassis specs | |
Frame | |
---|---|
Half Duplex cradle | Tubular space frame in steel, engine self-supporting |
Front Suspension | |
Telescopic Forks | USD telescopic forks, 45 mm |
Rear Suspension | |
Adjustable Spring Preload | Aluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable |
Front Brake | |
Single disc 200 mm | Twin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers |
Rear Brake | |
Drum | Single disc brake, 265 mm, 2-piston floating caliper |
dimension specs | |
Overall Length | |
---|---|
- | 86.6 in OR 2200 mm |
Overall Width | |
33.3 in OR 846 mm | 32.7 in OR 831 mm |
Seat Height | |
31.9 in OR 810 mm | 29.7 in OR 754 mm |
Weight | |
381 lbs OR 173 kg | 500 lbs OR 227 kg |
Fuel Capacity | |
3.17 gallons OR 12.0 L | 3.7 gallons OR 14.0 L |
Wheelbase | |
55.3 in OR 1405 mm | 59.8 in OR 1519 mm |
tyres specs | |
Front | |
---|---|
3.50-19 | 100/90-19 |
Rear | |
4.00-18 | 150/80-16 |