| YAMAHA Royal Star Venture S | BMW R 12 |
|---|
| engine specs | |
| Type | |
|---|---|
| liquid-cooled 70° V-four DOHC, 4 valves/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 | |
| 1294 cm3 | 1170 cm3 |
| Bore X Stroke | |
| 3.1x2.6 in OR 79 mm | 4.0x2.9 in OR 102 mm |
| Compression Ratio | |
| 10.0:1 | - |
| Horsepower | |
| 98/0 KW(hp)/RPM | 95/6500 KW(hp)/RPM |
| Torque | |
| 89/4750 lb-ft/RPM OR 121/4750 Nm/RPM | 81/6000 lb-ft/RPM OR 110/6000 Nm/RPM |
| Fuel System | |
| 32mm Mikuni CV carburetors | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-speed, wide-ratio w/5th-gear overdrive | 6-speed |
| Clutch | |
| Hydraulic manual | - |
| Final Drive | |
| Shaft | Shaft |
| chassis specs | |
| Frame | |
|---|---|
| single-backbone | Tubular space frame in steel, engine self-supporting |
| Front Suspension | |
| Telescopic fork air-assist, 5.5-in travel | USD telescopic forks, 45 mm |
| Rear Suspension | |
| Single shock air-assist, 4.1-in travel | Aluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable |
| Front Brake | |
| Dual hydraulic disc, 298mm | Twin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers |
| Rear Brake | |
| Hydraulic disc, 320mm | Single disc brake, 265 mm, 2-piston floating caliper |
| dimension specs | |
| Overall Length | |
|---|---|
| 104.5 in OR 2654 mm | 86.6 in OR 2200 mm |
| Overall Width | |
| 35.4 in OR 899 mm | 32.7 in OR 831 mm |
| Seat Height | |
| 29.5 in OR 749 mm | 29.7 in OR 754 mm |
| Weight | |
| 869 lbs OR 394 kg | 500 lbs OR 227 kg |
| Fuel Capacity | |
| 6.1 gallons OR 23.1 L | 3.7 gallons OR 14.0 L |
| Wheelbase | |
| 67.1 in OR 1704 mm | 59.8 in OR 1519 mm |
| tyres specs | |
| Front | |
|---|---|
| 150/80-16 71H | 100/90-19 |
| Rear | |
| 150/90B15M/C 74H | 150/80-16 |
