Engine | BMW R1200RT | BMW R 1250RT |
---|---|---|
Engine code | 122EN | |
Displacement | 1170 cc | 1254 cc |
Max power | 123 hp (@7 750 RPM) | 134 hp (@7 750 RPM) |
Max torque | 92 lb ft (@6 500 RPM) | 105 lb ft (@6 250 RPM) |
Redline | 9 000 RPM | |
Idling speed | 1 150 RPM | |
Management | Fuel Injection | Fuel Injection |
Layout | DOHC Flat-2 | DOHC Flat-2 |
Compression | 12.50:1 | 12.50:1 |
Oil type | 5W40 | |
Spark plug type | NGK LMAR8D-J | |
Cooling | Liquid | Liquid |
Valves | 8 | 4 |
Bore | 101.0 mm | 102.5 mm |
Stroke | 73.0 mm | 76.0 mm |
Weight to power | 4.91 lbs/hp | 4.59 lbs/hp |
Power to weight | 509 hp/2500lbs | 544 hp/2500lbs |
Battery type | 12V 16Ah |
Gearbox | BMW R1200RT | BMW R 1250RT |
---|---|---|
Type | Sequential | Sequential |
Clutch | Wet | Slipper |
Drive | Shaft | Shaft |
Chain type | ||
Gears count | 6 | 6 |
Primary ratio | 1.65 | 1.65 |
Final drive | 2.75 | 1.061 |
1. gear | 2.438 (60 mph) | 2.438 |
2. gear | 1.714 (85 mph) | 1.714 |
3. gear | 1.296 (113 mph) | 1.296 |
4. gear | 1.059 (138 mph) | 1.059 |
5. gear | 0.943 (155 mph) | 0.943 |
6. gear | 0.848 (173 mph) | 0.848 |
Chasis | BMW R1200RT | BMW R 1250RT |
---|---|---|
Frame type | Steel | |
Front susp. | BMW Telelever, 120mm wheel travel | 37 mm Telelever, 4.72 in travel |
Rear susp. | Single swinging arm BMW Paralever, 135mm wheel travel | Paralever, 5.35 in travel |