| TRIUMPH Thunderbird | BMW R 12 |
|---|
| engine specs | |
| Type | |
|---|---|
| 4-stroke, liquid-cooled, DOHC, parallel-twin | Water-cooled, 2-cylinder, four-stroke boxer engine with four valves per cylinder operated by cam followers and two overhead camshafts per cylinder |
| Displacement | |
| 1597 cm3 | 1170 cm3 |
| Bore X Stroke | |
| 4.1x3.7 in OR 104 mm | 4.0x2.9 in OR 102 mm |
| Compression Ratio | |
| 9.7:1 | - |
| Horsepower | |
| 86/4850 KW(hp)/RPM | 95/6500 KW(hp)/RPM |
| Torque | |
| 108/2,750 lb-ft/RPM OR 146/2,750 Nm/RPM | 81/6000 lb-ft/RPM OR 110/6000 Nm/RPM |
| Fuel System | |
| EFI | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-speed, manual | 6-speed |
| Clutch | |
| wet, multiplate, manual | - |
| Final Drive | |
| toothed belt | Shaft |
| chassis specs | |
| Frame | |
|---|---|
| tubular steel, twin spine | Tubular space frame in steel, engine self-supporting |
| Front Suspension | |
| Showa 47mm forks. 120mm travel | USD telescopic forks, 45 mm |
| Rear Suspension | |
| Showa chromed spring twin shocks with 5 position adjustable preload. 95mm rear wheel travel | Aluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable |
| Front Brake | |
| twin 310mm floating discs. Nissin 4-piston fixed calipers, ABS | Twin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers |
| Rear Brake | |
| single 310mm disc. Brembo 2-piston floating caliper, ABS | Single disc brake, 265 mm, 2-piston floating caliper |
| dimension specs | |
| Overall Length | |
|---|---|
| 92.1 in OR 2339 mm | 86.6 in OR 2200 mm |
| Overall Width | |
| 34.6 in OR 879 mm | 32.7 in OR 831 mm |
| Seat Height | |
| 27.6 in OR 701 mm | 29.7 in OR 754 mm |
| Weight | |
| 747 lbs OR 339 kg | 500 lbs OR 227 kg |
| Fuel Capacity | |
| 5.8 gallons OR 22.0 L | 3.7 gallons OR 14.0 L |
| Wheelbase | |
| 63.6 in OR 1615 mm | 59.8 in OR 1519 mm |
| tyres specs | |
| Front | |
|---|---|
| 120/70 ZR 19 | 100/90-19 |
| Rear | |
| 200/50 ZR 17 | 150/80-16 |
