| OSSA TR 250I | BMW R 12 |
|---|
| engine specs | |
| Type | |
|---|---|
| Two-stroke single cylinder inverted admission direct reed crankcase | Water-cooled, 2-cylinder, four-stroke boxer engine with four valves per cylinder operated by cam followers and two overhead camshafts per cylinder |
| Displacement | |
| 249.2 cm3 | 1170 cm3 |
| Bore X Stroke | |
| 2.8x2.4 in OR 71 mm | 4.0x2.9 in OR 102 mm |
| Horsepower | |
| - | 95/6500 KW(hp)/RPM |
| Torque | |
| - | 81/6000 lb-ft/RPM OR 110/6000 Nm/RPM |
| Fuel System | |
| EFI Kokusan Batery-less System | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 6-Speed | 6-speed |
| Clutch | |
| Hydraulic | - |
| Primary Drive | |
| Gears | - |
| Final Drive | |
| Chain | Shaft |
| chassis specs | |
| Frame | |
|---|---|
| Tubular profile CR-Mo steel with pipe of aluminium and forged aluminum lower | Tubular space frame in steel, engine self-supporting |
| Front Suspension | |
| Fork with aluminum bars, 40 mm diameter Marzocchi adjustable compression and rebound | USD telescopic forks, 45 mm |
| Rear Suspension | |
| Variable progressive system with shock absorber Öhlins TTX adjustable compression and rebound | Aluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable |
| Front Brake | |
| Single disc diameter 185 mm 4-piston caliper | Twin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers |
| Rear Brake | |
| Single disc diameter 150 mm 2-piston caliper | Single disc brake, 265 mm, 2-piston floating caliper |
| dimension specs | |
| Overall Length | |
|---|---|
| - | 86.6 in OR 2200 mm |
| Overall Width | |
| - | 32.7 in OR 831 mm |
| Seat Height | |
| 25.8 in OR 655 mm | 29.7 in OR 754 mm |
| Ground Clearance | |
| 13.4 in OR 340 mm | - |
| Weight | |
| 151 lbs OR 68 kg | 500 lbs OR 227 kg |
| Fuel Capacity | |
| 0.7 gallons OR 2.6 L | 3.7 gallons OR 14.0 L |
| Wheelbase | |
| 52.3 in OR 1328 mm | 59.8 in OR 1519 mm |
| tyres specs | |
| Front | |
|---|---|
| 2.75 x21 | 100/90-19 |
| Rear | |
| 4.00 x18 | 150/80-16 |
