| BETA Minicross R-12 | BMW R 12 |
|---|
| engine specs | |
| Type | |
|---|---|
| Single-cylinder, 2-stroke, air cooled, lamellar induction in the 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 | |
| 49 cm3 | 1170 cm3 |
| Bore X Stroke | |
| 1.6x1.6 in OR 41 mm | 4.0x2.9 in OR 102 mm |
| Compression Ratio | |
| 12.5:1 | - |
| Horsepower | |
| - | 95/6500 KW(hp)/RPM |
| Torque | |
| - | 81/6000 lb-ft/RPM OR 110/6000 Nm/RPM |
| Fuel System | |
| Carburetor, Dell'Orto SHA 14 - 12L | - |
| transmission specs | |
| Gearbox | |
|---|---|
| - | 6-speed |
| Clutch | |
| Wet automatic centrifugal type | - |
| Primary Drive | |
| Gears | - |
| Final Drive | |
| - | Shaft |
| chassis specs | |
| Frame | |
|---|---|
| - | Tubular space frame in steel, engine self-supporting |
| Front Suspension | |
| Mechanical fork with ø30 mm shaft | USD telescopic forks, 45 mm |
| Rear Suspension | |
| Hydraulic mono shock absorber | Aluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable |
| Front Brake | |
| Mechanical drive drum ø90 mm | Twin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers |
| Rear Brake | |
| Mechanical drive drum ø90 mm | Single disc brake, 265 mm, 2-piston floating caliper |
| dimension specs | |
| Overall Length | |
|---|---|
| 62.2 in OR 1580 mm | 86.6 in OR 2200 mm |
| Overall Width | |
| 26.4 in OR 671 mm | 32.7 in OR 831 mm |
| Seat Height | |
| 29.1 in OR 739 mm | 29.7 in OR 754 mm |
| Ground Clearance | |
| 11 in OR 279 mm | - |
| Weight | |
| 101 lbs OR 46 kg | 500 lbs OR 227 kg |
| Fuel Capacity | |
| 0.5 gallons OR 1.9 L | 3.7 gallons OR 14.0 L |
| Wheelbase | |
| 43.3 in OR 1100 mm | 59.8 in OR 1519 mm |
| tyres specs | |
| Front | |
|---|---|
| 2.50x15 | 100/90-19 |
| Rear | |
| 3.00x 2 | 150/80-16 |
