| KAWASAKI KX450F | BMW R 12 |
|---|
| engine specs | |
| Type | |
|---|---|
| Liquid-cooled, 4-stroke Single | Water-cooled, 2-cylinder, four-stroke boxer engine with four valves per cylinder operated by cam followers and two overhead camshafts per cylinder |
| Displacement | |
| 449 cm3 | 1170 cm3 |
| Bore X Stroke | |
| 3.8x2.4 in OR 97 mm | 4.0x2.9 in OR 102 mm |
| Compression Ratio | |
| 12.0:1 | - |
| Horsepower | |
| 56/8500 KW(hp)/RPM | 95/6500 KW(hp)/RPM |
| Torque | |
| 37/7000 lb-ft/RPM OR 50/7000 Nm/RPM | 81/6000 lb-ft/RPM OR 110/6000 Nm/RPM |
| Fuel System | |
| Fuel injection: 43 mm x 1 (Keihin) | - |
| transmission specs | |
| Gearbox | |
|---|---|
| 5-speed, return | 6-speed |
| Clutch | |
| Wet multi-disc, manual | - |
| Final Drive | |
| Chain | Shaft |
| chassis specs | |
| Frame | |
|---|---|
| Perimeter, aluminium | Tubular space frame in steel, engine self-supporting |
| Front Suspension | |
| 48 mm upside-down AOS-type telescopic fork Compression damping: 22-way Rebound damping: 20-way | USD telescopic forks, 45 mm |
| Rear Suspension | |
| New Uni-Trak Compression damping: 22-way (low-speed), 2-turns or more (high-speed) Rebound damping: 22-way Spring preload: Fully adjustable | Aluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable |
| Front Brake | |
| Single semi-floating 250 mm petal disc Caliper: Dual-piston | Twin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers |
| Rear Brake | |
| Single 240 mm petal disc Caliper: Single-piston | Single disc brake, 265 mm, 2-piston floating caliper |
| dimension specs | |
| Overall Length | |
|---|---|
| 86 in OR 2184 mm | 86.6 in OR 2200 mm |
| Overall Width | |
| 32.3 in OR 820 mm | 32.7 in OR 831 mm |
| Seat Height | |
| 38 in OR 965 mm | 29.7 in OR 754 mm |
| Ground Clearance | |
| 13.4 in OR 340 mm | - |
| Weight | |
| 250 lbs OR 113 kg | 500 lbs OR 227 kg |
| Fuel Capacity | |
| 1.9 gallons OR 7.2 L | 3.7 gallons OR 14.0 L |
| Wheelbase | |
| 58.3 in OR 1481 mm | 59.8 in OR 1519 mm |
| tyres specs | |
| Front | |
|---|---|
| 90/100-21 57M | 100/90-19 |
| Rear | |
| 120/80-19 63M | 150/80-16 |
