ATK GV250 | BMW R 12 |
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engine specs | |
Type | |
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air-cooled, four-stroke, 75-degree V-Twin, DOHC, 4 valves per cylinder | 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 cm3 | 1170 cm3 |
Bore X Stroke | |
2.2x1.9 in OR 56 mm | 4.0x2.9 in OR 102 mm |
Compression Ratio | |
10.3:1 | - |
Horsepower | |
25/10000 KW(hp)/RPM | 95/6500 KW(hp)/RPM |
Torque | |
16/7500 lb-ft/RPM OR 22/7500 Nm/RPM | 81/6000 lb-ft/RPM OR 110/6000 Nm/RPM |
Fuel System | |
EFI | - |
transmission specs | |
Gearbox | |
---|---|
5-speed, manual | 6-speed |
Clutch | |
wet multi-disc, manual | - |
Final Drive | |
chain | Shaft |
chassis specs | |
Frame | |
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steel | Tubular space frame in steel, engine self-supporting |
Front Suspension | |
upside-down fork | USD telescopic forks, 45 mm |
Rear Suspension | |
dual shocks | Aluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable |
Front Brake | |
single disc, 2-piston caliper | Twin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers |
Rear Brake | |
drum | 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 | |
27.9 in OR 709 mm | 29.7 in OR 754 mm |
Ground Clearance | |
5.9 in OR 150 mm | - |
Weight | |
368 lbs OR 167 kg | 500 lbs OR 227 kg |
Fuel Capacity | |
3.7 gallons OR 14.0 L | 3.7 gallons OR 14.0 L |
Wheelbase | |
59.4 in OR 1509 mm | 59.8 in OR 1519 mm |
tyres specs | |
Front | |
---|---|
110/90-ZR16 59S | 100/90-19 |
Rear | |
150/80 ZR15 70S | 150/80-16 |