YAMAHA BW's 125 | BMW R 12 |
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engine specs | |
Type | |
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Single cylinder, air-cooled, 4-stroke, SOHC, 4-valves | Water-cooled, 2-cylinder, four-stroke boxer engine with four valves per cylinder operated by cam followers and two overhead camshafts per cylinder |
Displacement | |
125 cm3 | 1170 cm3 |
Bore X Stroke | |
2.1x2.3 in OR 53 mm | 4.0x2.9 in OR 102 mm |
Compression Ratio | |
10.0:1 | - |
Horsepower | |
10/7500 KW(hp)/RPM | 95/6500 KW(hp)/RPM |
Torque | |
7/6000 lb-ft/RPM OR 9/6000 Nm/RPM | 81/6000 lb-ft/RPM OR 110/6000 Nm/RPM |
Fuel System | |
Electronic Fuel injection | - |
transmission specs | |
Gearbox | |
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Automatic | 6-speed |
Clutch | |
Automatic CVT | - |
Final Drive | |
Belt | Shaft |
chassis specs | |
Frame | |
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Steel | Tubular space frame in steel, engine self-supporting |
Front Suspension | |
Telescopic fork, 78 mm travel | USD telescopic forks, 45 mm |
Rear Suspension | |
Unit Swing, 71 mm travel | Aluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable |
Front Brake | |
Hydraulic single disc, 189 mm | Twin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers |
Rear Brake | |
Drum, 150 mm | Single disc brake, 265 mm, 2-piston floating caliper |
dimension specs | |
Overall Length | |
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75.2 in OR 1910 mm | 86.6 in OR 2200 mm |
Overall Width | |
28.1 in OR 714 mm | 32.7 in OR 831 mm |
Seat Height | |
30.7 in OR 780 mm | 29.7 in OR 754 mm |
Ground Clearance | |
5.1 in OR 130 mm | - |
Weight | |
267 lbs OR 121 kg | 500 lbs OR 227 kg |
Fuel Capacity | |
1.6 gallons OR 6.1 L | 3.7 gallons OR 14.0 L |
Wheelbase | |
50.8 in OR 1290 mm | 59.8 in OR 1519 mm |
tyres specs | |
Front | |
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120/70-12 | 100/90-19 |
Rear | |
130/70-12 | 150/80-16 |