YAMAHA Stratoliner | BMW R 12 |
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engine specs | |
Type | |
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Air-cooled, OHV, 8-valve, V-twin | Water-cooled, 2-cylinder, four-stroke boxer engine with four valves per cylinder operated by cam followers and two overhead camshafts per cylinder |
Displacement | |
1854 cm3 | 1170 cm3 |
Bore X Stroke | |
- | 4.0x2.9 in OR 102 mm |
Compression Ratio | |
9.5:1 | - |
Horsepower | |
99/4250 KW(hp)/RPM | 95/6500 KW(hp)/RPM |
Torque | |
123/2250 lb-ft/RPM OR 167/2250 Nm/RPM | 81/6000 lb-ft/RPM OR 110/6000 Nm/RPM |
Fuel System | |
Dual 43 Mm Cross Bore Downdraft Throttle Body FI | - |
transmission specs | |
Gearbox | |
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5 Speed | 6-speed |
Final Drive | |
Belt | Shaft |
chassis specs | |
Frame | |
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- | Tubular space frame in steel, engine self-supporting |
Front Suspension | |
46 Mm Fork | USD telescopic forks, 45 mm |
Rear Suspension | |
Adjustable Link Single Shock | Aluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable |
Front Brake | |
Dual 298 Mm Discs | Twin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers |
Rear Brake | |
320 Mm Disc | Single disc brake, 265 mm, 2-piston floating caliper |
dimension specs | |
Overall Length | |
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101.6 in OR 2581 mm | 86.6 in OR 2200 mm |
Overall Width | |
43.3 in OR 1100 mm | 32.7 in OR 831 mm |
Seat Height | |
28.9 in OR 734 mm | 29.7 in OR 754 mm |
Weelbase | |
67.5 in OR 1715 mm | - |
Ground Clearance | |
6.1 in OR 155 mm | - |
Weight | |
756 lbs OR 343 kg | 500 lbs OR 227 kg |
Fuel Capacity | |
- | 3.7 gallons OR 14.0 L |
Wheelbase | |
67.5 in OR 1715 mm | 59.8 in OR 1519 mm |
tyres specs | |
Front | |
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130/70 R18 | 100/90-19 |
Rear | |
190/60 R17 | 150/80-16 |