TRIUMPH Bonneville | BMW R 12 |
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engine specs | |
Type | |
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air-cooled, four-stroke, parallel-twin, 4 valve | Water-cooled, 2-cylinder, four-stroke boxer engine with four valves per cylinder operated by cam followers and two overhead camshafts per cylinder |
Displacement | |
865 cm3 | 1170 cm3 |
Bore X Stroke | |
3.5x2.7 in OR 89 mm | 4.0x2.9 in OR 102 mm |
Compression Ratio | |
9.2:1 | - |
Horsepower | |
68/7250 KW(hp)/RPM | 95/6500 KW(hp)/RPM |
Torque | |
50/5800 lb-ft/RPM OR 68/5800 Nm/RPM | 81/6000 lb-ft/RPM OR 110/6000 Nm/RPM |
Fuel System | |
2 x carburetors | - |
transmission specs | |
Gearbox | |
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5-speed, manual | 6-speed |
Clutch | |
wet multi-disc, manual | - |
Final Drive | |
X-ring chain | Shaft |
chassis specs | |
Frame | |
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tubular steel cradle | Tubular space frame in steel, engine self-supporting |
Front Suspension | |
41mm Kayaba telescopic forks | USD telescopic forks, 45 mm |
Rear Suspension | |
Kayaba chrome spring twin shocks with adjustable preload | Aluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable |
Front Brake | |
single 310mm disc | Twin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers |
Rear Brake | |
single 255mm disc | Single disc brake, 265 mm, 2-piston floating caliper |
dimension specs | |
Overall Length | |
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83.3 in OR 2116 mm | 86.6 in OR 2200 mm |
Overall Width | |
31.1 in OR 790 mm | 32.7 in OR 831 mm |
Seat Height | |
29.1 in OR 739 mm | 29.7 in OR 754 mm |
Weight | |
496 lbs OR 225 kg | 500 lbs OR 227 kg |
Fuel Capacity | |
4.2 gallons OR 15.9 L | 3.7 gallons OR 14.0 L |
Wheelbase | |
58.7 in OR 1491 mm | 59.8 in OR 1519 mm |
tyres specs | |
Front | |
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110/70 R17 | 100/90-19 |
Rear | |
130/80 R17 | 150/80-16 |