YAMAHA YFZ-450R | BMW R 12 |
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engine specs | |
Type | |
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Liquid-cooled DOHC 4-stroke, 5 titanium 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 | |
449 cm3 | 1170 cm3 |
Bore X Stroke | |
3.7x2.5 in OR 94 mm | 4.0x2.9 in OR 102 mm |
Compression Ratio | |
11.8:1 | - |
Horsepower | |
- | 95/6500 KW(hp)/RPM |
Torque | |
- | 81/6000 lb-ft/RPM OR 110/6000 Nm/RPM |
Fuel System | |
Yamaha Fuel Injection (YFI), 42mm | - |
transmission specs | |
Gearbox | |
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5-Speed | 6-speed |
Clutch | |
Slipper clutch | - |
Final Drive | |
O-ring chain, 2WD | Shaft |
chassis specs | |
Frame | |
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Aluminium / Steel | Tubular space frame in steel, engine self-supporting |
Front Suspension | |
Independent double wishbone w/Kashima coated piggyback shocks high/low speed compression, rebound and threaded preload adjustment, 9.8-in travel | USD telescopic forks, 45 mm |
Rear Suspension | |
Cast aluminum swingarm w/piggyback shocks high/low speed compression, rebound and threaded preload adjustment, 11.0-in travel | Aluminium Paralever swinging arm, directly linked WAD spring strut, spring base and rebound damping adjustable |
Front Brake | |
Dual hydraulic disc | Twin disc brake, floating brake discs, 310 mm, 4-piston monobloc fixed calipers |
Rear Brake | |
Wave-style hydraulic disc | Single disc brake, 265 mm, 2-piston floating caliper |
dimension specs | |
Overall Length | |
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70.7 in OR 1796 mm | 86.6 in OR 2200 mm |
Overall Width | |
48.8 in OR 1240 mm | 32.7 in OR 831 mm |
Seat Height | |
31.9 in OR 810 mm | 29.7 in OR 754 mm |
Ground Clearance | |
9.3 in OR 236 mm | - |
Weight | |
406 lbs OR 184 kg | 500 lbs OR 227 kg |
Fuel Capacity | |
2.6 gallons OR 9.8 L | 3.7 gallons OR 14.0 L |
Wheelbase | |
50 in OR 1270 mm | 59.8 in OR 1519 mm |
tyres specs | |
Front | |
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AT21 x 7-10 Maxxis | 100/90-19 |
Rear | |
AT20 x 10-9 Maxxis | 150/80-16 |