Attribute | ![]() Yamaha YFZ450 2012 × | ![]() Yamaha YFZ450X Bill Ballance Edition × |
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General | ||
Production from (year) | 2012 | 2010 |
Make | Yamaha | Yamaha |
Model | Yamaha YFZ450 | Yamaha YFZ450X Bill Ballance Edition |
Category | ATV | ATV |
Engine and transmission | ||
Engine type | Single cylinder, four-stroke | V2, four-stroke |
Fuel system | Carburettor. Mikuni 42mm BSR | Injection. Yamaha Fuel Injection (YFI) , 42mm |
Engine details | Titanium valves | - |
Displacement (cm³) | 449 | 449 |
Cooling system | Liquid | Liquid |
Transmission type,final drive | Chain | Chain |
Bore (mm) | 95 | 95 |
Stroke (mm) | 63.4 | 63.4 |
Gearbox | 5-speed | 5-speed |
Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
Driveline | 2WD; sealed O-ring chain, eccentric adjustment | - |
Ignition | DC - CDI | Digital TCI: Transistor Controlled Ignition |
Clutch | Wet multiplate | - |
Compression | 11.4:1 | 11.6:1 |
Chassis | ||
Front suspension | Independent double wishbone, threaded preload adjustment, 9.1-in travel | Independent double wishbone, w/Kashima coated piggyback shocks, High/Low speed compression, rebound and threaded preload adjustment, 9.4-in travel |
Rear suspension | Cast aluminum swing arm, threaded preload adjustment, 10.6-in travel | Cast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel |
Front brakes | Double disc. Hydraulic disc | Double disc |
Rear brakes | Single disc. Hydraulic Disc | Single disc |
Diameter (mm) | 173 | - |
Front tyre | 21/7-10 | 21/7-AT10 |
Rear tyre | 20/10-9 | 20/10-AT9 |
Other | ||
Starter | Electric | Electric |
Color options |
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Light | Dual 30W Krypton multireflector headlights and 3.9/0.5W LED brakelight | - |
Dimensions | ||
Wheelbase (mm) | 1,280 | 1,270 |
Kerb weight (kg) | 172.8 | 181.4 |
Overall length (mm) | 1,839 | 1,796 |
Overall width (mm) | 1,171 | 1,171 |
Seat height (mm) | 810 | 810 |
Ground clearance (mm) | 114 | 114 |
Performance | ||
Fuel capacity (l) | 9.84 | 9.84 |