| Attribute | Yamaha YFZ450R 2020 × | Yamaha YFZ450R SE 2020 × |
|---|---|---|
| General | ||
| Production from (year) | 2020 | 2020 |
| Make | Yamaha | Yamaha |
| Model | Yamaha YFZ450R | Yamaha YFZ450R SE |
| Category | ATV | ATV |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 5 | 5 |
| Fuel system | Injection. Yamaha Fuel Injection (YFI), 42mm | Injection. Yamaha Fuel Injection (YFI), 42mm |
| 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 | 2WD; Sealed O-Ring Chain, Eccentric Adjustment |
| Ignition | Digital TCI: Transistor Controlled Ignition | Digital TCI: Transistor Controlled Ignition |
| Clutch | Drive Train | Drive Train |
| Lubrication system | Dry sump | Dry sump |
| Compression | 11.8:1 | 11.8:1 |
| Chassis | ||
| Front suspension | Independent double wishbone, w/Kashima coated piggyback shocks, High/Low speed compression, rebound | Independent double wishbone, w/Kashima coated piggyback shocks, High/Low speed compression, rebound |
| Rear suspension | Cast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel | Cast aluminum swingarm w/piggyback High/Low speed compression, rebound and threaded preload adjustment, 11.0-in travel |
| Front brakes | Double disc | Double disc |
| Rear brakes | Single disc. Wave Style Ventilated Hydraulic Disc, Twin Piston | Single disc. Wave Style Ventilated Hydraulic Disc, Twin Piston |
| Frame type | Aluminium and steel tube | Aluminium and steel tube |
| Front tyre | 21/7-10 | 21/7-10 |
| Rear tyre | 20/10-9 | 20/10-9 |
| Front wheel travel (mm) | 250 | 250 |
| Rear wheel travel (mm) | 280 | 280 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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|
| Light | Dual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light | Dual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light |
| Dimensions | ||
| Wheelbase (mm) | 1,270 | 1,270 |
| Kerb weight (kg) | 184 | 184 |
| Overall height (mm) | 1,065 | 1,065 |
| Overall length (mm) | 1,795 | 1,795 |
| Overall width (mm) | 1,240 | 1,240 |
| Seat height (mm) | 810 | 810 |
| Ground clearance (mm) | 115 | 115 |
| Performance | ||
| Fuel capacity (l) | 10 | 10 |