Yamaha YZ450FX: review, history, specs
Class: enduro / cross country
Production: 2016+
Related: Yamaha YZ450F
| Models | ||
|---|---|---|
| Yamaha YZ450FX
(All markets) 2016-2018 |
Yamaha YZ450FX
(North America, Australia) 2019-2020 |
Yamaha YZ450FX
(North America, Australia) 2021-2023 |
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 |
 |
| Models | ||
|---|---|---|
| Yamaha YZ450FX
(North America, Australia) 2024+ | ||
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History
| History | ||
|---|---|---|
| Year | Country | Name / Frame / Engine |
| 2016 | All markets | Name: Yamaha YZ450FX |
| 2017 | All markets | Name: Yamaha YZ450FX |
| 2018 | All markets | Name: Yamaha YZ450FX |
| 2019 | North America, Australia | Name: Yamaha YZ450FX |
| 2020 | North America, Australia | Name: Yamaha YZ450FX |
| 2021 | North America, Australia | Name: Yamaha YZ450FX |
| 2022 | North America, Australia | Name: Yamaha YZ450FX |
| 2023 | North America, Australia | Name: Yamaha YZ450FX |
| 2024 | North America, Australia | Name: Yamaha YZ450FX |
| 2025 | North America, Australia | Name: Yamaha YZ450FX |
Specifications
Yamaha YZ450FX: specs.
| Specifications | ||
|---|---|---|
| DIMENSIONS | Overall length | 2165 mm / 85,2 in
2175 mm / 85,6 in – YZ450FX (2019-2023) 2170 mm / 85,4 in – YZ450FX (2024+) |
| Overall width | 825 mm / 32,5 in | |
| Overall height | 1280 mm / 50,4 in – YZ450FX (2016-2018, 2021-2023)
1270 mm / 50,0 in – YZ450FX (2019-2020) 1265 mm / 49,8 in – YZ450FX (2024+) | |
| Seat height | 965 mm / 38,0 in
985 mm / 38,8 in – YZ450FX (2019-2023) 955 mm / 37,6 in – YZ450FX (2024+) | |
| Wheelbase | 1465 mm / 57,7 in
1480 mm / 58,3 in – YZ450FX (2019-2023) 1470 mm / 57,9 in – YZ450FX (2024+) | |
| Ground clearance | 325 mm / 12,8 in
320 mm / 12,6 in – YZ450FX (2019-2023) 330 mm / 13,0 in – YZ450FX (2024+) | |
| Dry weight | ||
| Curb (wet) weight | 119 kg / 262 lbs – YZ450FX (2016-2018)
116 kg / 256 lbs – YZ450FX (2019-2020) 115 kg / 254 lbs – YZ450FX (2021-2023) 114 kg / 251 lbs – YZ450FX (2024+) | |
| FRAME | Type | Semi double cradle (aluminum) |
| Front suspension, travel | 48 mm inverted telescopic fork (fully adjustable), 310 mm / 12,2 in
48 mm inverted telescopic fork (fully adjustable), 300 mm / 11,8 in – YZ450FX (2024+) | |
| Rear suspension, travel | Swingarm with mono-shock (fully adjustable), 317 mm /12,5 in
Swingarm with mono-shock (fully adjustable), 305 mm /12,0 in – YZ450FX (2024+) | |
| Front tire size | 90/90-21
80/100-21 – YZ450FX (2019+) | |
| Rear tire size | 120/90-18 | |
| Front brake | Single disc, 270 mm, 2-piston caliper | |
| Rear brake | Single disc, 245 mm, 1-piston caliper
Single disc, 240 mm, 1-piston caliper – YZ450FX (2021+) | |
| Fuel capacity | 7,6 l / 2,0 US gal
8,3 l / 2,2 US gal – YZ450FX (2019+) | |
| Trail | 114 mm / 4,5 in
117 mm / 4,6 in – YZ450FX (2019-2023) 122 mm / 4,8 in – YZ450FX (2024+) | |
| Fuel economy / consumption | ||
| ENGINE | Type | Liquid-cooled 4-stroke |
| Cylinder arrangement | Single cylinder | |
| Bore & Stroke | 97,0 x 60,8 mm | |
| Displacement | 449 cm³ (15,2 cu in) | |
| Compression ratio | 12.5:1 – YZ450FX (2016-2018)
12.8:1 – YZ450FX (2019-2020) 13.0:1 – YZ450FX (2021+) | |
| Valve train | Chain driven DOHC, 4 valves | |
| Max. power | ||
| Max. torque | ||
| Acceleration 0 to 100 km/h (0-60 mph) | ||
| Top speed | ||
| CARBURETION SYSTEM | Type | Fuel Injection, 1x 44 mm Keihin
Fuel Injection, 1x 44 mm Mikuni – YZ450FX (2019+) |
| ID | ||
| DRIVE TRAIN | Clutch | Wet, multi-plate, cable operated |
| Transmission | 5-speed | |
| Final drive | Chain | |
| Primary reduction | ||
| Final reduction | ||
| Gear ratio
I II III IV V |
| |
| ELECTRICAL | Ignition | TCI |
| Alternator | A.C. magneto | |
| Battery capacity | ||
Images
Yamaha YZ450FX: images, gallery.
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Videos
Yamaha YZ450FX: video.
Manuals
Yamaha YZ450FX: manuals, parts, microfiches.
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