Yamaha WR450 (WR450F): review, history, specs
Class: hard-enduro
Production: 2003+
Related: Yamaha YZ450F
| Models | ||
|---|---|---|
| Yamaha WR450F
(all markets) 2003-2004 |
Yamaha WR450F
(all markets) 2005-2006 |
Yamaha WR450F
(all markets) 2007-2011 |
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 |
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| Models | ||
|---|---|---|
| Yamaha WR450F
(all markets) 2012-2015 |
Yamaha WR450F
(all markets) 2016-2018 |
Yamaha WR450F
(all markets) 2019-2020 |
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 |
 |
| Models | ||
|---|---|---|
| Yamaha WR450F
(all markets) 2021-2023 |
Yamaha WR450F
(all markets) 2024+ | |
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History
| History | ||
|---|---|---|
| Year | Country | Name / Frame / Engine |
| 2003 | All markets | Name: Yamaha WR450F
Code: WR450FR (USA), 5TJ1, 5TJ2, 5TJ4 |
| 2004 | All markets | Name: Yamaha WR450F
Code: WR450FS (USA), 5TJ5, 5TJ6, 5TJ7 |
| 2005 | All markets | Name: Yamaha WR450F
Code: WR450FT (USA), 5TJ8, 5TJ9, 5TJA |
| 2006 | All markets | Name: Yamaha WR450F
Code: WR450FV (USA), 5TJB, 5TJC, 5TJD |
| 2007 | All markets | Name: Yamaha WR450F
Code: WR450FW (USA), 5TJE, 5TJF, 5TJG |
| 2008 | Europe, North America | Name: Yamaha WR450F
Code: WR450FX (USA), 5TJK, 5TJL, 5TJM |
| 2009 | All markets | Name: Yamaha WR450F
Code: WR450FY (USA), 5TJP, 5TJR, 5TJS |
| 2010 | Europe | Name: Yamaha WR450F
Code: 5TJU, 5TJV |
| 2011 | Europe, North America | Name: Yamaha WR450F
Code: WR450FA (USA), 1HB2, 1HB3 |
| 2012 | Europe, North America | Name: Yamaha WR450F
Code: WR450FB (USA), 1DX1, 1DX4 |
| 2013 | Europe, North America, Japan | Name: Yamaha WR450F
Code: WR450FD (USA), 1DX5, 1DX6, 1DX9 |
| 2014 | Europe, North America, Japan | Name: Yamaha WR450F
Code: WR450FE (USA), 1DXA, 1DXD |
| 2015 | Europe, North America | Name: Yamaha WR450F
Code: WR450FF (USA), 1DXF, 1DXJ |
| 2016 | Europe, North America | Name: Yamaha WR450F
Code: WR450FG (USA), 2GC1, 2GC2, 2GC3 |
| 2017 | Europe, North America | Name: Yamaha WR450F
Code: WR450FH (USA), 2GC6, 2GC7, 2GC8 |
| 2018 | Europe, North America | Name: Yamaha WR450F
Code: WR450FJ (USA), 2GCA, 2GCB, 2GCC |
| 2019 | Europe, North America | Name: Yamaha WR450F
Code: WR450FK (USA) |
| 2020 | Europe, North America, Australia | Name: Yamaha WR450F
Code: WR450FL (USA) |
| 2021 | Europe, North America, Australia | Name: Yamaha WR450F
Code: WR450FM (USA) |
| 2022 | Europe, North America, Australia | Name: Yamaha WR450F
Code: WR450FN (USA) |
| 2023 | Europe, North America, Australia | Name: Yamaha WR450F
Code: WR450FP (USA) |
| 2024 | Europe, North America, Australia | Name: Yamaha WR450F |
Specifications
Yamaha WR450 (WR450F): specs.
| Specifications | ||
|---|---|---|
| DIMENSIONS | Overall length | 2171 mm / 85,5 in – WR450F (2003-2006)
2175 mm / 85,6 in – WR450F (2007-2011, 2019-2023) 2315 mm / 91,1 in – WR450F (2012-2015) 2164 mm / 85,2 in – WR450F (2016-2018) 2170 mm / 85,4 in – WR450F (2024+) |
| Overall width | 827 mm / 32,6 in – WR450F (2003-2006)
825 mm / 32,5 in – WR450F (2007+) | |
| Overall height | 1303 mm / 51,3 in – WR450F (2003-2006)
1295 mm / 51,0 in – WR450F (2007-2011) 1275 mm / 50,2 in – WR450F (2012-2015) 1280 mm / 50,4 in – WR450F (2016-2018) 1270 mm / 50,0 in – WR450F (2019-2023) 1265 mm / 49,8 in – WR450F (2024+) | |
| Seat height | 998 mm / 39,3 in – WR450F (2003-2006)
980 mm / 38,6 in – WR450F (2007-2011) 960 mm / 37,8 in – WR450F (2012-2015) 965 mm / 38,0 in – WR450F (2016-2018) 955 mm / 37,6 in – WR450F (2019+) | |
| Wheelbase | 1485 mm / 58,5 in – WR450F (2003-2011)
1475 mm / 58,1 in – WR450F (2012-2015) 1465 mm / 56,9 in – WR450F (2016-2018) 1480 mm / 58,3 in – WR450F (2019-2023) 1470 mm / 57,9 in – WR450F (2024+) | |
| Ground clearance | 371 mm / 14,6 in – WR450F (2003-2006)
365 mm / 14,4 in – WR450F (2007-2011) 335 mm / 13,2 in – WR450F (2012-2015) 325 mm / 12,8 in – WR450F (2016-2018) 320 mm / 12,6 in – WR450F (2019-2023) 330 mm / 13,0 in – WR450F (2024+) | |
| Dry weight | 112,5 kg / 248 lbs – WR450F (2007-2011) | |
| Curb (wet) weight | 122 kg / 269 lbs – WR450F (2003-2006)
129 kg / 284 lbs – WR450F (2012-2015) 123 kg / 271 lbs – WR450F (2016-2018) 119 kg / 262 lbs – WR450F (2019-2023) 117 kg / 258 lbs – WR450F (2024+) | |
| FRAME | Type | Semi double cradle (steel) – WR450F (2003-2006)
Semi double cradle (aluminum) – WR450F (2007+) |
| Front suspension, travel | 48 mm inverted telescopic fork (fully adjustable), 300 mm / 11,8 in – WR450F (2003-2015, 2024+)
48 mm inverted telescopic fork (fully adjustable), 310 mm / 12,2 in – WR450F (2016-2023) | |
| Rear suspension, travel | Swingarm with mono-shock (fully adjustable), 315 mm /12,4 in – WR450F (2003-2006)
Swingarm with mono-shock (fully adjustable), 305 mm /12,0 in – WR450F (2007-2011, 2024+) Swingarm with mono-shock (fully adjustable), 300 mm /11,8 in – WR450F (2012-2015) Swingarm with mono-shock (fully adjustable), 317 mm /12,5 in – WR450F (2016-2023) | |
| Front tire size | 90/90-21 (54M) | |
| Rear tire size | 130/90-18 (69M) | |
| Front brake | Single disc, 250 mm, 2-piston caliper – WR450F (2003-2015)
Single disc, 270 mm, 2-piston caliper – WR450F (2016+) | |
| Rear brake | Single disc, 245 mm, 1-piston caliper
Single disc, 240 mm, 1-piston caliper – WR450F (2024+) | |
| Fuel capacity | 10,0 l / 2,64 US gal – WR450F (2003-2006)
8,0 l / 2,11 US gal – WR450F (2007-2011) 7,2 l / 1,90 US gal – WR450F (2012-2015) 7,6 l / 2,0 US gal – WR450F (2016-2018) 8,3 l / 2,2 US gal – WR450F (2019-2020) 7,9 l / 2,08 US gal – WR450F (2021-2023) 7,4 l / 2,0 US gal – WR450F (2024+) | |
| Trail | 118 mm / 4,6 in – WR450F (2003-2006, 2019-2020)
117 mm / 3,0 in – WR450F (2007-2011) 115 mm / 4,5 in – WR450F (2012-2018) 116 mm / 4,56 in – WR450F (2021-2023) 109 mm / 4,3 in – WR450F (2024+) | |
| Fuel economy | ||
| ENGINE | Type | Liquid-cooled 4-stroke |
| Cylinder arrangement | Single cylinder | |
| Bore & Stroke | 95,0 x 63,4 mm – WR450F (2003-2015)
97,0 x 60,9 mm – WR450F (2016+) | |
| Displacement | 449 cm³ (15,2 cu in) | |
| Compression ratio | 12.5:1 – WR450F (2003-2006, 2016-2018)
12.3:1 – WR450F (2007-2015) 12.8:1 – WR450F (2019-2020) 13.0:1 – WR450F (2021+) | |
| Valve train | Chain driven DOHC, 5 valves – WR450F (2003-2015)
Chain driven DOHC, 4 valves – WR450F (2016+) | |
| Max. power | 41,6 hp (30,6 kW) – rear wheel | |
| Max. torque | 38,6 Nm (3,9 kg-m) – rear wheel | |
| Acceleration 0 to 100 km/h (0-60 mph) | ||
| Top speed | ||
| CARBURETION SYSTEM | Type | Carburetor, 1x Keihin FCR-MX39 – WR450F (2003-2011)
Fuel Injection, 1x 44 mm – WR450F (2012+) |
| ID | ||
| DRIVE TRAIN | Clutch | Wet, multi-plate, cable operated |
| Transmission | 5-speed | |
| Final drive | Chain | |
| Primary reduction | 2.818 – WR450F (2003-2006)
2.652 – WR450F (2007+) | |
| Final reduction | ||
| Gear ratio
I II III IV V |
2.416 1.733 1.312 1.050 0.840 | |
| ELECTRICAL | Ignition | CDI – WR450F (2003-2011)
TCI (digital) – WR450F (2012+) |
| Alternator | A.C. magneto | |
| Battery capacity | 12V-6Ah | |
Images
Yamaha WR450 (WR450F): images, gallery.
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Videos
Yamaha WR450 (WR450F): video.
Manuals
Yamaha WR450 (WR450F): manuals, parts, microfiches.