Yamaha YZ450F: review, history, specs
Class: motocross
Production: 2003+
Predecessor: Yamaha YZ426F
| Models | ||
|---|---|---|
| Yamaha YZ450F
(All markets) 2003-2005 |
Yamaha YZ450F
(All markets) 2006 |
Yamaha YZ450F
(All markets) 2007-2009 |
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| Models | ||
|---|---|---|
| Yamaha YZ450F
(All markets) 2010-2013 |
Yamaha YZ450F
(All markets) 2014-2017 |
Yamaha YZ450F
(All markets) 2018-2021 |
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| Models | |
|---|---|
| Yamaha YZ450F
(All markets) 2022+ |
Yamaha YZ450F Monster Energy Yamaha Racing Edition
(All markets) 2022 |
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History
| History | ||
|---|---|---|
| Year | Country | Name / Frame / Engine |
| 2003 | All markets | Name: Yamaha YZ450F
Code: YZ450FR, 5TA1, 5TA2, 5TA3, 5TA4 |
| 2004 | All markets | Name: Yamaha YZ450F
Code: YZ450FS, 5XD1, 5XD2, 5XD3, 5XD4 |
| 2005 | All markets | Name: Yamaha YZ450F
Code: YZ450FT, 5XD5, 5XD6, 5XD7, 5XD8 |
| 2006 | All markets | Name: Yamaha YZ450F
Code: YZ450FV, 2S21, 2S22, 2S23, 2S24, 2S25 |
| 2007 | All markets | Name: Yamaha YZ450F
Code: YZ450FW, 2S27, 2S28, 2S29, 2S2A |
| 2008 | All markets | Name: Yamaha YZ450F
Code: YZ450FX, 2S2B, 2S2C, 2S2D, 2S2E |
| 2009 | All markets | Name: Yamaha YZ450F
Code: YZ450FY, 34P1, 34P2, 34P3, 34P4 |
| 2010 | All markets | Name: Yamaha YZ450F
Code: YZ450FZ, 33D1, 33D2, 33D3 |
| 2011 | All markets | Name: Yamaha YZ450F
Code: YZ450FA, 33D5, 33D6, 33D7 |
| 2012 | All markets | Name: Yamaha YZ450F
Code: YZ450FB, 33D9, 33DA, 33DB |
| 2013 | All markets | Name: Yamaha YZ450F
Code: YZ450FD, 33DD, 33DE, 33DF |
| 2014 | All markets | Name: Yamaha YZ450F
Code: YZ450FE, 1SL1, 1SL2, 1SL3 |
| 2015 | All markets | Name: Yamaha YZ450F
Code: YZ450FF, 1SL5, 1SL6, 1SL7 |
| 2016 | All markets | Name: Yamaha YZ450F
Code: YZ450FG, B111, B112, B115, B116 |
| 2017 | All markets | Name: Yamaha YZ450F
Code: YZ450FH, B118, B119, B11A |
| 2018 | All markets | Name: Yamaha YZ450F
Code: YZ450FJ, BR91, BR92, BR93 |
| 2019 | All markets | Name: Yamaha YZ450F
Code: YZ450FK |
| 2020 | All markets | Name: Yamaha YZ450F |
| 2021 | All markets | Name: Yamaha YZ450F |
| 2022 | All markets | Name: Yamaha YZ450F |
| 2023 | All markets | Name: Yamaha YZ450F |
| 2024 | All markets | Name: Yamaha YZ450F |
Specifications
Yamaha YZ450F: specs.
| Specifications | ||
|---|---|---|
| DIMENSIONS | Overall length | 2171 mm / 85,5 in – YZ450F (2003-2005)
2192 mm / 86,3 in – YZ450F (2006-2013) 2175 mm / 85,6 in – YZ450F (2014-2017) 2185 mm / 86,0 in – YZ450F (2018-2022) 2179 mm / 85,8 in – YZ450F (2023+) |
| Overall width | 827 mm / 32,6 in – YZ450F (2003-2005)
815 mm / 32,1 in – YZ450F (2006-2009) 825 mm / 32,5 in – YZ450F (2010-2022) 830 mm / 32,7 in – YZ450F (2023+) | |
| Overall height | 1303 mm / 51,3 in – YZ450F (2003-2005)
1298 mm / 51,1 in – YZ450F (2006-2009) 1311 mm / 51,6 in – YZ450F (2010-2013) 1280 mm / 50,4 in – YZ450F (2014-2017) 1285 mm / 50,6 in – YZ450F (2018-2022) 1275 mm / 50,2 in – YZ450F (2023+) | |
| Seat height | 995 mm / 39,2 in – YZ450F (2003-2005)
986 mm / 38,8 in – YZ450F (2006-2009) 999 mm / 39,3 in – YZ450F (2010-2013) 975 mm / 38,4 in – YZ450F (2014-2017) 980 mm / 38,6 in – YZ450F (2018-2021) 965 mm / 38,0 in – YZ450F (2022+) | |
| Wheelbase | 1485 mm / 58,5 in – YZ450F (2003-2005, 2018-2022)
1495 mm / 58,9 in – YZ450F (2006-2009) 1492 mm / 58,7 in – YZ450F (2010-2013) 1480 mm / 58,3 in – YZ450F (2014-2017, 2023+) | |
| Ground clearance | 371 mm / 14,6 in – YZ450F (2003-2009)
383 mm / 15,1 in – YZ450F (2010-2013) 335 mm / 13,2 in – YZ450F (2014-2017) 330 mm / 13,0 in – YZ450F (2018-2022) 350 mm / 13,8 in – YZ450F (2023+) | |
| Dry weight | 99,8 kg / 220 lbs – YZ450F (2006-2009) | |
| Curb (wet) weight | 113,0 kg / 249 lbs – YZ450F (2003-2005)
111,0 kg / 245 lbs – YZ450F (2010-2022) 109,0 kg / 240 lbs – YZ450F (2023+) | |
| FRAME | Type | Semi double cradle (steel) – YZ450F (2003-2005)
Semi double cradle (aluminum) – YZ450F (2006+) |
| Front suspension, travel | 48 mm inverted telescopic fork (fully adjustable), 300 mm / 11,8 in – YZ450F (2003-2009)
48 mm inverted telescopic fork (fully adjustable), 310 mm / 12,2 in – YZ450F (2010+) | |
| Rear suspension, travel | Swingarm with mono-shock (fully adjustable), 315 mm /12,4 in – YZ450F (2003-2005, 2010-2017)
Swingarm with mono-shock (fully adjustable), 310 mm /12,2 in – YZ450F (2006-2009) Swingarm with mono-shock (fully adjustable), 317 mm /12,5 in – YZ450F (2018+) | |
| Front tire size | 80/100-21 51M | |
| Rear tire size | 110/90-19 62M, 120/80-19 63M | |
| Front brake | Single disc, 250 mm, 2-piston caliper – YZ450F (2003-2015)
Single disc, 270 mm, 2-piston caliper – YZ450F (2016+) | |
| Rear brake | Single disc, 245 mm, 1-piston caliper
Single disc, 240 mm, 1-piston caliper – YZ450F (2018+) | |
| Fuel capacity | 7,0 l / 1,8 US gal – YZ450F (2003-2009)
6,0 l / 1,6 US gal – YZ450F (2010-2013) 7,5 l / 1,98 US gal – YZ450F (2014-2017) 6,2 l / 1,6 US gal – YZ450F (2018+) | |
| Trail | 118 mm / 4,65 in – YZ450F (2003-2005)
117 mm / 4,61 in – YZ450F (2006-2009) 118,6 mm / 4,67 in – YZ450F (2010-2013) 120 mm / 4,7 in – YZ450F (2014+) | |
| Fuel economy / consumption | ||
| ENGINE | Type | Liquid-cooled 4-stroke |
| Cylinder arrangement | Single cylinder | |
| Bore & Stroke | 95,0 x 63,4 mm – YZ450F (2003-2009)
97,0 x 60,8 mm – YZ450F (2010+) | |
| Displacement | 449 cm³ (15,2 cu in) | |
| Compression ratio | 12.5 – YZ450F (2003-2005, 2010-2017)
12.3 – YZ450F (2006-2009) 12.8 – YZ450F (2018-2021) 13.0 – YZ450F (2022+) | |
| Valve train | Chain driven DOHC, 5 valves – YZ450F (2003-2009)
Chain driven DOHC, 4 valves – YZ450F (2010+) | |
| Max. power | 60,0 hp (44,1 kW) / 9000 rpm – YZ450F (2003-2009) | |
| Max. torque | 52,9 Nm (5,4 kg-m) / 6500 rpm – YZ450F (2003-2009) | |
| Acceleration 0 to 100 km/h (0-60 mph) | ||
| Top speed | ||
| CARBURETION SYSTEM | Type | Carburetor, 1x Keihin FCR-MX39 – YZ450F (2003-2009)
Fuel Injection, 1x 44 mm – YZ450F (2010+) |
| ID | ||
| DRIVE TRAIN | Clutch | Wet, multi-plate, cable operated |
| Transmission | 4-speed – YZ450F (2003-2005)
5-speed – YZ450F (2006+) | |
| Final drive | Chain | |
| Primary reduction | ||
| Final reduction | ||
| Gear ratio
I II III IV V |
| |
| ELECTRICAL | Ignition | CDI – YZ450F (2003-2009)
TCI – YZ450F (2010+) |
| Alternator | A.C. magneto | |
| Battery capacity | Battery + electric starter system – YZ450F (2018+) | |
Images
Yamaha YZ450F: images, gallery.
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Videos
Yamaha YZ450F: video.
Manuals
Yamaha YZ450F: manuals, parts, microfiches.