Yamaha YZ450F: review, history, specs

From BikesWiki.com, Japanese Motorcycle Encyclopedia

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

Yamaha YZ450F (2003-2005)
Yamaha YZ450F (2006)
Yamaha YZ450F (2007-2009)
Models
Yamaha YZ450F

(All markets)

2010-2013

Yamaha YZ450F

(All markets)

2014-2017

Yamaha YZ450F

(All markets)

2018-2021

Yamaha YZ450F (2010-2013)
Yamaha YZ450F (2014-2017)
Yamaha YZ450F (2018-2021)
Models
Yamaha YZ450F

(All markets)

2022+

Yamaha YZ450F Monster Energy Yamaha Racing Edition

(All markets)

2022

Yamaha YZ450F (2022+)
Yamaha YZ450F Monster Energy Yamaha Racing Edition (2022)

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.

Yamaha YZ450F
Yamaha YZ450F
Yamaha YZ450F

Videos

Yamaha YZ450F: video.

2019 Yamaha YZ450F

Manuals

Yamaha YZ450F: manuals, parts, microfiches.