The spare jet, pilot (#55) part number 4MX149480900 is a genuine Yamaha part which means it is exactly the same as the one mounted at the factory when the vehicle was new
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Original part number Yamaha
Part Diagram
Vehicle information
Country
Part diagram
WR450F
2011
450
WRF
All countries
CARBURETOR
WR450F
2011
450
WRF
All countries
CARBURETOR
WRF 450
2010
450
WRF
Europe
CARBURETOR
WRF 450
2010
450
WRF
United kingdom
CARBURETOR
YZ250
2011
250
YZ
All countries
CARBURETOR
YZ250
2013
250
YZ
Denmark
CARBURETOR
YZ250
2014
250
YZ
Czech republic
CARBURETOR
YZ250
2015
250
YZ
Belgium
CARBURETOR
YZ 250
2016
250
YZ
Espana
CARBURETOR
YZ 250
2010
250
YZ
Europe
CARBURETOR
YZ250
2012
250
YZ
Suisse
CARBURETOR
YZ 250
2017
250
YZ
Italia
CARBURETOR
YZ 250
2017
250
YZ
Ireland
CARBURETOR
YZ 250
2017
250
YZ
Norway
CARBURETOR
YZ 250
2017
250
YZ
Sweden
CARBURETOR
YZ 250
2017
250
YZ
Finland
CARBURETOR
YZ 250
2017
250
YZ
Denmark
CARBURETOR
YZ 250
2017
250
YZ
Deutschland
CARBURETOR
YZ 250
2017
250
YZ
Czech republic
CARBURETOR
YZ 250
2017
250
YZ
Nederland
CARBURETOR
YZ 250
2017
250
YZ
Belgium
CARBURETOR
YZ 250
2017
250
YZ
France
CARBURETOR
YZ 250
2017
250
YZ
Espana
CARBURETOR
YZ 250
2017
250
YZ
Portugal
CARBURETOR
YZ 250
2017
250
YZ
Italia
CARBURETOR
YZ 250
2017
250
YZ
Suisse
CARBURETOR
YZ 250
2017
250
YZ
Austria
CARBURETOR
YZ 250
2017
250
YZ
Hungary
CARBURETOR
YZ 250
2017
250
YZ
Poland
CARBURETOR
YZ 250
2017
250
YZ
Slovenia
CARBURETOR
YZ 250
2017
250
YZ
Slovakia
CARBURETOR
YZ 250
2017
250
YZ
Greece
CARBURETOR
YZ 250
2017
250
YZ
Cyprus
CARBURETOR
YZ 250
2017
250
YZ
Turkey
CARBURETOR
YZ 250
2017
250
YZ
Japan
CARBURETOR
YZ 250
2017
250
YZ
South africa
CARBURETOR
YZ 250
2017
250
YZ
Australia
CARBURETOR
YZ 250
2017
250
YZ
New zealand
CARBURETOR
YZ 250
2017
250
YZ
Canada
CARBURETOR
YZ 250 CROSS COUNTRY
2016
250
YZ
All countries
CARBURETOR
YZ 250
2018
250
YZ
Europe
CARBURETOR
YZ 250 2-STROKE
2019
250
YZ
Canada
CARBURETOR
YZ 250 2-STROKE
2018
250
YZ
Canada
CARBURETOR
YZ 250 X CROSS COUNTRY
2019
250
YZ
Canada
CARBURETOR
YZ 250 X CROSS COUNTRY
2018
250
YZ
Canada
CARBURETOR
YZ 250
2016
250
YZ
Canada
CARBURETOR
YZ 250 X CROSS COUNTRY
2016
250
YZ
Canada
CARBURETOR
YZ 250 Racing Blue
2019
250
YZ
Europe
CARBURETOR
YZ 250
2020
250
YZ
CARBURETOR
YZ 250 X CROSS COUNTRY
2020
250
YZ
CARBURETOR
YZ 250
2021
250
YZ
CARBURETOR
YZ 125
2022
125
YZ
CARBURETOR
YZ 125 Monster Energy Yamaha Racing Edition
2022
125
YZ
CARBURETOR
YZ 250
2022
250
YZ
CARBURETOR
YZ 250 MONSTER ENERGY YAMAHA RACING EDITION
2022
250
YZ
CARBURETOR
YZ 250 X
2022
250
YZ
CARBURETOR
YZ 125
2023
125
YZ
CARBURETOR
YZ 125 Monster Energy Yamaha Racing Edition
2023
125
YZ
CARBURETOR
YZ 250
2023
250
YZ
CARBURETOR
YZ 250 Monster Energy Yamaha Racing Edition
2023
250
YZ
CARBURETOR
WR250Z
1997
250
WRZ
Belgium
CARBURETOR
WR250Z
1997
250
WRZ
Canada
CARBURETOR
WR250Z
1997
250
WRZ
Germany
CARBURETOR
WR250Z
1997
250
WRZ
Spain
CARBURETOR
WR250Z
1997
250
WRZ
Finland
CARBURETOR
WR250Z
1997
250
WRZ
Ireland
CARBURETOR
WR250Z
1997
250
WRZ
France
CARBURETOR
WR250Z
1997
250
WRZ
Greece
CARBURETOR
WR250Z
1997
250
WRZ
Italy
CARBURETOR
WR250Z
1997
250
WRZ
Portugal
CARBURETOR
WR250Z
1997
250
WRZ
Japan
CARBURETOR
WR250Z
1998
250
WRZ
Germany
CARBURETOR
WR250Z
1998
250
WRZ
Spain
CARBURETOR
WR250Z
1998
250
WRZ
Finland
CARBURETOR
WR250Z
1998
250
WRZ
Ireland
CARBURETOR
WR250Z
1998
250
WRZ
France
CARBURETOR
WR250Z
1998
250
WRZ
United kingdom
CARBURETOR
WR250Z
1998
250
WRZ
Greece
CARBURETOR
WR250Z
1998
250
WRZ
Italy
CARBURETOR
WR250Z
1998
250
WRZ
Portugal
CARBURETOR
WR250Z
1998
250
WRZ
Japan
CARBURETOR
WR250Z
1998
250
WRZ
France
CARBURETOR
WR250Z
1998
250
WRZ
Japan
CARBURETOR
WR250ZJ
1997
250
WRZ
Oceania
CARBURETOR
WR250ZK
1998
250
WRZ
Australia
CARBURETOR
WR250ZK
1998
250
WRZ
Oceania
CARBURETOR
WR450F
2007
450
WRF
Europe
CARBURETOR
WR450F
2008
450
WRF
Europe
CARBURETOR
WR450F
2008
450
WRF
United kingdom
CARBURETOR
WR450F
2009
450
WRF
Belgium
CARBURETOR
WR450F
2009
450
WRF
Finland
CARBURETOR
WR450F
2009
450
WRF
France
CARBURETOR
WR450F
2009
450
WRF
Germany
CARBURETOR
WR450F
2009
450
WRF
Greece
CARBURETOR
WR450F
2009
450
WRF
Ireland
CARBURETOR
WR450F
2009
450
WRF
Italy
CARBURETOR
WR450F
2009
450
WRF
Portugal
CARBURETOR
WR450F
2009
450
WRF
Spain
CARBURETOR
WR450F
2009
450
WRF
Sweden
CARBURETOR
WR450F
2009
450
WRF
United kingdom
CARBURETOR
Too many models compatible with this reference, some may not appear.
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