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WR426/450 transmission compatability

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I need a new gear for the tranny in my wr426, but no one anywhere has the part and so I've gotta wait until the end of october when it will hopefully be shipped out from the yamaha factory.

Does anyone know if the gearbox changed between the wr426 and the early 450s?

The wr426 part I need is a Second Wheel Gear (26T) , part number 5BF-17221-00-00.

The equivelent part in the 2003 wr450 has part number 5TJ-17221-00-00. It is also 26T

Almost the same, but not quite. Anyone know how to decode what the letters mean in the part numbers?

Edited by thredbo

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Mate you're a legend. I called several dealers in the US, UK, Australia, they all said they're out for the same reason. Cheers for the link!

 

 

 

 

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