Are WR and YZ rear hubs the same?

What about the different years, I have an 18" rear wheel that I want to put on my YZ and need to buy a hub for it.

According to the Yamaha Parts Numbers they are the same

5ET-25311-00-00 wr 426

5ET-25311-00-00 yz 426

This is a 2002 wr and YZ

You can do you references here

http://parts.yamaha-motor.com/

Depends on the year, but all 1999 and newer Yamaha ans WR rear hubs are the same and will interchange.

Beware, however, the brake rotors are not the same.

Okay here is the skinny skippy.

Front:

96-present are the same bearings and all can use the same brake rotors. The 96-00 is nonfloating, the 01-05 is a floating front rotor. They are interchangeable, bolt on at will.

Now the WR front hub will have the ears for the odometer drive. YZ will not. If you use a YZ wheel on the WR front end, get the YZ spacers. Also 02 is a wider hub than previous years. Get the spacers for the year of the hub!!!

REAR

98 was the last year of the old hub design. Not interchangeable with the 99-05 bikes.

99-05 are all the same design of hub -- same bearings, sprocket and rotor. The 99-01 use a 240mm rotor, 02-05 use a 245mm rear rotor. They are interchangeable, bolt on and go.

Okay here is the skinny skippy.

Front:

96-present are the same bearings and all can use the same brake rotors. The 96-00 is nonfloating, the 01-05 is a floating front rotor. They are interchangeable, bolt on at will.

Now the WR front hub will have the ears for the odometer drive. YZ will not. If you use a YZ wheel on the WR front end, get the YZ spacers. Also 02 is a wider hub than previous years. Get the spacers for the year of the hub!!!

REAR

98 was the last year of the old hub design. Not interchangeable with the 99-05 bikes.

99-05 are all the same design of hub -- same bearings, sprocket and rotor. The 99-01 use a 240mm rotor, 02-05 use a 245mm rear rotor. They are interchangeable, bolt on and go.

Aren't the 01 and up front/rear hubs wider than the 00 and previous? I bought some anodized wheel spacers for my 00 that came off an 02 and they were too narrow on both ends.

Aren't the 01 and up front/rear hubs wider than the 00 and previous? I bought some anodized wheel spacers for my 00 that came off an 02 and they were too narrow on both ends.

This is what I am needing to know, I am puting a new rim and hub together. I take it as long as I get the spacers for whatever year hub I get it will be fine? Is it true that some are wider than others?

02 is the first year of the wider hub up front. They use thinner spokes also. They went wider to give more stability to the front rim.

Check the Yamaha Technical Update Seminar books for this kind of info.

Matt...you seem to know your stuff :) . I'm still dealing with figuring out a real wheel for my '98 YZ. Is it the swingarm that prevents me from going with a '99 or newer rear wheel setup? I hate the fact that I'm so limited to options and it's also very confusing when buying parts (spoke sets for my Talon Hub, new rim, etc.) There's a backstory here if you want to PM me for the gory details.

My Yamy shop here can't figure out what will work and I'm going on my second week of no rear wheel :) . I just want to ride!!!

98 is the last year of the old hub style.

Check the part number, but if the swingarm pivot bolt is the same size, you could use the entire rear suspension off a 99-01 bike there. Entire means everything! brake caliper, wheel, axle, linkage, shock. Check the part numbers between years there on the litespeed dealer system.

But personally you are better off purchasing a new OEM wheel hub and lacing it up.

The Difference between 98 and 99 is axle diameter. It's easy enough to hog out the slots in your swingarm for a bigger axle, but you'll need caliper hanger, spacers, adj blocks... the whole works.

-Stephen

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