flywheel weight for older bikes?

Hey guys, I am a new yz400f owner - I recently moved up from a ttr125.. big change.

I am a novice who mostly rides in tight woods/trails and this big bike is manhandling me :thumbsup:

I wanted to get a flywheel weight to help with the chugability and stalling, but it seems I can only find them for the 450s.

Will a 450 weight work on a 400? I figured a 426 will work, but I assume the 450 was different.

Do I have any other options? Maybe just a stock wr flywheel?

thanks for any advice!

$50's are not interchangeable. WR 400/426 flywheels will work, but they require the matching stator.

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