I'm going to change the wheel bearings on the FZR and wondered if anyone knows the sizes? I'd like to order the bearings before I take the wheels out.

I'll get the bearings from one of our suppliers at work, so part numbers from Yamaha are no good.

Cheers for any info...

just done mine a couple weeks ago (tj) and it's probably easier to take em out and measure em (unless someones got the measurements)
i think for piece of mind i'd measure em, if it's anything like the tj which has 5 bearings and 4 different sizes + seals

I can't give you the sizes for your bike but if you seach ebay under 'FZR 400 Koyo' you'll find packs which list the contents and give the generic bearing numbers. Google the bearing numbers and you'll find the dimensions.