Loose headset bearing 06 450, question for you


4 replies to this topic
  • PAdaytonaman

Posted January 26, 2007 - 04:51 AM

#1

I just picked up a used, 06 450 and in going over the bike, I noticed that there is a little play in the headset. I plan on tearing it down anyway, and regreasing it, but my question is should I just go ahead and order new bearing and race as a time saver since it will be torn down already, or are the chances that its damaged so small that I shouldn't spend the cash.


Thanks

  • Ga426owner

Posted January 26, 2007 - 06:39 AM

#2

I have a lot of problems with my stock headstay bearings on my 06. The seal does not seal very well. I have to regrease every 5/6hrs. I now use Amsoil Synth Grease only as Belray broke down too fast. Someone posted a fix from Yamaha on this - it may be 07 bearings and seal kit. I would go ahead an buy top and bottom bearing and reaces and new seal.
I have 20hrs on mine and they are already worn - you can feel the slop by twisting bars right to left vice versa while on the stand...I will be buying a new set also...

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  • grayracer513

Posted January 26, 2007 - 11:28 AM

#3

Good head bearings are expensive. I wouldn't replace them unless it was necessary. Clean them up, lube them, then over-preload them slightly and see how they feel. If they are smooth, run them (at the proper preload, of course).

  • skipperlantz

Posted January 26, 2007 - 05:10 PM

#4

From what i've seen and heard, these bearings are a problem. I havn't had a problem yet, but the seal is not up to par on these units. Yamaha has put out a better bearing and seal now so I'd say spend the cash and fix that thing.

  • Reyndogg

Posted January 26, 2007 - 08:09 PM

#5

From what i've seen and heard, these bearings are a problem. I havn't had a problem yet, but the seal is not up to par on these units. Yamaha has put out a better bearing and seal now so I'd say spend the cash and fix that thing.


i wasnt aware of that, thanks.

I definitely need a new set and seal for sure. At ~70hrs on my bike, those bearings are sacked - i've cleaned/greased them five times already and i had pro-action do them when i got my suspension done another time.





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