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Anyone have measurements for the swingarm bolt bushings that are pressed into the cases?

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From my reseach it sounds like these changed in 2002.

 

Would like to find the OD (mating surface) and the flange depth.  I need to make some new ones for a motor swap, which I will provide details on later.

 

Also what size bolts did the YZ250's use?  15mm and 17mm?

 

Thanks in advance!

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If you are doing a yamaha to yamaha. You can swap the bushings in the case up to 2001 and then the pivot bolt went to i belive 17mm and the bushings won,t fit the case. but you can bore out the older ones to the larger pivot bolt and there is still pleanty of metal left.

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Not doing a Yamaha to Yamaha.  I'm adapting a 2006 YZ motor into something else, and basically need to re-make those sleeves to a different overall width and narrower ID.

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