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#11825

nigel cooper
Participant

Thanks Ian,

amazing info again from the wizard of all thing Cr250. I`m leaning towards a rebuild of the existing crank by ken oconner racing.He has a youtube video explaining how he rebuilds them(special jig),uses the japanese pro-x parts (like you mentioned) and his website has an article explaining what you have said and the tolerances he has the crankshafts leave his shop.It really does look like he knows what he is doing.For $150 us dollars,plus shipping,I am ,at this point considering this option,if not-buy a new one.Either way  I will be checking it on my own vblocks before installing it.