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Balance shaft rebuild?

Posted: Wed Feb 28, 2018 11:32 pm
by Joe439
Is it possible to rebuild the balance shaft with a new bearing and seal?

Re: Balance shaft rebuild?

Posted: Sat Mar 03, 2018 1:53 am
by Gerrit
I believe BDK can rebuild a balance shaft should it be necessary.

Re: Balance shaft rebuild?

Posted: Fri Mar 16, 2018 5:47 am
by Joe439
Yes it is needing rebuilding since rebuilding the engine, does anyone know what the bearing and seal part numbers are?

Re: Balance shaft rebuild?

Posted: Fri Mar 16, 2018 11:31 am
by Binetta Steve
Not sure if this helps you. I have never done one , but had this page book marked in the past

http://www.pjme.co.uk/acatalog/Kawasaki ... m_End.html


https://www.cmsnl.com/kawasaki-kr250c3- ... ml#results


Steve

Re: Balance shaft rebuild?

Posted: Fri Mar 16, 2018 5:58 pm
by Joe439
Yeah those links I've seen still doesn't give me the info I'm after somebody's got to know. What seal and bearing to use on it.

Re: Balance shaft rebuild?

Posted: Sat Mar 17, 2018 4:38 am
by James P
Joe439 wrote:
Fri Mar 16, 2018 5:58 pm
What seal and bearing to use on it.
Joe,

See my reply under a previous topic: http://kr-1s.co.uk/forum/viewtopic.php?f=1&t=13790

You could modify "normal" 6303-C3 bearings and you could also perhaps use a 23-47-7 seal with a 0.7mm spacer.

Let us know what you end up doing!

Regards,
James

Re: Balance shaft rebuild?

Posted: Thu Jul 12, 2018 3:42 am
by Joe439
Went with the one offered through bdk.