Kieran,

I have the 89 books (actually they belong to Matt but he has never collected them).
If somebody else sends, post no longer needed or I will send when I return home.
Think I may be on my way home tomorrow; opened my big mouth again.
I have no idea on your question; I can't obviously, even buy the correct pistons.
The books do come available pretty often, I bought another set the other day. They are online somewhere but couldn't find today.
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mc18 F3, mc21 300, mc21ish sp, mc21/28ish.
cbr929, RC30, tdr250, rvf400, wave, gyro, joker.