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Crankcase sealant

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Crankcase sealant

Post  Stevejoyce on Tue Jun 21, 2016 3:31 pm

Ok I have taken the bold step and split the crankcases to replace the worn bearings on my 8e engine.
so what do I seal the cases with before I bolt them together . Any advice welcome and thanks in advance as this is a great forum and helps to keep FB's on the road !


Posts : 37
Join date : 2015-03-27

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Crankcase sealant.

Post  colk2004 on Tue Jun 21, 2016 4:19 pm

First make sure they are nice and flat. A bit of float/plate glass or mirror glass or my personal favourite cheap surface plate - a granite chopping board. I've used 600 and 1000 grade wet and dry on the board and it's worked fine. Engineers blue is nice but failing that, mark the faces with a marker pen, and lap until the colour has just gone.

I used to use Yamabond for all things engine, when I was sorting the race bikes out but now I use ThreeBond from Rex Caunt Racing which stinks the same and works as well for less than half the price. RCR specialise in Bantam stuff but are very helpful for other stuff as well, and will answer you questions readily.

Cheers Colin

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