SOHC.co.uk Forums > CB500/550

Separating top end from bottom end in one piece?

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philward:
I've got the Halfords set of 1/4 drives sockets and the wall is too thick - I had to carefully grind a socket down when I did my 500

K2-K6:

--- Quote from: philward on July 27, 2021, 05:52:51 PM ---I've got the Halfords set of 1/4 drives sockets and the wall is too thick - I had to carefully grind a socket down when I did my 500

--- End quote ---

Just checked the halfords against bahco and they are within   .05mm from each other for OD so neither will work then.

Sesman:
Eh…though we had split the cases? In which case the primary chain comes o with rods on. Either that or I have achieved the impossible…which is unlikely. ;D

Sesman:
Just reread the original post…pretty sure the pistons will come though the cases? It might even be easier to reinsert them given the generous barrel chamfer.

K2-K6:
Possibly we are mixing visualization here.

If you flip the engine upside down and remove the bottom case (leaving the top end still assembled) then you'd either have to withdraw the pistons with the rods,  which may not be possible, or detach the rods from the crankshaft to lift it out and leave the pistons still in the bores.

Or are you saying that you'd remove the top end first,  in which case by undoing the main studs you've effectively separated the head and base gaskets.

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