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CB750 Barn find project - First Timer
Pops400:
--- Quote from: mike the bike on December 30, 2016, 07:57:21 PM ---How do people manage to ride with those skinny seats, do they put a wodge of foam down their trousers?
--- End quote ---
;D
Big knackers tucked under.
Pops400:
Please note, the above tip requires balls of steel.
Great thread, BTW. ;)
Underdog1:
Jut had a little bit of time this morning to finish cleaning up the old sealant off the crank case mating surfaces with that lactate gasket remover stuff i bought.
Takes sealant\old gasket off well but it does affect paint, i knew this so i wiped any overspray off with some thinners but stupidly i didn't realise the inside of the crank cases were painted, i thought they were just discoloured with a gold tinge from 40 years of oil.. some of the overspray has stripped some paint:
Ive wiped down the inside with thinners but the more that i scratch at the paint thats lifting off the more is coming off.. Im not too worried about having bare metal inside the cases as its going to be coated in oil anyway but should i be worried about more paint flaking off? Anything you guys can recommend?
On the plus side i now have a paint stripper that actually works rather than the eco friendly stuff thats sold nowadays ;D
Underdog1:
Hmm this looks especially worrying
K2-K6:
They often used paint of various types inside castings to avoid any porosity in the metal allowing the oil to pass through to the outside. Not quite sure of the reasons it's used in these engines but someone else may be able to add more to it.
They were at the time trying to make them as leak free as possible in comparison particularly to British made engines. I guess you'd get too much drop out from production runs to even test them all, so easier to use an oil resilient paint in coating the inside to reach the consistent standard they were aiming for.
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