This is a bit OT, but falls well within our usual engineering parameters.
I've stripped the RH front brake calliper off my 1983 Honda VF750. It has been standing for ten years & the twin pistons are well and truly stuck. They are, of course, hard chrome plated & I cannot grip them in pliers too hard. They live in an aluminium calliper body.
I've tried pouring boiling water over the calliper & filling the hollow pistons with cold water without any effect.
Because of the nature of the rubber seals on the piston, I'm loath to use my normal tipple of PlusGas in case it makes them swell up even more.
Any ideas, gentlemen?
AND - does anyone have a working RH calliper for above they can sell me? ;o))
Regards,
Kim Siddorn,