Suzuki Master Cylinder circlip 70s

[A100man]

Looks like I need to refurb my Gt250 master cylinder . If you know the 70s (Tokico?) master cylinder it has an irritating circlip set deep inside the lever side cavity that also corrodes making it a bastard to get out - even if you have the right pliers.

Tips on removal gratefully received otherwise I may bludgeon it out by knocking the piston through form the outlet end, with a punch.
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Now: A100, GT250A, XJ598, FZ750

Then: Fizz, RS200, KL250, XJ550, Laverda Alpina, XJ600, FZS600

[Riejufixing]

[stinkwheel]

Doing a full refurb with new piston?

Hot (near boiling) saturated alum solution will dissolve steel but not aluminium.
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.

[A100man]

[Riejufixing]

You can probably get better leverage with a pointy thing through one of the holes especially if you've a pellet or strip of some soft stuff to put in the hole as a fulcrum (small strip of aluminium sheetbent into a circlip shape and pushed into the bore?) than you can with pliers, to get the thing started. "Good luck have fun" whatever you do

[A100man]

'tis done .

wasn't too bad bad after I got my +2 specs on and had the darn thing out in bright sunlight. Thanks for all the tips.

Pointy thing was indeed needed (bradawl) to 'drill' through the crap/rust in the circlip hole then lever - also some cheap picks I remembered i had.

Cheers
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Now: A100, GT250A, XJ598, FZ750

Then: Fizz, RS200, KL250, XJ550, Laverda Alpina, XJ600, FZS600

[Sister Sledge]

Might be a good idea to properly protect that circlip somehow for next time it needs removing? I'm thinking a simple smear with the correct lube or something?
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CCM 404 DS

[stinkwheel]