I’ve recently been trying to find some interesting Korean Pilot examples and I’ve finally gotten my hands on some. Even being here in South Korea, they are quite rare to come by considering the company stopped producing them in the early 2000s.
For storage, not in tension. Have heard anecdotal accounts out of Japan of the constant tension eventually causing threadwear/looseness or pencil breaking in combination with plastic oxidation making it more brittle.
In all honesty I don’t 100% buy it because I have a few more of these in less perfect condition in some drawers and cases elsewhere that I don’t keep unscrewed and they’ve been perfectly fine for so many years until now… but better safe than sorry for the stickered or best condition pieces.
This is a 0.4mm S15 that I didn’t bother changing the clutch for, only the cone; theoretically it’s a non-issue, and the mod likely isn’t worth the clutch-change hassle.