I came across something called ICBM lining, mentioned on a Yahoo auction listing https://www.ibg.co.jp/product/index.html

Looks like someone has a process to line cylinders with an aluminium insert

It would be interesting to find out if anyone has any experience of this

https://japan.webike.net/moto_news/webike-original/how-to/20210108-icbm-the-ultimate-weapon-for-prolonging-the-life-of-2-stroke-engines-is-a-wise-choice-for-car-enthusiasts/
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