I was gifted an nsr250 cylinder with damage from worn power valves and flakey plating - thanks Rob. Initially intended to try and replicate the port and duct layout in a mudbug cylinder, but then on a wet weekend I got a bit loose with the disc grinder and Tig welder.
Pictures tell most of the story....
Water jacket has been removed and fins will be welded on instead.... Might work , might not but it beats watching shite TV.
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