You could check out what West Coast Imports have available. https://m.ebay.co.uk/itm/HONDA-NSR250-MC18-RESTORATION-PROJECT-1989/192961992048?_mwBanner=1&_rdt=1
It depends on how much work you want to do. The prices range from £3k - £6.5k. Even top end price bikes aren't guaranteed not to break. Phil has a very nice seed MC15 5K, that needed a rebuild not long after buying
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