Hi there I have recently reg an NSR 250 imported from Japan using a v55/5 and if you look at the last requirement of the list you need a current cert of insurance, I am certain you cant tax any vehicle in the UK without valid insurance, and you don't need a title doc or foreign log book if the motorcycle is under 250 cc, The DVLA sent my application back claiming I needed the title doc from Japan but my friend who has reg hundreds of 249 cc bikes from Japan said I do not he told me to I put a letter in explaining this as they had done this to him on several occasions and they sent my V5c straight back without an explanation, that's the DVLA for you,not here to stir the **it ,please check for yourself,
all the best,
jonmac
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John