In that case I dont know anyone who does MC28 body work in the UK, Race products used to do MC21's but I dont think they ever did '28's (I could be wrong though, where did you get your '28 stuff from Maxim?).
I'm pretty sure Tyga do a full stock body kit for the '28 or you could buy a set off ebay from HK.
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If I have to take the carbs off once more...