thanks dude,
think i'll have a go at the foam first and see how that works, talking about a rich mixture,
i was wondering why my bike was so rich now it makes sense the old foam that was in there was about 5cm thick, no wonder, and i just noticed as well that the one carb wasn't properly inserted into the rubber housing business,
could that also be why the one side was richer than the other?
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Just Bought MC16.