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Old 08-06-21, 07:33 PM
David C David C is offline
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Join Date: Apr 2021
Posts: 108
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I have just been chatting to another long time 400 owner who had an 85a engined 400 back in the sixties. He found the SUs would perform beautifully for a month or two but then go out of tune and he was forever going back to the factory. He then bought another 400 with Solex carbs and had several tens of thousands of miles without having to do more than clean them every year or so.

Does anyone else have experience to help me decide the best way forward?
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