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  1. S

    Mountfield SP470 over-revving after service

    Hi All Reseated the Governor springs and the Carburettor o-ring seating but to no avail! Still over-revving massively.
  2. S

    Mountfield SP470 over-revving after service

    Many thanks for these very constructive suggestions. I will put this into action and report back. Very much appreciated!
  3. S

    Mountfield SP470 over-revving after service

    Hi All I have a Mountfield SP470 and have just serviced it with new spark plug/diaphram/gasket/air filter. I took the carburettor off and cleaned it completely. New fresh fuel was also added. I also replaced the two Governor Springs (see attached pic). Upon starting it up (primarily to warm up...
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