A complete repair kit for all 600/900 series 4 stroke Mk1 Concentric Carburettors including StayUp float needle valve gaskets fuel filter needle and clip pilot air screw.

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The new adjustable height StayUp float is resistant to modern ethanol based fuels and has a military spec closed cell construction making it puncture proof. The ability to adjust the float arm allows for quick and easy minor alterations to float levels where required. The material specified was used by the S.U Carburettor Company for military installations in the 1980s where a guaranteed fail safe operation was critical. Due to the close link between S.U and AMAL today (both owned by Burlen Fuel Systems Ltd) the secret behind the material has been released and upgraded for the manufacture of this float making it virtually unsinkable.