| Listed in parts books | Not catalogued by year yet |
STAYUP FLOAT MK1 MK2 CONCENTRIC
A stayup float for Amal Concentric Mk1 and Mk2 carburetors, superseded by 622/069A.
RKC/550 is a stayup float for the Amal Concentric carburetor, covering the Mk1 and Mk2 versions. The float rides inside the float bowl and works with the needle and seat to hold fuel level steady in the bowl, which keeps the mixture consistent as the bike runs.
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Our catalog record on this one is brief. It's listed as being superseded by a later Amal number, 622/069A, so if you're chasing this part for a Concentric carb and RKC/550 isn't turning up, that's the number to look for instead.
Call the shop if you want to confirm which Concentric carb body this float suits before you order.
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