| Listed in parts books | Not catalogued by year yet |
MAIN JET 180 PREMONOBLOC
A size 180 main jet for the Amal Premonoblic carburetor.
This is a size 180 main jet for the Amal Premonoblic carburetor. The main jet controls fuel delivery at higher throttle openings, so the number stamped on it is the calibration Amal used to size that flow for a given engine and setup.
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Our records on this one are thin — it shows up under the number 4/042-180 with a plain listing for the Premonoblic series, and that is about all we can confirm from here. If you are chasing a specific jet size for your carb, have your current jet or the carb body in hand so we can talk through what you actually need.
Call the shop if you want to double check this is the right jet before you order — with jets it is easy to end up one size off from what your particular carb wants.
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