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Genuine Amal Main Jet(s) – Triumph Norton BSA All Sizes PN# 376/100

$11.88$24.32

The main jet draws fuel from the float bowl through the needle jet and into the carburetor’s mixing chamber.

Genuine Amal main jets use different sized orifices to maintain correct fuel metering at open throttle positions. The larger number of main jet indicates a larger sized orifice for more fuel flow.

The main jet works in concert with the throttle slide cutaway, needle jet and needle to optimize the fuel charge into the cylinder head from the carburetor.

The main jet is threaded into a jet block. Larger orifice sizes allow a greater volume of fuel flow, resulting in a richer mixture.

Use the drop-down menu to select size and quantity.

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