| Diagram | Fig. 5 — CARBURETTOR — AMAL CONCENTRIC — SERIES 1900 · ref 17 |
| Subsystem | fuel |
| Listed in parts books | 1985 |
Main jet (270)
A 270 main jet for the Amal Concentric carburetor, part of the main fuel-metering circuit.
This is a main jet for the Amal Concentric carburetor, size 270. The main jet is what meters fuel through the carb's main circuit once the throttle's opened up past the pilot/idle range, so it's one of the parts that determines how rich or lean the bike runs at cruising and higher throttle openings.
Read more
Our catalog record shows this exact jet, A376/100/270, tied to the Amal Concentric series carburetor listings. It's a small, cheap-to-swap piece of brass jetting hardware that most Amal Concentric owners end up experimenting with at some point to dial in the mixture.
We don't have more detail tying this specific listing to a particular bike model or year beyond the one catalog entry we've got. If you're not sure this is the right jet size for your carb and your setup, give us a call and we'll help sort it out before you order.
We've never carried this one. Tell us what you're after and we'll go looking — you'll get a price and photos before you commit to anything.
Sorry if we got something wrong here. If you think this information isn't correct, .