| Listed in parts books | Not catalogued by year yet |
NEEDLE JET .109 MONOBLOC
A .109 needle jet for the Amal Monobloc carburetor.
This is a needle jet for an Amal Monobloc carburetor, sized .109. The needle jet is the fixed brass-style jet that the tapered throttle needle rides inside, and together the two control fuel metering through the midrange of the throttle opening. Amal cataloged these jets in different sizes to fine-tune the mixture for a given bore and application, and .109 is the size stamped on this one.
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We don't have much more on file for this particular part number beyond what's on the jet itself, so if you're matching a rebuild or a jetting change, check the number against what's currently in your carb before ordering.
Give us a call if you want to talk through which needle jet size your Monobloc actually needs — swapping jet sizes is a common way to correct a mixture that's off, but you want to confirm what you're starting from first.
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