| Diagram | Fig. 13 — FRONT FORK · ref 5 |
| Listed in parts books | Not catalogued by year yet |
THROTTLE NEEDLE
An Amal carburetor throttle needle, part number 5/65, used to meter fuel through the needle jet as the throttle is opened.
This is a throttle needle for an Amal carburetor, part number 5/65. The needle sits inside the carb's throttle slide and works with the needle jet to meter fuel as you roll the throttle open, so it's a direct player in how the bike pulls off idle and through the midrange.
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We don't have much more detail on this one beyond the basic identification. Amal needles come in different profiles to suit different carb bodies and tuning setups, so before you order, check the number stamped on your existing needle or confirm against your carb's specification against what your parts book calls for.
If you're rebuilding a slide or chasing a flat spot in the throttle response, the needle is one of the usual suspects worth checking alongside the needle jet and slide condition.
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