Is there any correlation to the size of the pilot jet and how much fuel gets through the starting circuit/choke?If a bigger pilot was installed would it also allow more fuel through the choke circuit?
Last edited:
YAMMIEGOD3:16
Active member
yes. it also affects idle, and 1/4 throttle. 3:16x (yammie tony)
Thanks Tony. I knew it governed the 1/4 throttle part of the carb circuit but wasn't aware that it also affected idle and the choke as well.
Ah, hang on a second. The enrichment circuit (for starting) has it's own pick up tube in the float bowl, controlled by a cable (with a rack system for multiple carbs) and a needle and seat plunger. The pilot circuit is on it's own with a separate path and jet.