Home Forum Ask A Member Need the diagrams for a 4378 Zephyr Re: Need the diagrams for a 4378 Zephyr

#27711
ray-schaber
Participant

    I think you need that tube to supply idle air when the carburetor is set to slow.
    You can probably get a new piece of tubing at a hobby shop. Take the old piece with you to the store.
    Ray