Zenith 24-T2 / bad threads

jacka

Member
TED20 (-52). Original carburetor ad there is very bad (damaged) threads in carburetor side fitting (fuel line and main nozzle). Could someone tell me, what is the right helicoil size what I have to use when I fix these fitting. I have original parts in main nozzle and I have also original fuel line... I think fuel line fitting is 1/2 UNF?

Help me.
 
I just run a tap down the main jet housing and it looked like a UNF thread. The needle seems to screw in OK.
As Harry seemed to be ahead of his time I'm sure he would have gone the American way and used UN threads. ]
 

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