Mine seems quite flexible too.
Looking at the pic below, if I hold the thread on the right steady in one hand, I can tilt the other thread off axis very easily with the other hand. Should they be
that flexible? The engine is going to put a lot more force on it than I can.
Here's what the insides look like -
https://the75andztclub.co.uk/forum/s...d.php?t=257034