Tube C, Pb

The intake tube needs to be in good condition with no damage, especially on the inner face where gas flow is so vital for top performance. They degrade with temperature extremes and vibration over time - renewal is often the only way to ensure that minimal amounts of heat and vibration reach the carburettor.
A related component:

17172MN5000

We supply all the critical replacement parts to bring your carburettors back to full performance.

You can find all the carburettor service items in the products gallery and our online schematic for your model.