Search:

Thanks - Sounds like a good start. Will do that today .

Thanks!
That was my first thought as well. But the almost no coolant use ... ?
Would even a teeny weeny bit of coolant in the one pot cause that even though it runs smooth ?

Hi All

TB42 carby on dual fuel.
The spark plugs are less than 5000 k / 6 months old.
But the number 3 cylinder plug is sort of corroding away - or covered in some kind of rust like coating -...