Fantastic, thanks Bert. I saw in another thread that nearly all filters were the same, but I was unsure if the thread was metric, or imperial for Loncin engines and didn't really want empty the oil to measure the thread.
I'm in the process of changing a blown B&S 18HP motor out of my Yard Master with the Loncin.
The Loncin went straight in. No modifications required. Even the wiring harness was compatible.
I'm about to run the engine in and will require a replacement oil filter very soon. In Australia, parts...