Recent content by Port Ludlow

1985 E26 Yanmar question - follow-up Thanks for everyone's feedback and suggestions. I have since had a Yanmar mechanic adjust the rack and the prop re-pitched from 11x11 to 11x9. Without much of an expense, the adjustment has reduced the unburnt fuel at startup and the re-pitched prop has...

Hi folks, I have always found answers to issues in this forum and currently have questions about my small 1GM 8hp Yanmar. When cold there is a few minutes of unburnt fuel(black) in the exhaust. The engine will run all day at 2500 rpms at about 4 knots. It appears to be over propped as the...