TBarCYa
Senior Chief Petty Officer
- Joined
- Apr 13, 2005
- Messages
- 781
The first time I decarbed my engine it ran pretty good for quite some time but towards the end of the day started acting up again. I switched from 50:1 premix to 40:1 and decarbed again and today the engine ran great for about 2 hours before starting to run poorly again but still only above 3/4 throttle.<br /><br />It was an improvement over last time because the plugs were not completely covered in carbon but aparently just enough to cause a misfire. Also, only the top two cylinders are loading up with carbon and the bottom two seem to be fine which leads me to believe it's a carburetor problem but both carbs are setup to be identical.<br /><br />My questions are, other than bad fuel or fuel/oil mix, what could cause a cylinder to load up with carbon?? Both carbs are getting the same mix so they should all have carbon, right?? Also, the same top two cylinders smoked worse and caused the engine rpms to drop while the bottom two did not while I was spraying Seafoam Deep Creep into the carb throats. I'm not sure what this means or if it is even significant, but it seems odd that it's the same two cylinders that are giving me trouble now.<br /><br />Any help or suggestions would be greatly appreciated. I feel like I'm close to getting this thing working properly and I'd really like to get it done before I have to put it away for the winter.<br /><br />Thanks.
