The engine revs fine, the carb is getting plenty of fuel, it just doesn'r want to run when I let out the clutch ! It starts jerking and bogging down. I checked the filters there OK. Any ideas, what I'm looking at ? This seems to have started, when I loaded the basket on tthe back with fishing gear for a sprint to the beach, Maybe thirty pounds, I adjusted the clutch about that time, it may have been to tight, I just loosened it a bit, still no change. Could this be a clutch going bad, I'm a little mean to it. Or could it have some grease on it, I noticed the cover was a little greasy around the edges, however last time I grease those gears, I thought I only dabbed it.