clutch pushrod seal

Hello everyone. I got this bike a couple of weeks ago and I'm trying to get it up and running. I have encountered a weird oil leak tho. It looks to be the clutch rod seal. And everytime I put it in first, it dies. I opened up the sprocket cover and noticed the clutch rod leaking, and when I put...

New seal? That didn't help. Silicone gasket maker? It held for a couple days. Another new seal? Popped right out as soon as the engine started. Same new seal, this time with a shitload of JB Weld! No, popped out as soon as the oil warmed up. What am I doing wrong here? I'm thinking about...