clutch adjustment cables lever

i have a problem with my clutch slipping when trying to start my bike. It's a relatively new engine and probably shouldn't be doing what it's doing. The clutch does not slip when the bike is running. However when I let go of the clutch lever it will squeak and not grab and turn over the engine...

Hi, I'm not very familiar with the proper lingo here, so my question could have easily been asked many times before. I've learned how to "adjust" the clutch of my 80cc china motor if needed but don't fully understand what the adjustment does. Right now what I'd like to fix is that I attached...