so...i think the pics will speak for themselves. please help guys, i've owned a few express bikes but haven't had this problem. besides the piston and jug issue (which i do need suggestions), i'm wondering if i can clean the crankcase out and it will be okay? you guys see the rust in there? the thing is, the crank spins great. it's kinda of amazing.
also i don't have a lot of extra funds. but i do have some sea foam!
thanks in advance guys!