shiny deposit on cylinder and head need help

[noki024]

hi i have a yamaha blaster just rebuild with what semes to be a not authentic prox piston sadly
So after breaking it in and riding it theres now alot of piston gap the cylinder is still smooth and all that but compression has dropped alot
So i tore it open and i see alot of carbon deposit on the head and some in the cylinder walls that i can wipe away
And the head its supper shiny
I belive i ran 32:1 because my whole family has banshees and they like running alittle more oil
My plug was coverd in caebon deposit too


Files r too big so here

https://drive.google.com/file/d/1ORh1BxcK1NvtUbz3hWJdww-EkEmrVIl5/view?usp=drivesdk

https://drive.google.com/file/d/1OTDCO6Tp3GG1czheOFH740f42ybSjXzB/view?usp=drivesdk

https://drive.google.com/file/d/1OhQFJzbzpXSiOlMbXK_b-zy32pZ96BFb/view?usp=drivesdk