Hey guys, this is the first time ive attempted to tackle a complete banshee build. Not totally sure what i want to do yet. Im leaning towards a stock stroke/bore cheetah cub. Im sure i will have a ton of questions that the clymer will not cover. Already have CPI s/b inframes, 34mm PJ's, K&N clamp on, Pro Design Cool Head, V-Force 3. Bike had 18cc domes in it, has been having pump gas (91 octane through it) since i was told it has always been ran on pump gas. Didnt notice any pinging, but the tops of the pistons are blackened and rough. Altitude is at around 3100 ft. I will not be running race gas through the bike so I think im gonna go with 20cc domes. (custom cut for cub heads most likely) Heres a few pics of what ive gotten done so far today. Now im gonna have to look into the clymers before I go any farther. Are the top of the pistons supposed to be that black? And they are textured rough. Is this normal?