yehh still has standard cam yehh its idiling lumpy because the jets are to big i know that but im unsure of what jets to get..yeh im unsure about the bridge actually..naa not out of the carby coming out of the exhaust only when you are coming back down through the gears and its bad backfire to and real rumbly, its also hard to start and almost undriveable in first gear it will be good for a few seconds then just bog down then you have put the clutch it give it a rev then go again