Help with KZ1000 LTD

Hi guys

i love this site! help me a lot understand about the KZ's. I have 77' KZ1000 LTD not running for $ 300. after work it here and there i make it run. now the problem when i accellerate its hesitate like something hold it to release the power bbrrbrrbbr! like that sound! i don't know what i have to check! i have free flow air filter and sidewinder vance hines exhaust, Please advice what should i do next to have the bike runnin' properly! thank guys!

Have you had the carbs off yet? It sounds like your big jets are too small.

Get a manual.

Also you could check the timing advance unit to see if it is operating.