Screamin Banshee92

I have 92 banshee it came with a K & N air filter and Dg pipes front to back. Problem is I dont know if it was ever jetted or what jets to put in? It has some dead spots or bogs if you will at certain areas of excelerating. Put new plugs in today and it was popping until it warmed up an just seems like it is missing something? any help please.. Throttle response just seem liek it could be better

I have a similar problem. However I haven't looked into it yet. Replaced plugs and cleaned air filter. I was thinking it was something with the electrical system. Mine seems to cut out on the right or throttle side of the atv. If I thrash it it runs ok but at low speeds or quick throttle hits it bogs the takes of. Almost as if a plug was fouled.