raptor 660 problems

Hello i have a raptor 660 it’s my first one. When i got it it wasn’t starting and the guy i got it from gave me a rectifier and ignition coil and stator with the bike but said the timing was off. I adjusted the timing and adjusted the valves made sure they were in spec and it still wasn’t...

Hi i am new to this forum and am lookin for help i have a 01 raptor 660 with a 726 big bore a raceing cam an edelbrock raceing arb and a bunch of other upgrades... Anyways the quad idles fine and for the most part rides fine howver when i really pin it it will bog and hesitate and then get some...