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...

I just made some mods to my 2001 raptor 660 engine and I need some advice with jetting. I found a few jetting kits but don't know wich one could fit best. My engine: Wiseco high compression +20mm bore Hot Cam stage 2 cam with springs and retainers Hot Cam kit for stage 2 Ported head with stock...

I have a 660 I am working on that had the gas left in it all winter. The air screws are frozen solid in the carbs and will not turn at all. I have soaked them in WD40, and I will be trying PB Blaster with heat tonight. I was also thinking about boiling the carbs to try and get them loose. Any...