Yamaha YFM350 Raptor/Warrior ('87-Present)
I have a 2001 warrior that is totally stock except for a full FMF exhaust (headpipe and muffler). I think the guy i bought it from had it jetted wrong. So what size jet and needle placement?
It coughs through the airbox at idle and low speeds but runs great when you romp on it. It isnt the...