what is the valve stem mod, and it only goes bluh when it is at idle and i decide to instantly punch the throttle example putt putt putt putt putt me going slam on the accelerator, quad goes bluh lol
http://www.rockymountainatvmc.com/p/43/81/165/723/624/243/AMS-Sidewinder-ATV-Tire
i use these on my warrior and i go everywhere i want to with them, i found that the straight edge paddles are only good for taking off, where the angled one's like this paddle are way better for hillclimbing...
i have a fuel filter the only thing i notice is that when u start it after sitting for like a day it will smoke a little just rev it to redline in neutral and it goes away