hey guys just all you yfz riders i know how you feel if your thumb is getting sore here's the fix for ya get a honda thumb throttle as well on ebay this guy selling the ligher springs for your carb its called the return spring in my page i have a pic of it check it out you can tell the difference the stock on is on the left and new one for ebay is on the right... i ran that and it helps 200%


here's the guy who i bought it from


LIGHT CARB MOD