3rd gear boggin

[jamesrair]

every time i go ride my quad runs great for the first 3laps then 3rd gear stars boggin coming out of the corners. but the thing i cant figure out is that 4th gear is fine u can tell its to high a gear but it still don't bog it's only 3rd gear. thougt it was my carb but was told that that's not possible. PLEASE HELP ME!!!

[ridred4eva01]

does it not feel strong enough or is the motor not sounding right to much weight or to big tires try playing with a couple of teeth down on the front sprocket my friends got one but it dont do that