grizz 600 backfire!

[bearriver]

I have a buddy with a 2000 grizzly 600 that is backfiring on him. He said that it floods out on him once in a while and when he changed oil, he could smell a little gas. ?needles, sticky float, or just a carb. adjustment needed? If the carb. needs to be adjusted, how many turns out should the needle screw be to start out with?

[pikeprowler]

If theres gas gettin into the oil, and it's flodding on him, your float in the carb is sticking a little bit. I have the same problem with my 2004 Sportsman 500 with gas getting into the oil, but mine doesnt flood out when I'm riding. I asked my dealer and he said when your done riding for the day turn the gas valve off and let the fourwheeler idle about 45 seconds. This burns most of the gas out of the line and carb. As for the backfire almost every atv will back fire at some point, mine does when I go fast in reverse and let off the throttle. Hope this helps your buddy.

[Fisher Dave]

Sounds like time to clean out the carb and make any adjustments.. valves might need adjustment too.